( TF09E8HK711000Y1205FAAT00 )
DTC Troubleshooting: B1205 (B), B1206 (C), B1207
DTC B1205 or DTC indicator B:
 Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE message)
DTC B1206 or DTC indicator C:
 Climate Control Unit Lost Communication with Gauge Control Module (ECT message)
DTC B1207 or DTC indicator D:
 Climate Control Unit Lost Communication with Gauge Control Module (ILLUMI message)
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch to LOCK (0), and then to ON (II).
  1. Check the DTCs.
Is DTC B1205 or B, and/or B1206 or C, and/or B1207 or D indicated?
YES -
Go to Step 5 .
NO -
Intermittent failure, check for loose wires or poor connections on the gauge control module and climate control unit circuit.■
  1. Select UNIT INFORMATION in the BODY ELECTRICAL menu.
  1. Select CONNECTED UNIT in the UNIT INFORMATION menu.
Is gauge control module detected?
YES -
Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit .■
NO -
Go to Step 7 .
  1. Disconnect under-dash fuse/relay box connector Q (16P).
  1. Disconnect the gauge control module 32P connector.
  1. Check for continuity between under-dash fuse/relay box connector Q (16P) No. 3 terminal and the gauge control module 32P connector No. 18 terminal.
Is there continuity?
YES -
NO -
Repair open in the wire between the MICU and the gauge control module.■