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

WARNING: This page is about a different car, the 2003 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC TROUBLE CODE INDEX

DTC	DATC/EATC	DTC displayed Notes	Description	Action to Take
B2266	2266	N/A	(LH) lower blend door failure or short	GO to PINPOINT TEST A: DTC B2266 OR DTC B2267 - BLEND DOOR FAILURE OR SHORT .
B2267	2267	DATC Only	(RH) upper blend door failure or short	GO to PINPOINT TEST A: DTC B2266 OR DTC B2267 - BLEND DOOR FAILURE OR SHORT .
B1251	1251	N/A	A/C in-vehicle temperature sensor open circuit	GO to PINPOINT TEST B: DTC B1251 OR DTC1253 - A/C IN-VEHICLE TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND .
B1253	1253	N/A	A/C in-vehicle temperature sensor circuit short to ground	GO to PINPOINT TEST B: DTC B1251 OR DTC1253 - A/C IN-VEHICLE TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND .
B1255	1255	N/A	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	1257	N/A	A/C ambient temperature sensor circuit 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	N/A	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	N/A	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 .
B2268	2268	N/A	Steering wheel control switch open circuit	GO to PINPOINT TEST E: DTC B2268 OR DTC B2269 - STEERING WHEEL CONTROL SWITCH OPEN CIRCUIT OR SHORT TO GROUND .
B2269	2269	N/A	Steering wheel control switch circuit short to ground	GO to PINPOINT TEST E: DTC B2268 OR DTC B2269 - STEERING WHEEL CONTROL SWITCH OPEN CIRCUIT OR SHORT TO GROUND .
B2411	2411	DATC Only	A/C humidity sensor open circuit	GO to PINPOINT TEST F: DTC B2411, DTC B2412 OR DTC B2413 - A/C HUMIDITY SENSOR OPEN CIRCUIT, SHORT TO GROUND .
B2412	2412	DATC Only	A/C humidity sensor circuit short to ground	GO to PINPOINT TEST F: DTC B2411, DTC B2412 OR DTC B2413 - A/C HUMIDITY SENSOR OPEN CIRCUIT, SHORT TO GROUND .
B2413	2413	DATC Only	A/C humidity sensor failure	GO to PINPOINT TEST F: DTC B2411, DTC B2412 OR DTC B2413 - A/C HUMIDITY SENSOR OPEN CIRCUIT, SHORT TO GROUND .
B2477	N/A	N/A	Module not configured	Configure DATC/EATC module.