B1206

DTC Troubleshooting: B1205 (AUTO), B1206 (AUTO), B1207 (AUTO)

DTC B1205:

Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE message)

DTC B1206 or DTC indicator AUTO:

Climate Control Unit Lost Communication with Gauge Control Module (ECT message)

DTC B1207:

Climate Control Unit Lost Communication with Gauge Control Module (ILLUMI message)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in the B-CAN system diagnosis test mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Wait for 6 seconds or more.

4. Do the self-diagnostic function with the HDS or the climate control unit.

5. Check for DTCs.

Are DTCs B1205, and/or B1206 or AUTO, and/or B1207 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, check for loose wires or poor connections in the climate control unit connector A (40P).�

6. Check for DTCs using the HDS.

Are any of the following DTCs indicated; B1011, B1060,B2160, B1357, B1805, B1408, or B2157?

YES -

Do the gauge control module input test Gauge Control Module Input Test.�

NO -

Do the climate control unit troubleshooting Testing and Inspection.