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.
2002 Pontiac Aztek AWDFACTORY OEM SERVICE PROCEDURE
Air Conditioning, Automatic DTCS
AIR CONDITIONING, AUTOMATIC DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B0165 | INSIDE AIR TEMPERATURE SENSOR |
| DTC B0166 | INSIDE AIR TEMPERATURE SENSOR |
| DTC B0233 | MODE ACTUATOR |
| DTC B0408 | LEFT AIR TEMPERATURE ACTUATOR |
| DTC B0418 | RIGHT AIR TEMPERATURE ACTUATOR |
| DTC B3933 | EVAPORATOR TEMPERATURE SENSOR |
| DTC P0530 | A/C REFRIGERANT PRESSURE SENSOR |
| DTC P1546 | A/C COMPRESSOR CLUTCH RELAY |
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.
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