SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSLEXUS2010RX 450H 3.5 BREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLELECTRONICALLY CONTROLLED BRAKE (DIAGNOSTICS - INTRODUCTION)ELECTRONICALLY CONTROLLED BRAKE SYSTEMDIAGNOSTIC TROUBLE CODE CHART (TO 08/2009)DIAGNOSTIC TROUBLE CODE CHART
2010 Lexus RX 450h 3.5 B

Diagnostic Trouble Code Chart

2010 Lexus RX 450h 3.5 BSECTION Diagnostic Trouble Code Chart
NOTE:

When replacing the skid control ECU, sensor, etc., make sure that the power switch is turned off, the stop light switch is off, and 2 minutes have elapsed since the driver's door was closed.

HINT: 

  • If no abnormality is found when inspecting parts, inspect the skid control ECU and ground points for poor connections.
  • If a trouble code is displayed during the DTC check, check the circuit indicated by the DTC. For details of each code, refer to the appropriate service information for the respective "DTC Code" in the DTC chart.
  • When 2 or more DTCs are detected, perform circuit inspections one by one until the problem is identified.
  • Inspect the fuses and relays before inspecting the trouble areas as shown in the table below.
ABS DTC

DTC Code Detection Item INF Code Trouble Area See
42 Electronically Controlled Brake System Malfunction - Electronically controlled brake system Refer to DTC 42: Electronically Controlled Brake System Malfunction; DTC 45: Electronically Controlled Brake System Malfunction
C0200/31 Front Speed Sensor RH Circuit 251
252
253
254
255
262		 1. Front speed sensor RH
2. Speed sensor circuit
3. Sensor installation
4. Speed sensor rotor
5. Skid control ECU		 Refer to DTC C0200/31: Front Speed Sensor RH Circuit; DTC C0205/32: Front Speed Sensor LH Circuit; DTC C1271/71: Low Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1272/72: Low Output Signal of Front Speed Sensor LH (Test Mode DTC)
C0205/32 Front Speed Sensor LH Circuit 264
265
266
267
268
275		 1. Front speed sensor LH
2. Speed sensor circuit
3. Sensor installation
4. Speed sensor rotor
5. Skid control ECU		 Refer to DTC C0200/31: Front Speed Sensor RH Circuit; DTC C0205/32: Front Speed Sensor LH Circuit; DTC C1271/71: Low Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1272/72: Low Output Signal of Front Speed Sensor LH (Test Mode DTC)
C0210/33 Rear Speed Sensor RH Circuit 277
278
279
280
281
288		 1. Rear speed sensor RH
2. Speed sensor circuit
3. Sensor installation
4. Speed sensor rotor
5. Skid control ECU		 Refer to DTC C0210/33: Rear Speed Sensor RH Circuit; DTC C0215/34: Rear Speed Sensor LH Circuit; DTC C1273/73: Low Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1274/74: Low Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C0215/34 Rear Speed Sensor LH Circuit 290
291
292
293
294
301		 1. Rear speed sensor LH
2. Speed sensor circuit
3. Sensor installation
4. Speed sensor rotor
5. Skid control ECU		 Refer to DTC C0210/33: Rear Speed Sensor RH Circuit; DTC C0215/34: Rear Speed Sensor LH Circuit; DTC C1273/73: Low Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1274/74: Low Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1235/35 Foreign Object is Attached on Tip of Front Speed Sensor RH 302 1. Front speed sensor RH
2. Speed sensor circuit
3. Sensor installation
4. Speed sensor rotor
5. Skid control ECU		 Refer to DTC C1235/35: Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36: Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1238/38: Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39: Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1275/75: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1277/77: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1236/36 Foreign Object is Attached on Tip of Front Speed Sensor LH 303 1. Front speed sensor LH
2. Speed sensor circuit
3. Sensor installation
4. Speed sensor rotor
5. Skid control ECU		 Refer to DTC C1235/35: Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36: Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1238/38: Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39: Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1275/75: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1277/77: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1238/38 Foreign Object is Attached on Tip of Rear Speed Sensor RH 304 1. Rear speed sensor RH
2. Speed sensor circuit
