A/C-Heater Systems DTCS
DUAL ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (DATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action to Take |
|---|---|---|
| B1242 | Recirculation door actuator circuit failure | GO to PINPOINT TEST C . |
| B1251 | In-vehicle temperature sensor circuit open | GO to PINPOINT TEST D . |
| B1253 | In-vehicle temperature sensor circuit short to ground | GO to PINPOINT TEST D . |
| B1255 | Ambient air temperature sensor open | GO to PINPOINT TEST F . |
| B1257 | Ambient air temperature sensor short to ground | GO to PINPOINT TEST F . |
| B1259 | A/C solar radiation sensor open circuit | GO to PINPOINT TEST G . |
| B1261 | A/C solar radiation sensor circuit short to ground | GO to PINPOINT TEST G . |
| B1262 | Defrost door actuator circuit failure | GO to PINPOINT TEST C . |
| B1263 | Panel door actuator circuit failure | GO to PINPOINT TEST C . |
| B1264 | Floor door actuator circuit failure | GO to PINPOINT TEST C . |
| B1265 | Cold air bypass door actuator circuit failure | Invalid code. Vehicle not equipped with cold air bypass door actuator. Ignore this code and continue diagnostics. |
| B1342 | ECU defective | INSTALL a new DATC module. |
| B1676 | Battery voltage out of range | - |
| B1946 | Evaporator discharge temperature sensor open circuit | GO to PINPOINT TEST E . |
| B1947 | Evaporator discharge temperature sensor circuit short to ground | GO to PINPOINT TEST E . |
| B1966 | Driver heater core discharge temperature sensor open circuit | GO to PINPOINT TEST E . |
| B1967 | Driver heater core discharge temperature sensor short circuit | GO to PINPOINT TEST E . |
| B2428 | Passenger heater core discharge temperature sensor open circuit | GO to PINPOINT TEST E . |
| B2429 | Passenger heater core discharge temperature sensor short circuit | GO to PINPOINT TEST E . |
| B2477 | Module configuration failure | RECONFIGURE the DATC module. |
| B2797 | Driver coolant control valve open circuit | GO to PINPOINT TEST J . |
| B2798 | Driver coolant control valve circuit short to ground | GO to PINPOINT TEST H . |
| B2799 | Passenger coolant control valve open circuit | GO to PINPOINT TEST J . |
| B2800 | Passenger coolant control valve circuit short to ground | GO to PINPOINT TEST H . |
| U1041 | SCP invalid or missing data for function read vehicle speed | See INTRODUCTION - GASOLINE article . |
| U1073 | SCP invalid or missing data for engine coolant | See INTRODUCTION - GASOLINE article . |
| U1027 | SCP invalid or missing data for engine RPM | See INTRODUCTION - GASOLINE article . |
| U1178 | SCP invalid or missing data for voice command | This code will only appear if the vehicle is equipped with voice command. |
| U1222 | SCP invalid or missing data for interior lamps | - |