Dual Automatic Temperature Control (DATC) Module Diagnostic Trouble Code (DTC) Index
DUAL AUTOMATIC TEMPERATURE CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX
| DTC | DATC Self-Test Faults | Description | Action to take |
|---|---|---|---|
| B2266 | 2266 | Driver side blend door failure or short | Go To PINPOINT TEST A: DTC B2266 OR DTC B2267 - BLEND DOOR FAILURE OR SHORT . |
| B2267 | 2267 | Passenger side blend door failure or short | Go To PINPOINT TEST A: DTC B2266 OR DTC B2267 - BLEND DOOR FAILURE OR SHORT . |
| B1251 | 1251 | In-vehicle temperature sensor open circuit | Go To PINPOINT TEST B: DTC B1251 OR DTC B1253 - A/C IN-VEHICLE TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1253 | 1253 | In-vehicle temperature sensor short to ground | Go To PINPOINT TEST B: DTC B1251 OR DTC B1253 - A/C IN-VEHICLE TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1255 | 1255 | Ambient temperature sensor open circuit | Go To PINPOINT TEST C: DTC B1255 OR DTC B1257 - A/C AMBIENT TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1257 | 1257 | Ambient temperature sensor short to ground | Go To PINPOINT TEST C: DTC B1255 OR DTC B1257 - A/C AMBIENT TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1259 | 1259 | A/C solar radiation sensor open circuit | Go To PINPOINT TEST D: DTC B1259 OR DTC B1261 - SOLAR RADIATION SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1261 | 1261 | A/C solar radiation sensor circuit short to ground | Go To PINPOINT TEST D: DTC B1259 OR DTC B1261 - SOLAR RADIATION SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1242 | 1242 | Recirc door short/failure | Go To PINPOINT TEST E: DTC B1242- RECIRCULATION DOOR FAILURE . |
| B1263 | 1263 | Panel/defrost door short/failure | Go To PINPOINT TEST F: DTC B1263 OR DTC B1264- PANEL/DEFROST OR FLOOR DOOR FAILURE . |
| B1264 | 1264 | Floor door short/failure | Go To PINPOINT TEST F: DTC B1263 OR DTC B1264- PANEL/DEFROST OR FLOOR DOOR FAILURE . |
| B2268 | 2268 | Steering wheel auxiliary control switch open circuit | Go To PINPOINT TEST G: DTC B2268 OR DTC B2269 - STEERING WHEEL AUXILIARY CONTROL SWITCH OPEN CIRCUIT OR SHORT TO GROUND . |
| B2269 | 2269 | Steering wheel auxiliary control switch circuit short to ground | Go To PINPOINT TEST G: DTC B2268 OR DTC B2269 - STEERING WHEEL AUXILIARY CONTROL SWITCH OPEN CIRCUIT OR SHORT TO GROUND . |
| U1040 | 1040 | SCP invalid or missing data for function read vehicle speed | If DTCs are present in the instrument cluster, diagnose those codes first. Clear the DTCs. If the EATC DTC returns, INSTALL a new EATC module. Refer to AIR DISTRIBUTION & FILTERING
. TEST the system for normal operation. If no DTCs are present in the instrument cluster, clear the DTCs. If the EATC DTC returns, INSTALL a new EATC module. Refer to AIR DISTRIBUTION & FILTERING . TEST the system for normal operation. |
| U1073 | N/A | SCP invalid or missing data for engine coolant | If DTCs are present in the instrument cluster, diagnose those codes first. Clear the DTCs. If the EATC DTC returns, INSTALL a new EATC module. Refer to AIR DISTRIBUTION & FILTERING
. TEST the system for normal operation. If no DTCs are present in the instrument cluster, clear the DTCs. If the EATC DTC returns, INSTALL a new EATC module. Refer to AIR DISTRIBUTION & FILTERING . TEST the system for normal operation. |
| U1112 | 1112 | SCP invalid or missing data for interior lamps | GO to INTERIOR LIGHTING to continue diagnosis. |
| B1342 | 1342 | Module faulted | Button held too long may set DTC. Attempt to clean buttons. If code returns, INSTALL a new EATC module. REFER to CONTROL COMPONENTS . |
| B1200 | 1200 | Stuck button | INSTALL a new EATC module. REFER to CONTROL COMPONENTS . |
| B2477 | 2477 | Module not configured - LHD only | INSTALL a new EATC module. REFER to CONTROL COMPONENTS . |
| B1676 | 1676 | Voltage out of range | Go To PINPOINT TEST H: NO COMMUNICATION WITH THE DUAL AUTOMATIC TEMPERATURE CONTROL MODULE . |