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.
2001 Lexus RX 300 FWDFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake System DTCS
ANTI-LOCK BRAKE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC C0200/31 | C1239/39: Speed Sensor Circuit |
| DTC C0226/21 | C1227/27: ABS Solenoid Circuit |
| DTC C0273/13, C0274/14 | ABS Motor Relay Circuit |
| DTC C0278/11, C0279/12 | ABS Solenoid Relay Circuit |
| DTC C1201/51 | Engine Control System Malfunction |
| DTC C1202/52 | Brake Fluid Level Warning Switch Circuit |
| DTC C1203/53 | ECM Communication Circuit Malfunction |
| DTC C1207/37 | Park/Neutral Position Switch (Park Reverse Position Circuit) |
| DTC C1210/36 | Zero Point Calibration of Yaw Rate Sensor Undone |
| DTC C1223/43 | ABS Control System Malfunction |
| DTC C1224/44 | NE Signal Circuit |
| DTC C1231/31 | Steering Angle Sensor Circuit |
| DTC C1232/32 | Deceleration Sensor Circuit |
| DTC C1233/33, C1234/34 | Yaw Rate Sensor Circuit |
| DTC C1241/41 | IG Power Source Circuit |
| DTC C1243/43, C1245/45 | Malfunction in Deceleration Sensor |
| DTC C1244/44 | Deceleration Sensor Circuit |
| DTC C1246/46 | Master Cylinder Pressure Sensor Circuit |
| DTC C1249/49 | Stop Light Switch Circuit |
| DTC C1251/51 | ABS Pump Motor Lock |
| DTC C1335/35 | Steering Angle Sensor Communication Circuit Malfunction |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.