DTC B1251, B1253, B1274, B1275, B1282, B1283, B1947, B2014 (MULTIPLE DTCS INDICATED)

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DTC B1251, B1253, B1274, B1275, B1282, B1283, B1947, B2014 (MULTIPLE DTCS INDICATED)

B3E070201038W03

DTC B1251, B1253, B1947, B2014, B1282, B1283, B1274, B1275 | Climate control unit (+5 V power supply or sensor ground) system
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POSSIBLE CAUSE | • Open circuit in wiring harnesses between climate control unit and each temperature sensor, air mix actuator, or airflow mode actuator

Diagnostic Procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | • Disconnect the climate control unit connector and the evaporator temperature sensor connector. • Is there an open circuit in the wiring harness between climate control unit terminal U and evaporator temperature sensor terminal A? | Yes | Repair the wiring harness.
No | The system is normal at present. (Clear the past malfunction from the memory.)