B1205

DTC B1205 or Vehicle speed error is indicated.
Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE message)

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 with the HDS.
2. Operate the climate control system in several modes.
3. Check for DTCs using the HDS or self-diagnostic.

Is DTC B1205 or Vehicle speed error/ENGNe error indicated?

YES - Go to step 4.

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

4. Clear for DTC using the HDS.

Is DTC B1011, B1060, B1408, B1610, B1805 and/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 climate control unit.