2006 Mazda Tribute s, FWDFACTORY OEM SERVICE PROCEDURE

Control System DTCS

CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B106A TPMS Sensor Pressure Range Bit Incorrect State See PINPOINT TEST 4: DTC B106A - PRESSURE SENSOR RANGE BIT INCORRECT STATE .
B106B Tire Pressure Sensor Battery Low See PINPOINT TEST 5: DTC B106B - TIRE PRESSURE SENSOR LOW BATTERY .
B1202 Fuel Sender Circuit Open See PINPOINT TEST 3: INCORRECT FUEL GAUGE INDICATION .
B1204 Fuel Sender Circuit Short to Ground See PINPOINT TEST 3: INCORRECT FUEL GAUGE INDICATION .
B1205 EIC Switch-1 Assembly Circuit Failure CHECK select/reset button for binding and sticking. If OK, INSTALL a new instrument cluster. See INSTRUMENT CLUSTER . TEST the system for normal operation.
B1208 EIC Switch-1 Assembly Circuit Short to Ground See INSTRUMENT CLUSTER .
B1212 EIC Switch-2 Assembly Circuit Short to Ground See INSTRUMENT CLUSTER .
B1213 Anti-Theft Number of Programmed Keys is Below Minimum See Pinpoint Test 6: PINPOINT TEST 6: ANTI-THEFT NUMBER OF PROGRAMMED KEYS IS BELOW MINIMUM .
B1217 Horn Relay Coil Circuit Failure If the horn is inoperative, see PINPOINT TEST 1: THE HORN DOES NOT SOUND . If the horn always sounds, see PINPOINT TEST 2: THE HORN SOUNDS CONTINUOUSLY .
B1218 Horn Relay Coil Circuit Short to Battery If the horn is inoperative, see PINPOINT TEST 1: THE HORN DOES NOT SOUND . If the horn always sounds, see PINPOINT TEST 2: THE HORN SOUNDS CONTINUOUSLY .
B1231 Longitudinal Acceleration Threshold Exceeded INSTALL a new RCM and impact sensors. See RESTRAINTS CONTROL MODULE (RCM) or SIDE IMPACT SENSOR - FIRST ROW, B-PILLAR or SIDE IMPACT SENSOR - SECOND ROW, C-PILLAR .
B1244 Wiper Rear Motor Run Relay Coil Circuit Failure If the rear wiper is inoperative, see PINPOINT TEST 2: THE WIPERS ARE INOPERATIVE - REAR . If the rear wiper is always ON, see PINPOINT TEST 4: THE WIPERS STAY ON CONTINUOUSLY - REAR .
B1245 Wiper Rear Motor Run Relay Coil Circuit Short to Battery See PINPOINT TEST 2: THE WIPERS ARE INOPERATIVE - REAR .
B1246 Dim Panel Potentiometer Switch Circuit Failure See PINPOINT TEST 3: THE CONTROL ILLUMINATION IS INOPERATIVE .
B1300 Power Door Lock Circuit Failure See PINPOINT TEST 1: ALL DOOR LOCKS ARE INOPERATIVE .
B1302 Accessory Delay Relay Coil Circuit Failure See PINPOINT TEST 9: THE DELAYED ACCESSORY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY .
B1304 Accessory Delay Relay Coil Circuit Short to Battery If the accessory delay is always on, see PINPOINT TEST 8: THE DELAYED ACCESSORY DOES NOT TURN OFF . If the accessory delay is inoperative, see PINPOINT TEST 9: THE DELAYED ACCESSORY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY .
B1314 Battery Saver Relay Coil Circuit Open See PINPOINT TEST 1: THE INTERIOR LAMPS ARE INOPERATIVE .
B1316 Battery Saver Relay Circuit Short to Ground See PINPOINT TEST 1: THE INTERIOR LAMPS ARE INOPERATIVE .
B1317 Battery Voltage High GO to PINPOINT TEST 3: THE SYSTEM OVERCHARGES (BATTERY VOLTAGE IS GREATER THAN 15.5 VOLTS) .
B1317 Battery Voltage High GO to PINPOINT TEST 3: THE SYSTEM OVERCHARGES (BATTERY VOLTAGE IS GREATER THAN 15.5 VOLTS) .