3. Sensor installation
4. Speed sensor rotor
5. Skid control ECU		 Refer to DTC C1235/35: Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36: Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1238/38: Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39: Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1275/75: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1277/77: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1239/39 Foreign Object is Attached on Tip of Rear Speed Sensor LH 305 1. Rear speed sensor LH
2. Speed sensor circuit
3. Sensor installation
4. Speed sensor rotor
5. Skid control ECU		 Refer to DTC C1235/35: Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36: Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1238/38: Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39: Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1275/75: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1277/77: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1240/95 Yaw Rate Sensor Discrimination 321 1. Yaw rate and acceleration sensor
2. Skid control ECU		 Refer to DTC C1240/95: Yaw Rate Sensor Discrimination
C1243/43 Acceleration Sensor Stuck Malfunction 311
312
317		 1. Yaw rate and acceleration sensor
2. Skid control ECU		 Refer to DTC C0371/71: Yaw Rate Sensor (Test Mode DTC); DTC C1234/34: Yaw Rate Sensor Malfunction; DTC C1243/43: Acceleration Sensor Stuck Malfunction; DTC C1244/44: Open or Short in Acceleration Sensor Circuit; DTC C1245/45: Acceleration Sensor Output Malfunction; DTC C1279/79: Acceleration Sensor Output Voltage Malfunction (Test Mode DTC); DTC C1381/97: Acceleration Sensor Power Supply Voltage Malfunction
C1244/44 Open or Short in Acceleration Sensor Circuit 314 1. Zero point calibration undone
2. Yaw rate and acceleration sensor
3. Sensor installation
4. Skid control ECU		 Refer to DTC C0371/71: Yaw Rate Sensor (Test Mode DTC); DTC C1234/34: Yaw Rate Sensor Malfunction; DTC C1243/43: Acceleration Sensor Stuck Malfunction; DTC C1244/44: Open or Short in Acceleration Sensor Circuit; DTC C1245/45: Acceleration Sensor Output Malfunction; DTC C1279/79: Acceleration Sensor Output Voltage Malfunction (Test Mode DTC); DTC C1381/97: Acceleration Sensor Power Supply Voltage Malfunction
C1245/45 Acceleration Sensor Output Malfunction 313 Yaw rate and acceleration sensor Refer to DTC C0371/71: Yaw Rate Sensor (Test Mode DTC); DTC C1234/34: Yaw Rate Sensor Malfunction; DTC C1243/43: Acceleration Sensor Stuck Malfunction; DTC C1244/44: Open or Short in Acceleration Sensor Circuit; DTC C1245/45: Acceleration Sensor Output Malfunction; DTC C1279/79: Acceleration Sensor Output Voltage Malfunction (Test Mode DTC); DTC C1381/97: Acceleration Sensor Power Supply Voltage Malfunction
C1336/98 Zero Point Calibration of Acceleration Sensor Undone 318 1. Skid control ECU
2. Yaw rate and acceleration sensor
3. Zero point calibration undone		 Refer to DTC C1210/36: Zero Point Calibration of Yaw Rate Sensor Undone; DTC C1336/98: Zero Point Calibration of Acceleration Sensor Undone
C1381/97 Acceleration Sensor Power Supply Voltage Malfunction 315 1. Yaw rate and acceleration sensor
2. Yaw rate and acceleration sensor power source circuit
3. Skid control ECU		 Refer to DTC C0371/71: Yaw Rate Sensor (Test Mode DTC); DTC C1234/34: Yaw Rate Sensor Malfunction; DTC C1243/43: Acceleration Sensor Stuck Malfunction; DTC C1244/44: Open or Short in Acceleration Sensor Circuit; DTC C1245/45: Acceleration Sensor Output Malfunction; DTC C1279/79: Acceleration Sensor Output Voltage Malfunction (Test Mode DTC); DTC C1381/97: Acceleration Sensor Power Supply Voltage Malfunction
C1442/44 Invalid Data Received from Acceleration Sensor 322 Yaw rate and acceleration sensor Refer to DTC C1442/44: Invalid Data Received from Acceleration Sensor; DTC C1443/34: Invalid Data Received from Yaw Rate Sensor
U0124/95 Lost Communication with Lateral Acceleration Sensor Module 319
320		 1. CAN communication system
2. Yaw rate and acceleration sensor
3. Skid control ECU		 Refer to DTC U0073/94: Control Module Communication Bus OFF; DTC U0123/62: Lost Communication with Yaw Rate Sensor Module; DTC U0124/95: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/63: Lost Communication with Steering Angle Sensor Module; DTC U0293/59: Communication Error from HV ECU
VSC DTC

