Dual Automatic Temperature Control Module 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.
DUAL AUTOMATIC TEMPERATURE CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX
| DTC Diagnostic Tool Display |
DTC DATC Module Display |
Description | Action |
|---|---|---|---|
| B1251 | 1251 | Air temperature internal sensor circuit open | Go To PINPOINT TEST A . |
| B1253 | 1253 | Air temperature internal sensor circuit short to ground | Go To PINPOINT TEST B . |
| B1255 | 1255 | Air temperature external sensor circuit open | Go To PINPOINT TEST C . |
| B1257 | 1257 | Air temperature external sensor circuit short to ground | Go To PINPOINT TEST D . |
| B1259 | 1259 | Solar radiation sensor circuit open | Go To PINPOINT TEST E . |
| B1261 | 1261 | Solar radiation sensor circuit short to ground | Go To PINPOINT TEST F . |
| B1342 | - | ECU is defective | INSTALL a new DATC module. |
| B1676 | 1676 | Battery voltage out of range | CHECK circuit 729 (RD/WH) for a fault. If okay, REFER to GENERATORS & REGULATORS to diagnose the charging system fault. |
| B2266 | 2266 | Left side blend door circuit failure | Go To PINPOINT TEST G . |
| B2267 | 2267 | Right side blend door circuit failure | Go To PINPOINT TEST H . |
| B2267 and B2268 | 2267 and 2268 | Left side and right side blend door circuit failure | Go To PINPOINT TEST I . |
| B2268 | 2268 | Steering wheel climate control circuit open | Go To PINPOINT TEST J . |
| B2269 | 2269 | Steering wheel climate control circuit short to ground | Go To PINPOINT TEST K . |
| B2477 | 2477 | Module configuration failure | RECONFIGURE the DATC module. REFER to MODULE CONFIGURATION . |