DTC Indicator 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 B-can diagnosis test mode A.

1. Clear the DTC with the HDS.
2. Turn the ignition switch to LOCK (0), and then ON (II).
3. Wait for 6 seconds or more.
4. Do the self-diagnostic with the HDS or climate control unit.
5. Check the 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 on 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.

NO - Do the climate control unit troubleshooting.