DTC Code Detection Item INF Code Trouble Area See
43 ABS Control System Malfunction - ABS control system Refer to DTC 36: ABS Control System Malfunction; DTC 43: ABS Control System Malfunction
45 Electronically Controlled Brake System Malfunction - Electronically controlled brake system Refer to DTC 42: Electronically Controlled Brake System Malfunction; DTC 45: Electronically Controlled Brake System Malfunction
C1210/36 Zero Point Calibration of Yaw Rate Sensor Undone 336 1. Skid control ECU
2. Yaw rate and acceleration sensor
3. Zero point calibration undone		 Refer to DTC C1210/36: Zero Point Calibration of Yaw Rate Sensor Undone; DTC C1336/98: Zero Point Calibration of Acceleration Sensor Undone
C1231/31 Steering Angle Sensor Circuit Malfunction 341
343		 1. Steering angle sensor
2. Steering angle sensor circuit
3. Steering angle sensor power supply
4. Skid control ECU		 Refer to DTC C1231/31: Steering Angle Sensor Circuit Malfunction
C1234/34 Yaw Rate Sensor Malfunction 333
334
335
337		 Yaw rate and acceleration sensor Refer to DTC C0371/71: Yaw Rate Sensor (Test Mode DTC); DTC C1234/34: Yaw Rate Sensor Malfunction; DTC C1243/43: Acceleration Sensor Stuck Malfunction; DTC C1244/44: Open or Short in Acceleration Sensor Circuit; DTC C1245/45: Acceleration Sensor Output Malfunction; DTC C1279/79: Acceleration Sensor Output Voltage Malfunction (Test Mode DTC); DTC C1381/97: Acceleration Sensor Power Supply Voltage Malfunction
C1290/66 Steering Angle Sensor Zero Point Malfunction 351 1. Yaw rate and acceleration sensor zero point calibration incomplete
2. Poor adjustment of the center position of the steering wheel
3. Poor adjustment of front wheel alignment		 Refer to DTC C1290/66: Steering Angle Sensor Zero Point Malfunction
C1310/51 Malfunction in HV system - Hybrid control system Refer to DTC C1259/58: HV System Regenerative Malfunction; DTC C1310/51: Malfunction in HV system
C1380/64 Stop Light Control Relay Malfunction 391
392		 1. Stop light switch
2. Stop light switch circuit
3. Stop light control relay
4. Stop light control relay circuit
5. Skid control ECU		 Refer to DTC C1380/64: Stop Light Control Relay Malfunction
C1439/66 Steering Angle Sensor Initialization Incomplete 352 1. Steering angle sensor
2. Yaw rate and acceleration sensor
3. Skid control ECU		 Refer to DTC C1439/66: Steering Angle Sensor Initialization Incomplete; DTC C1445/66: Vehicle Driven with Steering Angle Sensor not Initialized
C1440/98 Unusual Bank Angle Detected 630 Yaw rate and acceleration sensor Refer to DTC C1440/98: Unusual Bank Angle Detected
C1443/34 Invalid Data Received from Yaw Rate Sensor 340 Yaw rate and acceleration sensor Refer to DTC C1442/44: Invalid Data Received from Acceleration Sensor; DTC C1443/34: Invalid Data Received from Yaw Rate Sensor
C1445/66 Vehicle Driven with Steering Angle Sensor not Initialized 353 1. Steering angle sensor
2. Yaw rate and acceleration sensor
3. Skid control ECU		 Refer to DTC C1439/66: Steering Angle Sensor Initialization Incomplete; DTC C1445/66: Vehicle Driven with Steering Angle Sensor not Initialized
U0123/62 Lost Communication with Yaw Rate Sensor Module 338
339		 1. CAN communication system
2. Yaw rate and acceleration sensor
3. Skid control ECU		 Refer to DTC U0073/94: Control Module Communication Bus OFF; DTC U0123/62: Lost Communication with Yaw Rate Sensor Module; DTC U0124/95: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/63: Lost Communication with Steering Angle Sensor Module; DTC U0293/59: Communication Error from HV ECU
U0126/63 Lost Communication with Steering Angle Sensor Module 350
601		 1. CAN communication system
2. Steering angle sensor
3. Skid control ECU		 Refer to DTC U0073/94: Control Module Communication Bus OFF; DTC U0123/62: Lost Communication with Yaw Rate Sensor Module; DTC U0124/95: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/63: Lost Communication with Steering Angle Sensor Module; DTC U0293/59: Communication Error from HV ECU
ELECTRONICALLY CONTROLLED BRAKE SYSTEM DTC

