( TF09E8HK711000Y2969FAAT00 )
DTC Troubleshooting: B2969
DTC B2969:
 Climate Control Unit Lost Communication with MICU (WIPSW 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 B2969 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 MICU 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.■