B1206

DTC B1206: Climate Control Unit Lost Communication with the Gauge Control Module (ECT messages)

1. Push the AUTO button.

Does the climate control turn on?

YES - Go to step 2.

NO - Go to climate control power and ground circuits troubleshooting.

2. Clear the DTCs using the HDS.
3. Turn the ignition switch OFF then ON.
4. Turn the climate control system on and operate several functions (A/C on/off, air mix and blend door operations, temperature settings etc.)
5. Check the DTCs by selecting the DTCs MENU (DTCs) from the HDS.

Is DTC B1205 B1206 and/or B1207 indicated?

YES - Go to step 6.

NO - Intermittent failure, the gauge control module and audio HVAC display panel are ok at this time.

6. Check the DTCs by selecting the DTCs MENU (DTCs) from the HDS.

Is DTC B1008 B1060 and/or B1061 indicated?

YES - Perform the gauge control module self test procedure.

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