DTC Code Detection Item INF Code Trouble Area See
36 ABS Control System Malfunction - ABS control system Refer to DTC 36: ABS Control System Malfunction; DTC 43: ABS Control System Malfunction
C1202/68 Master Reservoir Level Malfunction 511
512		 1. Brake fluid leak
2. Brake fluid level
3. Brake fluid level warning switch
4. Brake fluid level warning switch circuit
5. Skid control ECU		 Refer to DTC C1202/68: Master Reservoir Level Malfunction
C1203/95 ECM Communication Circuit Malfunction - 1. Power management control ECU
2. Main body ECU (Instrument panel junction block)
3. Suspension control ECU
4. Skid control ECU		 Refer to DTC C1203/95: ECM Communication Circuit Malfunction
C1242/42 Open in IG1 / IG2 Power Source Circuit 87
88		 1. Auxiliary battery
2. IG1 power source circuit
3. IG2 power source circuit
4. Hybrid control system (Charging circuit)
5. Skid control ECU		 Refer to DTC C1241/41: Low Battery Positive Voltage; DTC C1242/42: Open in IG1 / IG2 Power Source Circuit
C1246/46 Master Cylinder Pressure Sensor Malfunction 191
192
194
195
197
198
199
200
201
202
205		 1. Brake actuator assembly (Master cylinder pressure sensor)
2. Master cylinder pressure sensor circuit
3. Master cylinder pressure sensor power supply
4. Brake actuator assembly
5. Skid control ECU		 Refer to DTC C1246/46: Master Cylinder Pressure Sensor Malfunction; DTC C1281/81: Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC); DTC C1364/61: Wheel Cylinder Pressure Sensor Malfunction
C1247/47 Stroke Sensor Malfunction 171
172
173
174
175
176
177
179
181		 1. Brake pedal stroke sensor
2. Brake pedal stroke sensor circuit
3. Brake pedal stroke sensor power supply
4. Sensor installation
5. Skid control ECU		 Refer to DTC C1247/47: Stroke Sensor Malfunction; DTC C1346/71: Stroke Sensor Zero Point Learning Malfunction (Test Mode DTC); DTC C1392/48: Stroke Sensor Zero Point Calibration Undone
C1249/49 Open in Stop Light Switch Circuit 520 1. STOP fuse
2. Stop light switch
3. Stop light switch circuit
4. Skid control ECU		 Refer to DTC C1249/49: Open in Stop Light Switch Circuit
C1252/52 Brake Booster Pump Motor on Time Abnormally Long 130 1. ECB* MTR1 relay
2. ECB* MTR1 relay circuit
3. ECB* MTR2 relay
4. ECB* MTR2 relay circuit
5. Brake booster pump (Accumulator)		 Refer to DTC C1252/52: Brake Booster Pump Motor on Time Abnormally Long; DTC C1253/53: Pump Motor Relay Malfunction
C1253/53 Pump Motor Relay Malfunction 134
138
140		 1. Fusible link block (ECB* NO. 1 fuse)
2. Fusible link block (ECB* NO. 2 fuse)
3. ECB* MTR1 relay
4. ECB* MTR2 relay
5. ECB* MTR1 relay circuit
6. ECB* MTR2 relay circuit
7. Brake booster pump (Pump motor)
8. Pump motor circuit		 Refer to DTC C1252/52: Brake Booster Pump Motor on Time Abnormally Long; DTC C1253/53: Pump Motor Relay Malfunction
C1256/57 Accumulator Low Pressure 141
143		 1. Accumulator pressure
2. Brake actuator assembly (Accumulator pressure sensor)
3. Brake booster pump		 Refer to DTC C1256/57: Accumulator Low Pressure
C1259/58 HV System Regenerative Malfunction - Hybrid control system Refer to DTC C1259/58: HV System Regenerative Malfunction; DTC C1310/51: Malfunction in HV system
C1300 Skid Control ECU Malfunction - Skid control ECU Refer to DTC C1300: Skid Control ECU Malfunction
C1311/11 Open in Main Relay 1 Circuit 1 1. ABS main relay 1 circuit
2. Skid control ECU		 Refer to DTC C1311/11: Open in Main Relay 1 Circuit; DTC C1312/12: Short in Main Relay 1 Circuit; DTC C1313/13: Open in Main Relay 2 Circuit; DTC C1314/14: Short in Main Relay 2 Circuit
C1312/12 Short in Main Relay 1 Circuit 3 1. ABS main relay 1 circuit
2. Skid control ECU		 Refer to DTC C1311/11: Open in Main Relay 1 Circuit; DTC C1312/12: Short in Main Relay 1 Circuit; DTC C1313/13: Open in Main Relay 2 Circuit; DTC C1314/14: Short in Main Relay 2 Circuit
C1313/13 Open in Main Relay 2 Circuit 4 1. ABS main relay 2 circuit
