Heater & Air Conditioning Control System DTCS
HEATER & AIR CONDITIONING CONTROL SYSTEM DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| U1000 | CAN COMM CIRCUIT |
| U1010 | CONTROL UNIT (CAN) |
| B257B | AMB TEMP SEN (SHORT) |
| B257C | AMB TEMP SEN (OPEN) |
| B2578 | IN CAR SENSOR (OUT OF RANGE [LOW]) |
| B2579 | IN CAR SENSOR (OUT OF RANGE [HI]) |
| B2581 | EVAP TEMP SEN (SHORT) |
| B2582 | EVAP TEMP SEN (OPEN) |
| B2630 | SUNLOAD SEN (SHORT) |
| B2631 | SUNLOAD SEN (OPEN) |
| B2632 | DR AIRMIX ACTR (SHORT) |
| B2633 | DR AIRMIX ACTR (OPEN) |
| B2634 | PASS AIRMIX ACTR (SHORT) |
| B2635 | PASS AIRMIX ACTR (OPEN) |
| B2636 | DR VENT DOOR FAIL |
| B2637 | DR B/L DOOR FAIL |
| B2638 | DR D/F1 DOOR FAIL |
| B2639 | DR DEF DOOR FAIL |
| B263D | FRE DOOR FAIL |
| B263E | 20P FRE DOOR FAIL |
| B263F | REC DOOR FAIL |
| B2654 | D/F2 DOOR FAIL |
| B2655 | B/L2 DOOR FAIL |