Climate Control System
PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action to Take |
|---|---|---|
| P0532 | A/C Refrigerant Pressure Sensor A Circuit Low | GO to PINPOINT TEST A . |
| P0533 | A/C Refrigerant Pressure Sensor A Circuit High | GO to PINPOINT TEST A . |
| P0645 | Air Conditioning Clutch Relay (A/CCR) Control Circuit | GO to PINPOINT TEST B . |
| P1464 | A/C Demand Out Of Self Test Range | If the HVAC selector was not in the OFF position, PLACE it in the OFF position, CLEAR the DTCs and REPEAT the self-test. If the DTC does not return, IGNORE the DTC and continue diagnostics. If the DTC returns, GO to PINPOINT TEST M . |
| All Other DTCs | - | REFER to INTRODUCTION - GASOLINE MODELS article. |
DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | EATC (Hard) Self-Test Faults | EATC (Intermittent) Run-Time Faults | Description | Action to Take |
|---|---|---|---|---|
| B1249 | 024 | 025 | Blend Door Failure | GO to PINPOINT TEST C . |
| B1251 | 031 | N/A | Air Temperature Internal Sensor Circuit Open | GO to PINPOINT TEST D . |
| B1253 | 030 | N/A | Air Temperature Internal Sensor Circuit Short to Ground | GO to PINPOINT TEST D . |
| B1255 | 041 | 043 | Air Temperature External Sensor Circuit Open | GO to PINPOINT TEST E . |
| B1257 | 040 | 042 | Air Temperature External Sensor Circuit Short to Ground | GO to PINPOINT TEST E . |
| B1259 | 053 | 051 | Solar Radiation Sensor Circuit Open | GO to PINPOINT TEST F . |
| B1261 | 050 | 052 | Solar Radiation Sensor Circuit Short to Ground | GO to PINPOINT TEST F . |
| U1073 | N/A | N/A | SCP Invalid or Missing Data for Engine Coolant | If DTCs are present in the Instrument Cluster (IC), DIAGNOSE those codes first. CLEAR the DTCs. If the HVAC DTC returns, INSTALL a new HVAC module. REFER to HVAC - CLIMATE CONTROL SYSTEM article. TEST the system for normal operation. If no DTCs are present in the IC , CLEAR the DTCs. If the HVAC module DTC returns, INSTALL a new HVAC module. REFER to HVAC - CLIMATE CONTROL SYSTEM article. TEST the system for normal operation. |
| U1341 | N/A | N/A | SCP Invalid or Missing Data for Function Read Vehicle Speed | If DTCs are present in the IC , DIAGNOSE those codes first. CLEAR the DTCs. If the HVAC DTC returns, INSTALL a new HVAC module. REFER to HVAC - CLIMATE CONTROL SYSTEM article. TEST the system for normal operation. If no DTCs are present in the IC, CLEAR the DTCs. If the HVAC module DTC returns, INSTALL a new HVAC module. REFER to HVAC - CLIMATE CONTROL SYSTEM article. TEST the system for normal operation. |
| All Other DTCs | - | - | - | REFER to the Master DTC Table in MULTIFUNCTION ELECTRONIC MODULES article. |