2. Skid control ECU		 Refer to DTC C1311/11: Open in Main Relay 1 Circuit; DTC C1312/12: Short in Main Relay 1 Circuit; DTC C1313/13: Open in Main Relay 2 Circuit; DTC C1314/14: Short in Main Relay 2 Circuit
C1314/14 Short in Main Relay 2 Circuit 6 1. ABS main relay 2 circuit
2. Skid control ECU		 Refer to DTC C1311/11: Open in Main Relay 1 Circuit; DTC C1312/12: Short in Main Relay 1 Circuit; DTC C1313/13: Open in Main Relay 2 Circuit; DTC C1314/14: Short in Main Relay 2 Circuit
C1315/31 SMC1 Changeover Solenoid Malfunction 61
62
63
64		 1. Brake actuator assembly (SMC1)
2. SMC1 circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1316/32 SMC2 Changeover Solenoid Malfunction 66
67
68
69		 1. Brake actuator assembly (SMC2)
2. SMC2 circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1319/35 SCSS Changeover Solenoid Malfunction 71
72
73
74		 1. Brake stroke simulator cylinder
2. Brake stroke simulator cylinder circuit
3. Skid control ECU		 Refer to DTC C1319/35: SCSS Changeover Solenoid Malfunction
C1341/62 Front Hydraulic System RH Malfunction 551
552
553
554
555		 1. Fluid leak
2. Disc rotor
3. Brake actuator assembly		 Refer to DTC C1341/62: Front Hydraulic System RH Malfunction; DTC C1342/63: Front Hydraulic System LH Malfunction; DTC C1343/64: Rear Hydraulic System RH Malfunction; DTC C1344/65: Rear Hydraulic System LH Malfunction
C1342/63 Front Hydraulic System LH Malfunction 561
562
563
564
565		 1. Fluid leak
2. Disc rotor
3. Brake actuator assembly		 Refer to DTC C1341/62: Front Hydraulic System RH Malfunction; DTC C1342/63: Front Hydraulic System LH Malfunction; DTC C1343/64: Rear Hydraulic System RH Malfunction; DTC C1344/65: Rear Hydraulic System LH Malfunction
C1343/64 Rear Hydraulic System RH Malfunction 571
572
573
574
575		 1. Fluid leak
2. Disc rotor
3. Brake actuator assembly		 Refer to DTC C1341/62: Front Hydraulic System RH Malfunction; DTC C1342/63: Front Hydraulic System LH Malfunction; DTC C1343/64: Rear Hydraulic System RH Malfunction; DTC C1344/65: Rear Hydraulic System LH Malfunction
C1344/65 Rear Hydraulic System LH Malfunction 581
582
583
584
585		 1. Fluid leak
2. Disc rotor
3. Brake actuator assembly		 Refer to DTC C1341/62: Front Hydraulic System RH Malfunction; DTC C1342/63: Front Hydraulic System LH Malfunction; DTC C1343/64: Rear Hydraulic System RH Malfunction; DTC C1344/65: Rear Hydraulic System LH Malfunction
C1345/66 Linear Solenoid Valve Offset Learning Undone 501
502
503
504		 Initialization and calibration of the linear solenoid valve undone Refer to DTC C1345/66: Linear Solenoid Valve Offset Learning Undone; DTC C1368/67: Linear Solenoid Valve Offset Malfunction
C1352/21 Front Increasing Pressure Solenoid RH Malfunction 11
12
13
14		 1. Brake actuator assembly (FRA)
2. FRA circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1353/23 Front Increasing Pressure Solenoid LH Malfunction 21
22
23
24		 1. Brake actuator assembly (FLA)
2. FLA circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1354/25 Rear Increasing Pressure Solenoid RH Malfunction 31
32
33
34		 1. Brake actuator assembly (RRA)
2. RRA circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1355/27 Rear Increasing Pressure Solenoid LH Malfunction 41
42
43
44		 1. Brake actuator assembly (RLA)
2. RLA circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1356/22 Front Decreasing Pressure Solenoid RH Malfunction 16
17
18
19		 1. Brake actuator assembly (FRR)
2. FRR circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1357/24 Front Decreasing Pressure Solenoid LH Malfunction 26
27
28
29		 1. Brake actuator assembly (FLR)
2. FLR circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1358/26 Rear Decreasing Pressure Solenoid RH Malfunction 36
37
38
39		 1. Brake actuator assembly (RRR)
2. RRR circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1359/28 Rear Decreasing Pressure Solenoid LH Malfunction 46
47
48
49		 1. Brake actuator assembly (RLR)
