Diagnostic Trouble Code 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 (EATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| 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 EATC module. Refer to CLIMATE CONTROL article. |
| B1251 | In-Vehicle Temperature Sensor Open Circuit | Go to Pinpoint Test A . |
| B1253 | In-Vehicle Temperature Sensor Circuit Short to Ground | Go to Pinpoint Test A . |
| B1255 | Ambient Temperature Sensor Open Circuit | Go to Pinpoint Test B . |
| B1257 | Ambient Temperature Sensor Circuit Short to Ground | Go to Pinpoint Test B . |
| 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 . |
| B1242 | Air Inlet Door Short/Failure | Go to Pinpoint Test D . |
| B2266 | LH Blend Door Failure or Short | Go to Pinpoint Test J . |
| B2267 | RH Blend Door Failure or Short | Go to Pinpoint Test J . |
| B1003 | Mode Door Short/Failure | Go to Pinpoint Test E . |
| B2916 | Auxiliary Blend Door Failure | Go to Pinpoint Test Q . |
| B2917 | Auxiliary Mode Door Failure | Go to Pinpoint Test R . |
| B2918 | Auxiliary Temperature Input Circuit Open/Short to Ground | Go to Pinpoint Test Q . |
| B2919 | Auxiliary Blower Motor Speed Input Circuit Open/Short to Ground | Go to Pinpoint Test P . |
| B1342 | EATC Module Faulted | Install a new EATC module. Refer to CLIMATE CONTROL article. |
| B1676 | Battery Voltage Out of Range | Go to Pinpoint Test T . |