A/C-Heater System DTCS
DUAL AUTOMATIC TEMPERATURE CONTROL MODULE DTC INDEX
| DTC | DATC Module DTC Display | Description | Test |
|---|---|---|---|
| B1251 | 1251 | Air temperature internal sensor circuit open | A |
| B1253 | 1253 | Air temperature internal sensor circuit short to ground | B |
| B1255 | 1255 | Air temperature external sensor circuit open | C |
| B1257 | 1257 | Air temperature external sensor circuit short to ground | D |
| B1259 | 1259 | Solar radiation sensor circuit open | E |
| B1261 | 1261 | Solar radiation sensor circuit short to ground | 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 | G |
| B2267 | 2267 | Right side blend door circuit failure | H |
| B2267 and B2268 | 2267 and 2268 | Left side and right side blend door circuit failure | I |
| B2268 | 2268 | Steering wheel climate control circuit open | J |
| B2269 | 2269 | Steering wheel climate control circuit short to ground | K |
| B2477 | 2477 | Module configuration failure | RECONFIGURE the DATC module. REFER to MODULE CONFIGURATION |