2. RLR circuit
3. Skid control ECU		 Refer to DTC C1315/31: SMC1 Changeover Solenoid Malfunction; DTC C1316/32: SMC2 Changeover Solenoid Malfunction; DTC C1352/21: Front Increasing Pressure Solenoid RH Malfunction; DTC C1353/23: Front Increasing Pressure Solenoid LH Malfunction; DTC C1354/25: Rear Increasing Pressure Solenoid RH Malfunction; DTC C1355/27: Rear Increasing Pressure Solenoid LH Malfunction; DTC C1356/22: Front Decreasing Pressure Solenoid RH Malfunction; DTC C1357/24: Front Decreasing Pressure Solenoid LH Malfunction; DTC C1358/26: Rear Decreasing Pressure Solenoid RH Malfunction; DTC C1359/28: Rear Decreasing Pressure Solenoid LH Malfunction
C1364/61 Wheel Cylinder Pressure Sensor Malfunction 221
222
224
225
227
228
230
231
233
234
236
237
239
240
242
243		 1. Brake actuator assembly (Wheel cylinder pressure sensor)
2. Wheel cylinder pressure sensor circuit
3. Wheel cylinder pressure sensor power supply
4. Brake actuator assembly
5. Skid control ECU		 Refer to DTC C1246/46: Master Cylinder Pressure Sensor Malfunction; DTC C1281/81: Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC); DTC C1364/61: Wheel Cylinder Pressure Sensor Malfunction
C1365/54 Accumulator Pressure Sensor Malfunction 211
212
214
215		 1. Brake actuator assembly (Accumulator pressure sensor)
2. Accumulator pressure sensor circuit
3. Accumulator pressure sensor power supply
4. Brake actuator assembly
5. Skid control ECU		 Refer to DTC C1365/54: Accumulator Pressure Sensor Malfunction
C1368/67 Linear Solenoid Valve Offset Malfunction 505 1. Initialization and calibration of the linear solenoid valve undone
2. Brake actuator assembly		 Refer to DTC C1345/66: Linear Solenoid Valve Offset Learning Undone; DTC C1368/67: Linear Solenoid Valve Offset Malfunction
C1377/43 Capacitor Malfunction 101
102
103
105
106
108
109
110		 1. CAPACITOR fuse
2. Apply high voltage
3. Brake control power supply
4. Brake control power supply circuit		 Refer to DTC C1377/43: Capacitor Malfunction
C1378/44 Capacitor Communication Malfunction 112 1. Brake control power supply
2. Brake control power supply circuit		 Refer to DTC C1378/44: Capacitor Communication Malfunction
C1391/69 Accumulator Leak Malfunction 591 1. Brake fluid leak
2. Brake booster pump
3. Brake actuator assembly		 Refer to DTC C1391/69: Accumulator Leak Malfunction
C1392/48 Stroke Sensor Zero Point Calibration Undone - 1. Brake pedal stroke sensor zero point calibration incomplete (Initialization and calibration of linear solenoid valve incomplete)
2. Skid control ECU		 Refer to DTC C1247/47: Stroke Sensor Malfunction; DTC C1346/71: Stroke Sensor Zero Point Learning Malfunction (Test Mode DTC); DTC C1392/48: Stroke Sensor Zero Point Calibration Undone
C1438/59 Lost Communication with HV ECU 154
157		 1. CAN communication system (Skid control ECU to power management control ECU)
2. Skid control ECU		 Refer to DTC C1438/59: Lost Communication with HV ECU
U0073/94 Control Module Communication Bus OFF 400
401
402
406
407
411
412		 1. CAN communication system (CAN No. 1 bus)
2. CAN communication system (Power management bus)
3. Yaw rate and acceleration sensor
4. Steering angle sensor
5. Skid control ECU		 Refer to DTC U0073/94: Control Module Communication Bus OFF; DTC U0123/62: Lost Communication with Yaw Rate Sensor Module; DTC U0124/95: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/63: Lost Communication with Steering Angle Sensor Module; DTC U0293/59: Communication Error from HV ECU
U0293/59 Communication Error from HV ECU 152
153		 1. CAN communication system
2. Power management control ECU
3. Skid control ECU		 Refer to DTC U0073/94: Control Module Communication Bus OFF; DTC U0123/62: Lost Communication with Yaw Rate Sensor Module; DTC U0124/95: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/63: Lost Communication with Steering Angle Sensor Module; DTC U0293/59: Communication Error from HV ECU

