DTC Descriptor
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
- DTC B2B28
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HVAC Temp Motor - Front 1 Out Of Range High
- DTC B2B29
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HVAC Temp Motor - Front 1 Out Of Range Low
- DTC B2B2A
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HVAC Temp Motor - Front 1 Data Message Counter Incorrect
For symptom byte information, refer to Symptom Byte List .