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.
2006 Chevrolet Optra LS, AutomaticFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake Control Module Diagnostic Trouble Code (DTC) List
| DTC | Diagnostic Procedure |
|---|---|
| C0035 | DTC C0035 |
| C0040 | DTC C0040 |
| C0045 | DTC C0045 |
| C0050 | DTC C0050 |
| C0060/C0065 | DTC C0060/C0065 |
| C0070/C0075 | DTC C0070/C0075 |
| C0080/C0085 | DTC C0080/C0085 |
| C0090/C0095 | DTC C0090/C0095 |
| C0110 | DTC C0110 |
| C0121 | DTC C0121 |
| C0141-C0156 | DTC C0141-C0156 |
| C0161 | DTC C0161 |
| C0245 | DTC C0245 |
| C0550 | DTC C0550 |
| C0800 | DTC C0800 |
| C0931 | DTC C0931 |
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.