Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index
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 MODULE DIAGNOSTIC TROUBLE CODE 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 CONTROL COMPONENTS . |
| 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 CONTROL COMPONENTS . |
| B2477 | 2477 | EATC module configuration error | INSTALL a new EATC module. REFER to CONTROL COMPONENTS . |