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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 376 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> DTC B12CC, B1338, B1339, or B133A >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.

B12CC:16, B1338:16, B1339:16, B133A:16 

The front seat heater control module detects low voltage on a thermistor signal circuit.

B12CC:17, B1338:17, B1339:17, B133A:17 

The front seat heater control module detects high voltage on a thermistor signal circuit.

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