2004 Pontiac Aztek Base, FWDFACTORY OEM SERVICE PROCEDURE

Anti-Lock Brake DTCS

ANTILOCK BRAKE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
DTC B2747 Signal Circuit Voltage Of The Traction Control Switch Is Low
DTC C0035, C0036, C0037, C0038, C0039, C0040, C0041, C0042, C0043, C0044, C0045, C0046, C0047, C0048, C0049, C0050, C0051 ABS/TCS Brake Switch Circuit Malfunction
DTC C0060, C0061, C0062, C0063, C0064, C0065, C0066, C0067, C0068, C0069, C0070, C0071, C0072, C0073, C0074, C0075, C0076, C0077, C0078, C0079, C0080, C0081, C0082, C0083, C0084, C0085, C0086, C0087, C0088, C0089, C0090, C0091, C0092, C0093, C0094, C0095 TCS RPM Signal Circuit Malfunction
DTC C0110 PCM Traction Control Not Allowed
DTC C0121 PCM Indicated Requested Torque Malfunction
DTC C0141, C0142, C0143, C0144, C0145, C0146, C0147, C0148, C0149, C0150, C0151, C0152, C0153, C0154, C0155, C0156 PWM Delivered Torque Malfunction
DTC C0161 Wheel Speed Sensor Frequency Error
DTC C0236 ECU Malfunction
DTC C0240 VIN Information Error
DTC C0241 or P0856 Device Voltage Range Performance
DTC C0244 or P1689 Low Tire Pressure Detected
DTC C0245 Wheel Speed Comparison Deviation
DTC C0565 Digit 5 Of The VIN Is Incorrect
DTC C0896 EBCM Operating Voltage
Factory Service Tools

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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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