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 | A/C Clutch Relay 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 . |
HVAC MODULE - ELECTRONIC MANUAL TEMPERATURE CONTROL (EMTC) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action to Take |
|---|---|---|
| B1003 | Mode Door Circuit Failure | GO to PINPOINT TEST I . |
| B1200 | Climate Control Pushbutton Circuit Failure | Button held too long may set DTC. ATTEMPT to clean buttons. If code returns, INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| B1342 | ECU Is Faulted | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| B1676 | Battery Pack Voltage Out Of Range | GO to PINPOINT TEST Y . |
| B2266 | Left Side Blend Door Circuit Failure | GO to PINPOINT TEST N . |
| B2826 | Front Evaporator Temp Sensor Circuit Failure | GO to PINPOINT TEST F . |
| B2827 | Front Evaporator Temp Sensor Short to Ground | GO to PINPOINT TEST F . |
| B2916 | Rear Blend Door Circuit Failure | GO to PINPOINT TEST V . |
| B2917 | Rear Mode Door Circuit Failure | GO to PINPOINT TEST W . |
| B2918 | Aux Temp Blend Input Circuit Failure | If the vehicle is not equipped with a center console and rear auxiliary climate controls, ignore the DTC and continue diagnostics. If the vehicle is equipped with a center console and rear auxiliary climate controls, GO to PINPOINT TEST X . |
| B2919 | Aux Blower Motor Speed Input Circuit Failure | If the vehicle is not equipped with a center console and rear auxiliary climate controls, ignore the DTC and continue diagnostics. If the vehicle is equipped with a center console and rear auxiliary climate controls, GO to PINPOINT TEST X . |
| U2050 | No Application Present | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| All Other DTCs | - | REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES . |
HVAC MODULE - DUAL AUTOMATIC TEMPERATURE CONTROL (DATC) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action to Take |
|---|---|---|
| B1003 | Mode Door Circuit Failure | GO to PINPOINT TEST I . |
| B1200 | Climate Control Pushbutton Circuit Failure | Button held too long may set DTC. ATTEMPT to clean buttons. If code returns, INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| B1251 | Air Temperature Internal Sensor Circuit Open | GO to PINPOINT TEST C . |
| B1253 | Air Temperature Internal Sensor Circuit Short to Ground | GO to PINPOINT TEST C . |
| B1255 | Air Temperature External Sensor Circuit Open | GO to PINPOINT TEST D . |
| B1257 | Air Temperature External Sensor Circuit Short to Ground | GO to PINPOINT TEST D . |
| B1342 | ECU Is Faulted | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| B1676 | Battery Pack Voltage Out Of Range | GO to PINPOINT TEST Y . |
| B2266 | Left Side Blend Door Circuit Failure | GO to PINPOINT TEST O . |
| B2267 | Right Side Blend Door Circuit Failure | GO to PINPOINT TEST O . |
| B2426 | Passenger Solar Radiation Sensor Circuit Open | GO to PINPOINT TEST E . |
| B2427 | Passenger Solar Radiation Sensor Circuit Short to Ground | GO to PINPOINT TEST E . |
| B2795 | Driver Solar Radiation Sensor Circuit Short to Ground | GO to PINPOINT TEST E . |
| B2796 | Driver Solar Radiation Sensor Circuit Open | GO to PINPOINT TEST E . |
| B2826 | Front Evaporator Temp Sensor Circuit Failure | GO to PINPOINT TEST F . |
| B2827 | Front Evaporator Temp Sensor Short to Ground | GO to PINPOINT TEST F . |
| B2916 | Rear Blend Door Circuit Failure | GO to PINPOINT TEST V . |
| B2917 | Rear Mode Door Circuit Failure | GO to PINPOINT TEST W . |
| B2918 | Aux Temp Blend Input Circuit Failure | If the vehicle is not equipped with a center console and rear auxiliary climate controls, ignore the DTC and continue diagnostics. If the vehicle is equipped with a center console and rear auxiliary climate controls, GO to PINPOINT TEST X . |
| B2919 | Aux Blower Motor Speed Input Circuit Failure | If the vehicle is not equipped with a center console and rear auxiliary climate controls, ignore the DTC and continue diagnostics. If the vehicle is equipped with a center console and rear auxiliary climate controls, GO to PINPOINT TEST X . |
| U2050 | No Application Present | INSTALL a new HVAC module. REFER to CLIMATE CONTROL . |
| All Other DTCs | - | REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES . |