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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1669 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> Diagnostic Code Index
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Diagnostic Code Index

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B0158  B0158 13: Outside Air Temperature Sensor Voltage Low
B0158 14: Outside Air Temperature Sensor Voltage High
DTC B0163, B0173, or B0178  B0163 02: Passenger Compartment Temperature Sensor Circuit Short to Ground
B0163 05: Passenger Compartment Temperature Sensor Circuit Short to Battery or Open
B0173 02: Upper Air Temperature Sensor 1 Circuit Short to Ground
B0173 05: Upper Air Temperature Sensor 1 Circuit Short to Battery or Open
B0178 02: Lower Air Temperature Sensor 2 Circuit Short to Ground
B0178 05: Lower Air Temperature Sensor 2 Circuit Short to Battery or Open
DTC B0183 or B0188  B0183 02: Solar Load Sensor 1 Circuit Short to Ground
B0183 05: Solar Load Sensor 1 Circuit Short to Short to Battery or Open
B0188 02: Solar Load Sensor 2 Circuit Short to Ground
B0188 05: Solar Load Sensor 2 Circuit Short to Short to Battery or Open
DTC B0228, B0423, or B3779  B0228 02: Recirculate Position Feedback Circuit Short to Ground
B0228 05: Recirculate Position Feedback Circuit Short to Battery or Open
B0228 61: Recirculate Position Circuit Actuator Stuck
B0423 02: Temperature Control 2 Feedback Circuit Short to Ground
B0423 05: Temperature Control 2 Feedback Circuit Short to Battery or Open
B0423 61: Temperature Control 2 Circuit Actuator Stuck
B3779 02: Air Flow Control 9 Feedback Circuit Short to Ground
B3779 05: Air Flow Control 9 Feedback Circuit Short to Battery or Open
B3779 61: Air Flow Control 9 Circuit Actuator Stuck
DTC B3844 (with HP5)  B3844: Heater Core Pump Circuit
DTC B3844 (with HP7)  B3844: Heater Core Pump Circuit
DTC B3933  B3933 13: Air Conditioning (A/C) Evaporator Temperature Sensor Circuit Low Voltage
B3933 14: Air Conditioning (A/C) Evaporator Temperature Sensor Circuit High Voltage
DTC P0532 or P0533  P0532: Air Conditioning A/C Refrigerant Pressure Sensor Circuit Low Voltage
P0533: Air Conditioning A/C Refrigerant Pressure Sensor Circuit High Voltage
DTC P0645, P0646, or P0647  P0645: Air Conditioning (A/C) Clutch Relay Control Circuit
P0646: Air Conditioning (A/C) Clutch Relay Control Circuit Low Voltage
P0647: Air Conditioning (A/C) Clutch Relay Control Circuit High Voltage