B1317 Battery Voltage High GO to PINPOINT TEST 3: THE SYSTEM OVERCHARGES (BATTERY VOLTAGE IS GREATER THAN 15.5 VOLTS) .
B1317 Battery Voltage High GO to PINPOINT TEST 3: THE SYSTEM OVERCHARGES (BATTERY VOLTAGE IS GREATER THAN 15.5 VOLTS) .
B1318 Battery Voltage Low GO to PINPOINT TEST 1: BATTERY IS DISCHARGED OR VOLTAGE IS LOW .
B1318 Battery Voltage Low GO to PINPOINT TEST 1: BATTERY IS DISCHARGED OR VOLTAGE IS LOW .
B1318 Battery Voltage Low GO to PINPOINT TEST 1: BATTERY IS DISCHARGED OR VOLTAGE IS LOW .
B1318 Battery Voltage Low GO to PINPOINT TEST 1: BATTERY IS DISCHARGED OR VOLTAGE IS LOW .
B1319 Driver Door Ajar Switch/Circuit Failure See PINPOINT TEST 2: THE INTERIOR LAMPS STAY ON CONTINUOUSLY .
B1327 Passenger Door Ajar Circuit Failure See PINPOINT TEST 2: THE INTERIOR LAMPS STAY ON CONTINUOUSLY .
B1335 Door Ajar - Right Rear Switch/Circuit Failure See PINPOINT TEST 2: THE INTERIOR LAMPS STAY ON CONTINUOUSLY .
B1342 ECU is Defective CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new PCM. See POWERTRAIN CONTROL MODULE (PCM) . CLEAR the DTCs. REPEAT the self-test.
B1342 ECU is Faulted CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new RCM. See RESTRAINTS CONTROL MODULE (RCM) . CLEAR the DTCs. REPEAT the self-test.
B1342 ECU is Faulted CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new SJB. See SMART JUNCTION BOX (SJB) . CLEAR the DTCs. REPEAT the self-test.
B1342 ECU is Faulted CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new instrument cluster. See INSTRUMENT CLUSTER (IC) REPLACEMENT PROCEDURE - WDS . CLEAR the DTCs. REPEAT the self-test.
B1342 ECU is Faulted CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ABS module. See ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . CLEAR the DTCs. REPEAT the self-test.
B1342 ECU is Defective CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new 4WD control module. See FOUR - WHEEL DRIVE (4WD) CONTROL MODULE . CLEAR the DTCs. REPEAT the self-test.
B1345 Rear Defrost Switch/Circuit Short to Ground See PINPOINT TEST 6: THE DEFROST SYSTEM IS INOPERATIVE .
B1347 Rear Defrost Switch/ Relay Coil Circuit Failure If the rear window does not defrost, see PINPOINT TEST 6: THE DEFROST SYSTEM IS INOPERATIVE . If the rear window defrost does not turn off, see PINPOINT TEST 8: THE DELAYED ACCESSORY DOES NOT TURN OFF .
B1349 Rear Defrost Switch/ Relay Coil Short to Battery See PINPOINT TEST 9: THE DELAYED ACCESSORY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY .
B1352 Ignition Key-In Circuit Failure See PINPOINT TEST 2: THE KEY-IN-IGNITION CHIME IS INOPERATIVE/DOES NOT OPERATE CORRECTLY .
B1359 Ignition RUN/ACC Circuit Failure See PINPOINT TEST 2: NO POWER IN ON/ACC .
B1372 Illuminated Entry Relay Circuit Open See PINPOINT TEST 1: THE INTERIOR LAMPS ARE INOPERATIVE .
B1374 Illuminated Entry Relay Short to Ground See PINPOINT TEST 2: THE INTERIOR LAMPS STAY ON CONTINUOUSLY ,
B1396 Doors - Lock All Relay Circuit Coil Short to Battery See PINPOINT TEST 4: THE DOOR LOCKS OPERATE ONLY ONE WAY .
B1397 Other Doors - Unlock All Relay Coil Circuit Short to Battery See PINPOINT TEST 4: THE DOOR LOCKS OPERATE ONLY ONE WAY .
