DTC B2991 Acura
Climate Control Unit Lost Communication with Audio Unit
Climate Control Unit Lost Communication with Audio Unit
Description
Poor communication between the Climate Control Unit and the Audio Unit. NOTE: Do the self-diagnostic function with the HDS.
Cause and Solution
Loose wires or poor connections on the rear climate control panel and climate control unit circuit
Open or Short in the wire(s) between the climate control unit and the audio unit.
Faulty Audio Unit
Video Guide
Diagnostic Info
- DTC Code: B2991
- Brand: Acura