B1205

DTC Troubleshooting: B1205, B1206, B1207, B1208, Vehicle speed error, ENGNe error, or TW sensor error is indicated

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

DTC B1206 or TW sensor error is indicated:Climate Control Unit Lost Communication with Gauge Control Module (ECT message)

DTC B1207: Climate Control Unit Lost Communication with Gauge Control Module (ILLUMI message)

DTC B1208: Climate Control Unit Lost Communication with Keyless Access Control Unit (FOB ID message)

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

1. Clear the DTC with the HDS.

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

3. Wait for 6 seconds or more.

4. Do the self-diagnostic with the HDS Initial Inspection and Diagnostic Overview or the climate control unit. Initial Inspection and Diagnostic Overview

5. Check for DTCs.

Is DTC B1205 or Vehicle speed error/ENGNe error, and/or B1206 or TW sensor error, and/or B1207, and/or B1208 indicated?
YES - Go to step 6.

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


6. Clear for DTC using the HDS.

Is DTC B1011, B1060, B1408, B1610, B1805 and/or B2160, and/or B1207 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.