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

NOTE: Some PCM DTCs may inhibit air conditioning (A/C) operation. If any PCM DTCs are retrieved, diagnose those first. See INTRODUCTION - GASOLINE article .
DIAGNOSTIC TROUBLE CODE

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 .
B2267 2267 N/A (RH) upper blend door failure or short GO to PINPOINT TEST A .
B1251 1251 N/A A/C in-vehicle temperature sensor open circuit GO to PINPOINT TEST B .
B1253 1253 N/A A/C in-vehicle temperature sensor circuit short to ground GO to PINPOINT TEST B .
B1255 1255 N/A A/C ambient temperature sensor open circuit GO to PINPOINT TEST C .
B1257 1257 N/A A/C ambient temperature sensor circuit short to ground GO to PINPOINT TEST C .
B1259 1259 N/A A/C solar radiation sensor open circuit GO to PINPOINT TEST D .
B1261 1261 N/A A/C solar radiation sensor circuit short to ground GO to PINPOINT TEST D .
B2268 2268 N/A Steering wheel control switch open circuit GO to PINPOINT TEST E .
B2269 2269 N/A Steering wheel control switch circuit short to ground GO to PINPOINT TEST E .
B2411 2411 Navigator Only A/C humidity sensor open circuit GO to PINPOINT TEST F .
B2412 2412 Navigator Only A/C humidity sensor circuit short to ground GO to PINPOINT TEST F .
B2413 2413 Navigator Only A/C humidity sensor failure GO to PINPOINT TEST F .
B2477 N/A N/A Module not configured Configure DATC module.