B1472 Headlamp (Low Beam) ON Switch/Circuit Short to Ground See PINPOINT TEST 2: THE LOW BEAM HEADLAMPS ARE INOPERATIVE .
B1474 Battery Saver - Interior Lighting Power Circuit Short to Battery See PINPOINT TEST 7: THE BATTERY SAVER DOES NOT DEACTIVATE AFTER TIME-OUT ,
B1499 Lamps, Left Turn Signal Failure If a turn signal is inoperative, see PINPOINT TEST 5: ONE TURN SIGNAL/HAZARD LAMP IS NEVER ON . If a turn signal is always on, see PINPOINT TEST 6: ONE TURN SIGNAL/HAZARD LAMP IS ALWAYS ON .
B1502 Lamps, Left Turn Signal Short to Ground See PINPOINT TEST 5: ONE TURN SIGNAL/HAZARD LAMP IS NEVER ON .
B1503 Lamps, Right Turn Signal Failure If a turn signal is inoperative, see PINPOINT TEST 5: ONE TURN SIGNAL/HAZARD LAMP IS NEVER ON . If a turn signal is always on, see PINPOINT TEST 6: ONE TURN SIGNAL/HAZARD LAMP IS ALWAYS ON .
B1506 Lamps, Right Turn Signal Short to Ground See PINPOINT TEST 5: ONE TURN SIGNAL/HAZARD LAMP IS NEVER ON .
B1510 Flash-to-Pass Switch / Circuit Short to Ground See PINPOINT TEST 7: THE FLASH-TO-PASS FEATURE IS INOPERATIVE .
B1519 Hood Ajar Switch/Circuit Failure See PINPOINT TEST 4: DTC B1519 HOOD AJAR SWITCH/CIRCUIT FAILURE .
B1555 Ignition - RUN/START Circuit Failure If DTC B1359 is also retrieved, SEE PINPOINT TEST 2: NO POWER IN ON/ACC . If DTC B1359 is not retrieved, SEE PINPOINT TEST 3: NO POWER IN START/ON .
B1570 Lamp Headlamp High-Beam Circuit Short to Ground See PINPOINT TEST 5: ONE HIGH BEAM HEADLAMP IS INOPERATIVE .
B1571 Door Ajar - Left Rear Switch/Circuit Failure See PINPOINT TEST 2: THE INTERIOR LAMPS STAY ON CONTINUOUSLY .
B1578 Park Lamp On/Off Switch/Circuit Short to Ground See PINPOINT TEST 3: THE PARKING, REAR OR LICENSE LAMPS ARE ON CONTINUOUSLY .
B1600 PATS Ignition Key Transponder Signal is Not Received See Pinpoint Test 2: PINPOINT TEST 2: PATS IGNITION KEY TRANSPONDER SIGNAL IS NOT RECEIVED .
B1601 PATS Received Incorrect Key-Code From Ignition Key Transponder See Pinpoint Test 3: PINPOINT TEST 3: PATS RECEIVED INCORRECT KEY-CODE FROM IGNITION KEY TRANSPONDER .
B1602 PATS Received Invalid Format of Key-Code From Ignition Key Transponder See Pinpoint Test 4: PINPOINT TEST 4: PATS RECEIVED INVALID FORMAT OF KEY-CODE FROM IGNITION KEY TRANSPONDER .
B1614 Wiper Rear Mode Select Switch/Circuit Short to Ground See PINPOINT TEST 4: THE WIPERS STAY ON CONTINUOUSLY - REAR .
B1626 Keypad Illumination Circuit Short to Ground See LOCKS, LATCHES AND ENTRY SYSTEMS .
B1676 Battery Pack Voltage Out of Range See PINPOINT TEST 2: DTC B1676 - BATTERY PACK VOLTAGE OUT OF RANGE .
B1681 PATS Transceiver Module Signal is Not Received See Pinpoint Test 5: PINPOINT TEST 5: PATS TRANSCEIVER MODULE SIGNAL IS NOT RECEIVED .
B1693 Autolamp On/Off Switch/Circuit Failure See HEADLAMPS .
B1696 Autolamp On/Off Switch/Circuit Short to Ground See HEADLAMPS .
