B1205

DTC B1205: Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE 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 B1205 indicated?

YES - Go to step 4.

NO - Intermittent failure, check for loose wires or poor connections on the gauge control module circuit.

4. Check for DTCs using the HDS.

IS DTC B1011, B1060, B1408, B1610, B1805, or B2160 indicated?

YES - Go to the gauge control module input test. Gauge Control Module Input Test

NO - The climate control unit is faulty, replace the audio-HVAC display panel.