Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index
DIAGNOSTIC TROUBLE CODE CHART ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | EATC (On Demand) Self-Test Faults | EATC (Continuous) Run-Time Faults | Description | Action to Take |
|---|---|---|---|---|
| B2266 | 024 | 025 | Blend door failure or short | Go To PINPOINT TEST A: DTC B2266 - BLEND DOOR FAILURE OR SHORT . |
| B1251 | 031 | N/A | A/C in-car temperature sensor open circuit | Go To PINPOINT TEST B: DTC B1251 OR DTC1253 - A/C IN-CAR TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1253 | 030 | N/A | A/C in-car temperature sensor short to ground | Go To PINPOINT TEST B: DTC B1251 OR DTC1253 - A/C IN-CAR TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1255 | 041 | 043 | A/C 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 | 040 | 042 | A/C 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 | N/A | N/A | A/C solar radiation sensor circuit open | Go To PINPOINT TEST D: DTC B1259 OR DTC B1261 - SOLAR RADIATION SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1261 | 050 | 052 | 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 . |
| U1073 | N/A | - | SCP invalid or missing data for engine coolant | Refer to the INTRODUCTION article in ENGINE PERFORMANCE . |
| U1341 | N/A | N/A | SCP invalid data for vehicle speed | Refer to the INTRODUCTION article in ENGINE PERFORMANCE . |