B1791 Autolamp Sensor Input Circuit Open See HEADLAMPS .
B1793 Autolamp Sensor Input Circuit Short to Ground See HEADLAMPS .
B1797 Lamp Headlamp Low-Beam Circuit Short to Ground If both low beams are inoperative, see PINPOINT TEST 2: THE LOW BEAM HEADLAMPS ARE INOPERATIVE . If an individual low beam is inoperative, see PINPOINT TEST 4: ONE LOW BEAM HEADLAMP IS INOPERATIVE
B1869 Lamp Air Bag Warning Indicator Circuit Open See PINPOINT TEST 2: DTC B1869 - LAMP AIR BAG WARNING INDICATOR CIRCUIT OPEN OR SHORT TO GROUND .
B1870 Lamp Air Bag Warning Indicator Circuit Short to Battery See PINPOINT TEST 3: DTC B1870 - AIR BAG INDICATOR CIRCUIT SHORT TO BATTERY .
B1884 PAD Warning Lamp Circuit Failure See PINPOINT TEST 4: DTC B1884 - PAD WARNING LAMP CIRCUIT FAILURE .
B1890 PAD Warning Lamp Circuit Short to Battery See PINPOINT TEST 5: DTC B1890 - PAD WARNING LAMP CIRCUIT SHORT TO BATTERY .
B1891 Air Bag Tone Warning Indicator Circuit Short to Battery See PINPOINT TEST 6: DTC B1891 - AIR BAG TONE WARNING INDICATOR CIRCUIT SHORT TO BATTERY .
B1892 Air Bag Tone Warning Indicator Circuit Failure See PINPOINT TEST 7: DTC B1892 - AIR BAG TONE WARNING INDICATOR CIRCUIT SHORTED TO GROUND OR OPEN .
B1921 Air Bag Diagnostic Monitor Ground Circuit Open See PINPOINT TEST 8: DTC B1921 - AIR BAG DIAGNOSTIC MONITOR CIRCUIT OPEN .
B1982 Driver Door - Unlock Relay Coil Circuit Failure See PINPOINT TEST 3: A SINGLE DOOR LOCK IS INOPERATIVE .
B1983 Driver Door - Unlock Relay Coil Circuit Short to Battery See PINPOINT TEST 4: THE DOOR LOCKS OPERATE ONLY ONE WAY .
B2030 Front Fog Lamps Relay Coil Circuit Failure If the fog lamps are inoperative, see PINPOINT TEST 1: THE FOG LAMPS ARE INOPERATIVE . If the fog lamps are always on, see PINPOINT TEST 2: THE FOG LAMPS ARE ON CONTINUOUSLY .
B2070 Trailer Tow Relay Coil(s) Circuit Failure See PINPOINT TEST 1: THE TRAILER LAMPS ARE INOPERATIVE .
B2071 Hazard Switch/Circuit Short to Ground See PINPOINT TEST 4: THE HAZARD FLASHER LAMPS ARE ALWAYS ON .
B2077 Lift Gate Ajar Switch/Circuit Failure See PINPOINT TEST 2: THE INTERIOR LAMPS STAY ON CONTINUOUSLY .
B2100 Door Driver Key Cylinder Switch/Circuit Short to Ground See LOCKS, LATCHES AND ENTRY SYSTEMS .
B2103 Antenna Not Connected See Pinpoint Test 1: PINPOINT TEST 1: ANTENNA NOT CONNECTED .
B2111 All Door Lock Input Short to Ground See PINPOINT TEST 1: ALL DOOR LOCKS ARE INOPERATIVE .
B2127 Short Circuit to Ground or Double Lock Reset Line See LOCKS, LATCHES AND ENTRY SYSTEMS .
B2141 NVM Configuration Failure See MODULE CONFIGURATION .
B2143 NVM Memory Failure See MODULE CONFIGURATION .
B2250 All Doors - Unlock All Relay Coil Circuit Failure See PINPOINT TEST 3: A SINGLE DOOR LOCK IS INOPERATIVE .
B2254 Front Fog Lamp Switch Failure See PINPOINT TEST 1: THE FOG LAMPS ARE INOPERATIVE .
B2264 Rear Fog Lamp Switch/Circuit Short to Ground See FOG LAMPS .
