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 IS 300FACTORY OEM SERVICE PROCEDURE
Traction Control System
TRACTION CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC C1223/43 | Malfunction in ABS control system |
| DTC C1224/44 | Open or short circuit of NE signal circuit |
| DTC C1201/51 | Malfunction in engine control system |
| DTC C1202/52 | Brake fluid level low Open circuit in brake fluid level warning switch circuit |
| DTC C1203/53 | Malfunction in ECM communication circuit |
Factory Service Tools
Use the Manual With the Right Hardware
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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.