Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake DTCS: ECB
ECB DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| C1202/68 | Master Reservoir Level Malfunction |
| C1203/95 | ECM Communication Circuit Malfunction |
| C1242/42 | Open in IG1 / IG2 Power Source Circuit |
| C1246/46 | Master Cylinder Pressure Sensor Malfunction |
| C1247/47 | Stroke Sensor Malfunction |
| C1249/49 | Open in Stop Light Switch Circuit |
| C1252/52 | Brake Booster Pump Motor on Time Abnormally Long |
| C1253/53 | Pump Motor Relay Malfunction |
| C1256/57 | Accumulator Low Pressure |
| C1300 | Skid Control ECU Malfunction |
| C1311/11 | Open in Main Relay 1 Circuit |
| C1312/12 | Short in Main Relay 1 Circuit |
| C1313/13 | Open in Main Relay 2 Circuit |
| C1314/14 | Short in Main Relay 2 Circuit |
| C1315/31 | SMC1 Changeover Solenoid Malfunction |
| C1316/32 | SMC2 Changeover Solenoid Malfunction |
| C1319/35 | SCSS Changeover Solenoid Malfunction |
| C1341/62 | Front Hydraulic System RH Malfunction |
| C1342/63 | Front Hydraulic System LH Malfunction |
| C1343/64 | Rear Hydraulic System RH Malfunction |
| C1344/65 | Rear Hydraulic System LH Malfunction |
| C1345/66 | Linear Solenoid Valve Offset Learning Undone |
| C1352/21 | Front Increasing Pressure Solenoid RH Malfunction |
| C1353/23 | Front Increasing Pressure Solenoid LH Malfunction |
| C1354/25 | Rear Increasing Pressure Solenoid RH Malfunction |
| C1355/27 | Rear Increasing Pressure Solenoid LH Malfunction |
| C1356/22 | Front Decreasing Pressure Solenoid RH Malfunction |
| C1357/24 | Front Decreasing Pressure Solenoid LH Malfunction |
| C1358/26 | Rear Decreasing Pressure Solenoid RH Malfunction |
| C1359/28 | Rear Decreasing Pressure Solenoid LH Malfunction |
| C1364/61 | Wheel Cylinder Pressure Sensor Malfunction |
| C1365/54 | Accumulator Pressure Sensor Malfunction |
| C1368/67 | Linear Solenoid Valve Offset Malfunction |
| C1377/43 | Capacitor Malfunction |
| C1378/44 | Capacitor Communication Malfunction |
| C1391/69 | Accumulator Leak Malfunction |
| C1392/48 | Stroke Sensor Zero Point Calibration Undone |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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