B2281 Right Turn Signal Switch/Circuit Short to Ground See PINPOINT TEST 6: ONE TURN SIGNAL/HAZARD LAMP IS ALWAYS ON .
B2282 Left Turn Signal Switch/Circuit Short to Ground See PINPOINT TEST 6: ONE TURN SIGNAL/HAZARD LAMP IS ALWAYS ON .
B2290 Occupant Classification System Fault - Front Passenger Side See PINPOINT TEST 9: DTC B2290 - OCCUPANT CLASSIFICATION SYSTEM (OCS) FAULT .
B2292 Restraint System - Seat Belt Pretensioner Fault See PINPOINT TEST 10: DTC B2292 - RESTRAINT SYSTEM SAFETY BELT PRETENSIONER STATUS .
B2293 Restraint System - Air Bag Fault See PINPOINT TEST 11: DTC B2293 - RESTRAINT SYSTEM AIR BAG STATUS .
B2294 Restraint System - Curtain Fault See PINPOINT TEST 12: DTC B2294 - RESTRAINT SYSTEM SAFETY CANOPY MODULE STATUS .
B2295 Restraint System - Side Air Bag Fault See PINPOINT TEST 13: DTC B2295 - RESTRAINT SYSTEM SIDE AIR BAG FAULT .
B2296 Restraint System - Impact Sensor Fault See PINPOINT TEST 14: DTC B2296 - RESTRAINT SYSTEM IMPACT SENSOR STATUS .
B2382 Reverse (Backup) Lamps Relay Coil Circuit Failure See PINPOINT TEST 1: THE BACKUP LAMPS ARE INOPERATIVE .
B2407 Backup Light Relay Circuit - High If the backup lamps are inoperative, see PINPOINT TEST 1: THE BACKUP LAMPS ARE INOPERATIVE . If the backup lamps are always on, see PINPOINT TEST 2: THE BACKUP LAMPS ARE ON CONTINUOUSLY .
B2425 Remote Keyless Entry Out of Synchronization See PINPOINT TEST 6: REMOTE KEYLESS ENTRY TRANSMITTER OUT OF SYNCHRONIZATION .
B2431 Key Program Failure (Defective Key On Transceiver) Verify if using correct PATS key. If defective, use a new key.
B2434 Driver Seat Belt Buckle Switch Circuit Short to Ground See PINPOINT TEST 15: DTC B2434 - DRIVER SAFETY BELT BUCKLE SWITCH CIRCUIT SHORT TO GROUND .
B2435 Driver Seat Belt Buckle Switch Resistance Out of Range See PINPOINT TEST 16: DTC B2435 - DRIVER SAFETY BELT BUCKLE SWITCH RESISTANCE OUT OF RANGE .
B2438 Passenger Seat Belt Buckle Switch Circuit Short to Ground See PINPOINT TEST 17: DTC B2438 - PASSENGER SAFETY BELT BUCKLE SWITCH CIRCUIT SHORT TO GROUND .
B2439 Passenger Seat Belt Buckle Switch Resistance Out of Range See PINPOINT TEST 18: DTC B2439 - PASSENGER SAFETY BELT BUCKLE SWITCH RESISTANCE OUT OF RANGE .
B2477 Module Configuration Failure INSTALL a new RCM. See RESTRAINTS CONTROL MODULE (RCM) .
B2477 Module Configuration Error See MODULE CONFIGURATION .
B2477 Module Configuration Error See MODULE CONFIGURATION .
B2477 Module Configuration Error See MODULE CONFIGURATION .
B2501 Headlamp, Left Low-Beam Circuit Failure If the low beam is inoperative, see PINPOINT TEST 4: ONE LOW BEAM HEADLAMP IS INOPERATIVE . If the low beam is always on, see PINPOINT TEST 6: THE HEADLAMPS ARE ON CONTINUOUSLY .
B2503 Headlamp, Right Low-Beam Circuit Failure If the low beam is inoperative, see PINPOINT TEST 4: ONE LOW BEAM HEADLAMP IS INOPERATIVE . If the low beam is always on, see PINPOINT TEST 6: THE HEADLAMPS ARE ON CONTINUOUSLY .
