A/C-Heater Systems DTCS
NOTE:
Some PCM DTCs may inhibit air conditioning (A/C) operation. If any PCM DTCs are retrieved, diagnose those first. REFER to SELF-DIAGNOSTICS DTCS .
A/C-HEATER SYSTEMS DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action to Take |
|---|---|---|
| B1200 | Stuck Button | Button held too long may set DTC. ATTEMPT to clean buttons. If code returns, INSTALL a new DATC/EATC module. REFER to CLIMATE CONTROL . |
| B1251 | A/C In-Vehicle Temperature Sensor Open Circuit | Go to Pinpoint Test A . |
| B1253 | A/C In-Vehicle Temperature Sensor Circuit Short to Ground | Go to Pinpoint Test A . |
| B1255 | A/C Ambient Temperature Sensor Open Circuit | Go to Pinpoint Test B . |
| B1257 | A/C Ambient Temperature Sensor Circuit Short to Ground | Go to Pinpoint Test B . |
| B2427 | RH A/C Solar Radiation Sensor Circuit Short to Ground | Go to Pinpoint Test C . |
| B2426 | RH A/C Solar Radiation Sensor Open Circuit | Go to Pinpoint Test C . |
| B2795 | LH A/C Solar Radiation Sensor Circuit Short to Ground | Go to Pinpoint Test C . |
| B2796 | LH A/C Solar Radiation Sensor Open Circuit | Go to Pinpoint Test C . |
| B2826 | Evaporator Temperature Sensor Circuit Failure | Go to Pinpoint Test D . |
| B2827 | Evaporator Temperature Sensor Circuit Short to Ground | Go to Pinpoint Test D . |
| B1003 | Mode Door Short/Failure | Go to Pinpoint Test F . |
| B1676 | Battery Voltage Out of Range | Go to Pinpoint Test G . |
| B2266 | LH Blend Door Failure or Short | Go to Pinpoint Test L . |
| B2267 | RH Blend Door Failure or Short | Go to Pinpoint Test L . |
| B2268 | Steering Wheel Control Switch Open Circuit | Go to Pinpoint Test Q . |
| B2269 | Steering Wheel Control Switch Circuit Short to Ground | Go to Pinpoint Test Q . |
| B1342 | EATC Module Faulted | INSTALL a new DATC/EATC module. REFER to CLIMATE CONTROL . |