*: Electronically Controlled Brake System

ABS AND ELECTRONICALLY CONTROLLED BRAKE SYSTEM DTC

DTC Code Detection Item INF Code Trouble Area See
C1241/41 Low Battery Positive Voltage 81*1
82*1
83*1
91*2
92*2
93*2
94*2		 1. Auxiliary battery
2. Brake control power supply
3. Hybrid control system (Charging circuit)		 Refer to DTC C1241/41: Low Battery Positive Voltage; DTC C1242/42: Open in IG1 / IG2 Power Source Circuit

*1: ABS DTC

*2: Electronically Controlled Brake System DTC

AWD DTC

DTC Code Detection Item INF Code Trouble Area See
C1348 Different Diameter Tire Malfunction - 1. Tire and wheel size
2. Tire pressure
3. Speed sensor circuit
4. Skid control ECU		 Refer to DTC C1348: Different Diameter Tire Malfunction
ABS TEST MODE DTC

DTC Code Detection Item INF Code Trouble Area See
C1271/71 Low Output Signal of Front Speed Sensor RH (Test Mode DTC) - 1. Front speed sensor RH
2. Sensor installation
3. Speed sensor rotor		 Refer to DTC C0200/31: Front Speed Sensor RH Circuit; DTC C0205/32: Front Speed Sensor LH Circuit; DTC C1271/71: Low Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1272/72: Low Output Signal of Front Speed Sensor LH (Test Mode DTC)
C1272/72 Low Output Signal of Front Speed Sensor LH (Test Mode DTC) - 1. Front speed sensor LH
2. Sensor installation
3. Speed sensor rotor		 Refer to DTC C0200/31: Front Speed Sensor RH Circuit; DTC C0205/32: Front Speed Sensor LH Circuit; DTC C1271/71: Low Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1272/72: Low Output Signal of Front Speed Sensor LH (Test Mode DTC)
C1273/73 Low Output Signal of Rear Speed Sensor RH (Test Mode DTC) - 1. Rear speed sensor RH
2. Sensor installation
3. Speed sensor rotor		 Refer to DTC C0210/33: Rear Speed Sensor RH Circuit; DTC C0215/34: Rear Speed Sensor LH Circuit; DTC C1273/73: Low Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1274/74: Low Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1274/74 Low Output Signal of Rear Speed Sensor LH (Test Mode DTC) - 1. Rear speed sensor LH
2. Sensor installation
3. Speed sensor rotor		 Refer to DTC C0210/33: Rear Speed Sensor RH Circuit; DTC C0215/34: Rear Speed Sensor LH Circuit; DTC C1273/73: Low Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1274/74: Low Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1275/75 Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC) - 1. Front speed sensor RH
2. Speed sensor rotor		 Refer to DTC C1235/35: Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36: Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1238/38: Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39: Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1275/75: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1277/77: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1276/76 Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC) - 1. Front speed sensor LH
2. Speed sensor rotor		 Refer to DTC C1235/35: Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36: Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1238/38: Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39: Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1275/75: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1277/77: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1277/77 Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC) - 1. Rear speed sensor RH
