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

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 .
B1251 031 N/A A/C in-car temperature sensor open circuit Go to PINPOINT TEST B .
B1253 030 N/A A/C in-car temperature sensor short to ground Go to PINPOINT TEST B .
B1255 041 043 A/C ambient temperature sensor open circuit Go to PINPOINT TEST C .
B1257 040 042 A/C ambient temperature sensor short to ground Go to PINPOINT TEST C .
B1259 N/A N/A A/C solar radiation sensor circuit open Go to PINPOINT TEST D .
B1261 050 052 A/C solar radiation sensor circuit short to ground Go to PINPOINT TEST D .
U1073 N/A   SCP invalid or missing data for engine coolant REFER to the INTRODUCTION - GASOLINE article .
U1341 N/A N/A SCP invalid data for vehicle speed REFER to the INTRODUCTION - GASOLINE article .