DTC B1205: Front Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE message); DTC B1206: Front Climate Control Unit Lost Communication with Gauge Control Module (ENGTEMP message); DTC B1207: Front Climate Control Unit Lost Communication with Gauge Control Module (ILLUMI message)
- Push the AUTO button.
Does the climate control turn on?
YES - Go to step 2.
NO - Go to FRONT CLIMATE CONTROL UNIT POWER AND GROUND CIRCUITS TROUBLESHOOTING (see ).
- Turn the ignition switch to LOCK (0), then turn to ON (II).
- Turn the climate control system on and operate several functions (A/C ON/OFF, air mix and blend door operations, temperature settings etc.).
- Check for DTCs using the HDS.
Is DTC indicated?
YES -
- DTC B1205 indicated: go to step 5.
- DTC B1206 or B1207 indicated: go to step 6.
NO - Intermittent failure, the gauge control module and front climate control unit are OK at this time.
- Check for DTCs using the HDS.
Is DTC B1060 indicated?
YES - Do the gauge control module self-diagnostic mode (see SELF-DIAGNOSTIC FUNCTION ).
NO - The front climate control unit is faulty, replace the front climate control unit.
- Disconnect the front climate control unit 30P connector.
- Remove the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).
- Check for continuity between the No. 7 terminal of the front climate control unit 30P connector and the No. 25 terminal of the gauge control module connector A (30P).Fig 1: Identifying Continuity Between No. 7 Terminal And No. 25 Terminal Of Gauge Control Module Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES - Check for loose wire or poor connections at the front climate control unit 30P connector and at the gauge control module connector A (30P). If the connections are good, substitute a known-good front climate control unit and/or gauge control module, and recheck. If the symptom/indication goes away, replace the original front climate control unit and/or gauge control module.
NO - Repair open in the wire between the front climate control unit and the gauge control module.