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Climate Control System Electronic Automatic Temperature Control (EATC) DTCS

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

DTC Description Perform Test
B1200 Stuck button Button held too long may set DTC. Attempt to clean buttons. If code returns, INSTALL a new EATC module. Refer to CLIMATE CONTROL ASSEMBLY .
B1251 In-vehicle temperature sensor open circuit Go To PINPOINT TEST A: DTC B1251 OR DTC B1253 - A/C IN-VEHICLE TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND
B1253 In-vehicle temperature sensor circuit short to ground Go To PINPOINT TEST A: DTC B1251 OR DTC B1253 - A/C IN-VEHICLE TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND
B2795 LH A/C solar radiation sensor circuit short to ground Go To PINPOINT TEST B: DTC B2796, DTC B2795, DTC B2426 OR DTC B2427 - SOLAR RADIATION SENSOR OPEN CIRCUIT OR SHORT TO GROUND .
B2796 LH A/C solar radiation sensor open circuit Go To PINPOINT TEST B: DTC B2796, DTC B2795, DTC B2426 OR DTC B2427 - SOLAR RADIATION SENSOR OPEN CIRCUIT OR SHORT TO GROUND .
B2427 RH A/C solar radiation sensor circuit short to ground Go To PINPOINT TEST B: DTC B2796, DTC B2795, DTC B2426 OR DTC B2427 - SOLAR RADIATION SENSOR OPEN CIRCUIT OR SHORT TO GROUND
B2426 RH A/C solar radiation sensor open circuit Go To PINPOINT TEST B: DTC B2796, DTC B2795, DTC B2426 OR DTC B2427 - SOLAR RADIATION SENSOR OPEN CIRCUIT OR SHORT TO GROUND
B1242 Air inlet door short/failure Go To PINPOINT TEST C: DTC B1242 AIR INLET DOOR FAILURE
B2266 LH blend door failure or short Go To PINPOINT TEST J: DTC B2266 OR B2267: TEMPERATURE BLEND DOOR OPEN/SHORT TO GROUND / TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY .
B2267 RH blend door failure or short Go To PINPOINT TEST J: DTC B2266 OR B2267: TEMPERATURE BLEND DOOR OPEN/SHORT TO GROUND / TEMPERATURE CONTROL IS INOPERATIVE/DOES NOT OPERATE CORRECTLY .
B1263 Floor/defrost/panel door short/failure Go To PINPOINT TEST D: DTC B1263 MODE DOOR FAILURE / INCORRECT/ERRATIC DIRECTION OF AIRFLOW FROM OUTLET(S) .
B1342 EATC module faulted Install a new EATC module. Refer to CLIMATE CONTROL ASSEMBLY .
B2477 EATC module configuration error Install a new EATC module Refer to CLIMATE CONTROL ASSEMBLY .