B2505 Headlamp, Left High-Beam Circuit Failure If the high beam is inoperative, see PINPOINT TEST 5: ONE HIGH BEAM HEADLAMP IS INOPERATIVE . If the high beam is always on, see PINPOINT TEST 6: THE HEADLAMPS ARE ON CONTINUOUSLY .
B2507 Headlamp, Right High-Beam Circuit Failure If the high beam is inoperative, see PINPOINT TEST 5: ONE HIGH BEAM HEADLAMP IS INOPERATIVE . If the high beam is always on, see PINPOINT TEST 6: THE HEADLAMPS ARE ON CONTINUOUSLY .
B2512 Front Fog Lamps Relay Coil Circuit Short to Battery See PINPOINT TEST 1: THE FOG LAMPS ARE INOPERATIVE .
B2674 Double Lock Output Short to Battery See LOCKS, LATCHES AND ENTRY SYSTEMS .
B2691 Front Driver Seat Belt Buckle Switch Circuit Fault See PINPOINT TEST 19: DTC B2691 - DRIVER SAFETY BELT BUCKLE SWITCH CIRCUIT FAULT .
B2692 Front Passenger Seat Belt Buckle Switch Circuit Fault See PINPOINT TEST 20: DTC B2692 - PASSENGER SAFETY BELT BUCKLE SWITCH CIRCUIT FAULT .
B2695 Keypad 9/0 (A) Switch/Circuit Failure See LOCKS, LATCHES AND ENTRY SYSTEMS .
B2696 Keypad 7/8 (B) Switch/Circuit Failure See LOCKS, LATCHES AND ENTRY SYSTEMS .
B2697 Keypad 5/6 (C) Switch/Circuit Failure See LOCKS, LATCHES AND ENTRY SYSTEMS .
B2868 Left Front Tire Pressure Sensor Fault See TIRE PRESSURE MONITORING SYSTEM (TPMS) .
B2869 Right Front Tire Pressure Sensor Fault See TIRE PRESSURE MONITORING SYSTEM (TPMS) .
B2870 Right Rear (ORR) Tire Pressure Sensor Fault See TIRE PRESSURE MONITORING SYSTEM (TPMS) .
B2871 Left Rear (OLR) Tire Pressure Sensor Fault See TIRE PRESSURE MONITORING SYSTEM (TPMS) .
B2872 Tire Pressure Sensor Fault See TIRE PRESSURE MONITORING SYSTEM (TPMS) .
B2885 Spare Tire Pressure Sensor Fault See WHEELS AND TIRES .
B2900 VIN Mismatch VERIFY that the module has the correct as-built data.
B2902 Rear Window Ajar Switch/Circuit Failure See PINPOINT TEST 2: THE INTERIOR LAMPS STAY ON CONTINUOUSLY .
B2909 Belt Tension Sensor Fault See PINPOINT TEST 21: DTC B2909 - BELT TENSION SENSOR FAULT .
C1095 ABS Hydraulic Pump Motor Circuit Failure See PINPOINT TEST 5: DTC C1095 - HYDRAULIC PUMP MOTOR CIRCUIT FAILURE .
C1145 Speed Wheel Sensor RF Circuit Failure See PINPOINT TEST 3: DTC C1145, DTC C1155, DTC C1165 AND DTC C1175 - WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
C1155 Speed Wheel Sensor LF Circuit Failure See PINPOINT TEST 3: DTC C1145, DTC C1155, DTC C1165 AND DTC C1175 - WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
C1165 Speed Wheel Sensor RR Circuit Failure See PINPOINT TEST 3: DTC C1145, DTC C1155, DTC C1165 AND DTC C1175 - WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
C1175 Speed Wheel Sensor LR Circuit Failure See PINPOINT TEST 3: DTC C1145, DTC C1155, DTC C1165 AND DTC C1175 - WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
C1233 Speed Wheel LF Input Signal Missing See PINPOINT TEST 4: DTC C1233, DTC C1234, DTC C1235 AND DTC C1236 - WHEEL SPEED SENSOR INPUT SIGNAL MISSING .
