Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index
NOTE:
Some PCM DTCs may inhibit air conditioning (A/C) operation. If any PCM DTCs are retrieved, diagnose those first. REFER to
INTRODUCTION - GASOLINE
.
NOTE:
All DTCs can be retrieved as an on-demand (hard fault) or continuous (intermittent fault) fault. If a continuous (intermittent) fault, the degrees Celsius symbol (°C) will be displayed in addition to the DTCs.
ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC EATC | DTC displayed | Description | Action to Take |
|---|---|---|---|
| B1200 | 9200 | Stuck Button | Button held too long may set DTC. Attempt to clean buttons. If code returns, INSTALL a new EATC module. REFER to CLIMATE CONTROL . |
| B1251 | 9251 | In-Vehicle Temperature Sensor Open Circuit | GO to PINPOINT TEST A . |
| B1253 | 1253 | In-Vehicle Temperature Sensor Circuit Short to Ground | GO to PINPOINT TEST A . |
| B2795 | 2795 | LH A/C Solar Radiation Sensor Circuit Short to Ground | GO to PINPOINT TEST B . |
| B2796 | 2796 | LH A/C Solar Radiation Sensor Open Circuit | GO to PINPOINT TEST B . |
| B2427 | 2427 | RH A/C Solar Radiation Sensor Circuit Short to Ground | GO to PINPOINT TEST B . |
| B2426 | 2426 | RH A/C Solar Radiation Sensor Open Circuit | GO to PINPOINT TEST B . |
| B1242 | 1242 | Air Inlet Door Short/Failure | GO to PINPOINT TEST C . |
| B2266 | 2266 | LH Blend Door Failure or Short | GO to PINPOINT TEST J . |
| B2267 | 2267 | RH Blend Door Failure or Short | GO to PINPOINT TEST J . |
| B1263 | 1263 | Floor/Defrost/Panel Door Short/Failure | GO to PINPOINT TEST D . |
| B1342 | 1342 | EATC Module Faulted | INSTALL a new EATC module. REFER to CLIMATE CONTROL . |
| B2477 | 2477 | EATC Module Configuration Error | INSTALL a new EATC module. REFER to CLIMATE CONTROL . |