Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index

ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC	EATC (Hard) Self-Test Faults	EATC (Intermittent) 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 SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV .
U1341	N/A	N/A	SCP invalid data for vehicle speed	Refer to the SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV .