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.
2003 Pontiac Aztek AWDFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake DTCS
ANTI-LOCK BRAKE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B2747 | Traction Control Circuit Malfunction |
| DTC C0035, C0036, C0040, C0041, C0045, C0046, C0050, C0051 | Wheel Speed Circuit |
| DTC C0060, C0065, C0070, C0075, C0080, C0085, C0090, C0095 | ABS Solenoid Circuit Malfunction |
| DTC C0110 | Pump Motor Circuit Malfunction |
| DTC C0121 | Valve Relay Circuit Malfunction |
| DTC C0141, C0146, C0151, C0156 | TCS Solenoid Circuit Malfunction |
| DTC C0161 | ABS/TCS Brake Switch Circuit Malfunction |
| DTC C0236 | Rear Wheel Speed Signal Circuit Missing |
| DTC C0240 | PCM Traction Control Not Allowed |
| DTC C0241, P1571 | EBCM Control Valve Circuit |
| DTC C0244, P1689 | EBCM Malfunction |
| DTC C0245 | EBCM Malfunction |
| DTC C0565 | VIN Information Error EBCM |
| DTC C0896 | ESC Voltage Is Outside The Normal Range Of 9 To 15.5 Volts |
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.