2. Speed sensor rotor		 Refer to DTC C1235/35: Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36: Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1238/38: Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39: Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1275/75: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1277/77: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1278/78 Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC) - 1. Rear speed sensor LH
2. Speed sensor rotor		 Refer to DTC C1235/35: Foreign Object is Attached on Tip of Front Speed Sensor RH; DTC C1236/36: Foreign Object is Attached on Tip of Front Speed Sensor LH; DTC C1238/38: Foreign Object is Attached on Tip of Rear Speed Sensor RH; DTC C1239/39: Foreign Object is Attached on Tip of Rear Speed Sensor LH; DTC C1275/75: Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC); DTC C1276/76: Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC); DTC C1277/77: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC); DTC C1278/78: Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1279/79 Acceleration Sensor Output Voltage Malfunction (Test Mode DTC) - 1. Sensor installation
2. Yaw rate and acceleration sensor		 Refer to DTC C0371/71: Yaw Rate Sensor (Test Mode DTC); DTC C1234/34: Yaw Rate Sensor Malfunction; DTC C1243/43: Acceleration Sensor Stuck Malfunction; DTC C1244/44: Open or Short in Acceleration Sensor Circuit; DTC C1245/45: Acceleration Sensor Output Malfunction; DTC C1279/79: Acceleration Sensor Output Voltage Malfunction (Test Mode DTC); DTC C1381/97: Acceleration Sensor Power Supply Voltage Malfunction
C1281/81 Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC) - 1. Stop light switch
2. Master cylinder pressure sensor		 Refer to DTC C1246/46: Master Cylinder Pressure Sensor Malfunction; DTC C1281/81: Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC); DTC C1364/61: Wheel Cylinder Pressure Sensor Malfunction
VSC TEST MODE DTC

DTC Code Detection Item INF Code Trouble Area See
C0371/71 Yaw Rate Sensor (Test Mode DTC) - 1. Sensor installation
2. Yaw rate and acceleration sensor		 Refer to DTC C0371/71: Yaw Rate Sensor (Test Mode DTC); DTC C1234/34: Yaw Rate Sensor Malfunction; DTC C1243/43: Acceleration Sensor Stuck Malfunction; DTC C1244/44: Open or Short in Acceleration Sensor Circuit; DTC C1245/45: Acceleration Sensor Output Malfunction; DTC C1279/79: Acceleration Sensor Output Voltage Malfunction (Test Mode DTC); DTC C1381/97: Acceleration Sensor Power Supply Voltage Malfunction
ELECTRONICALLY CONTROLLED BRAKE SYSTEM TEST MODE DTC

DTC Code Detection Item INF Code Trouble Area See
C1346/71 Stroke Sensor Zero Point Learning Malfunction (Test Mode DTC) - 1. Brake pedal stroke sensor
2. Brake pedal stroke sensor circuit		 Refer to DTC C1247/47: Stroke Sensor Malfunction; DTC C1346/71: Stroke Sensor Zero Point Learning Malfunction (Test Mode DTC); DTC C1392/48: Stroke Sensor Zero Point Calibration Undone
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.