B1207

DTC Troubleshooting: B1205 (Vehicle speed error), B1205 (ENGNe error), B1206 (TW sensor error), B1207, B1208

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 (coolant temp message)

DTC B1207:

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

DTC B1208:

Climate Control Unit Lost Communication with Keyless Access Control Unit (FOB_ID frame)

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 back to ON (II).

3. Wait for 6 seconds or more.

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

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 B-CAN lines between the gauge control module circuit.

6. Clear for DTC with 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 Component Tests and General Diagnostics.

NO -

The climate control unit is faulty, replace the climate control unit.