C1234 Speed Wheel RF Input Signal Missing See PINPOINT TEST 4: DTC C1233, DTC C1234, DTC C1235 AND DTC C1236 - WHEEL SPEED SENSOR INPUT SIGNAL MISSING .
C1235 Speed Wheel RR Input Signal Missing See PINPOINT TEST 4: DTC C1233, DTC C1234, DTC C1235 AND DTC C1236 - WHEEL SPEED SENSOR INPUT SIGNAL MISSING .
C1236 Speed Wheel LR Input Signal Missing See PINPOINT TEST 4: DTC C1233, DTC C1234, DTC C1235 AND DTC C1236 - WHEEL SPEED SENSOR INPUT SIGNAL MISSING .
C1414 Incorrect Module Design Level See PINPOINT TEST 22: DTC C1414 - INCORRECT VEHICLE ID .
C1446 Brake On/Off (BOO) Switch/Circuit Failure See PINPOINT TEST 1: THE STOPLAMPS ARE INOPERATIVE .
C1769 Park Brake Switch/Circuit Short to Ground See PINPOINT TEST 7: THE BRAKE WARNING INDICATOR IS NEVER/ALWAYS ON .
C1788 Brake (Stop) Lamps Circuit Short to Ground See PINPOINT TEST 1: THE STOPLAMPS ARE INOPERATIVE .
C1789 Brake (Stop) Lamps Relay Output Circuit Open If the stoplamps are inoperative, see PINPOINT TEST 1: THE STOPLAMPS ARE INOPERATIVE . If the stoplamps are on continuously, see PINPOINT TEST 3: THE STOPLAMPS ARE ON CONTINUOUSLY .
C1805 Mismatched PCM and/or ABS Module See ANTI-LOCK CONTROL .
C1947 Driver Seat Track Position Switch Circuit Short to Ground See PINPOINT TEST 23: DTC C1947 - SEAT TRACK POSITION SENSOR CIRCUIT SHORT TO GROUND .
C1948 Driver Seat Track Position Switch Circuit Resistance Out of Range See PINPOINT TEST 24: DTC C1948 - SEAT TRACK POSITION SENSOR CIRCUIT RESISTANCE OUT OF RANGE .
C1961 Park Lamp Relay Coil Circuit Failure See PINPOINT TEST 2: ONE OR MORE PARKING, REAR OR LICENSE LAMP IS INOPERATIVE
C1981 Front Driver Seat Track Position Switch Circuit Fault See PINPOINT TEST 25: DTC C1981 - SEAT TRACK POSITION SENSOR CIRCUIT FAULT .
C2780 ECU in Manufacturing Mode See MODULE CONFIGURATION .
U0073 Control Module Communication Bus Off See COMMUNICATIONS NETWORK .
U0100 Lost Communication with PCM See PINPOINT TEST 5: CAN COMMUNICATIONS BUS FAULT .
U0121 Lost Communication with ABS Module See PINPOINT TEST 5: CAN COMMUNICATIONS BUS FAULT .
U0401 Invalid Data Received From PCM See PINPOINT TEST 3: 4WD CONTROL MODULE RECEIVED NO/INVALID DATA FROM PCM .
U0415 Invalid Data Received From ABS Module See PINPOINT TEST 4: 4WD CONTROL MODULE RECEIVED NO/INVALID DATA FROM ABS MODULE .
U1900 CAN Communication Bus Fault Receive Error See PINPOINT TEST 5: CAN COMMUNICATIONS BUS FAULT .
U1900 CAN Communication Bus Fault Receive Error See COMMUNICATIONS NETWORK .
U1900 CAN Communication Bus Fault Receive Error See COMMUNICATIONS NETWORK .
U1900 CAN Communication Bus Fault-Receive Error See COMMUNICATIONS NETWORK .
U2023 Fault Received From External Node See COMMUNICATIONS NETWORK .
U2023 Fault Received From External Node See COMMUNICATIONS NETWORK .
U2050 No Application Present See MODULE CONFIGURATION .
U2051 One or More Calibration Files Missing/Corrupt See MODULE CONFIGURATION .
PXXX All Other PCM DTCs See DIAGNOSTIC TROUBLE CODE (DTC) INDEX - POWERTRAIN CONTROL MODULE (PCM) .
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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.