B1206
DTC B1206: Climate Control Unit Lost Communication with Gauge Control Module (ECT messages)NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A.
1. Clear the DTC by turning the ignition switch OFF, and then ON (II).
2. Operate the climate control system in several modes.
3. Check for DTCs using the HDS.
Is DTC B1206 indicated?
YES - The audio-HVAC display panel is faulty, replace the audio-HVAC display panel.
NO - Intermittent failure, check for loose wires or poor connections on the gauge control module circuit.