DTC U0155: Climate Control Unit Lost Communication With Gauge Control Module
WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A. (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
)
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0), and then ON (II).
- Do the self-diagnostic with the HDS (see HOW TO USE THE HDS TO CHECK FOR DTCS ).
- Check for DTCs.
Is DTC U0155 indicated?
YES - Go to step 5.
NO - The system is OK at this time. Check for loose wires or poor connections on the gauge control module and climate control unit circuit. ■
- Select UNIT INFORMATION in the BODY ELECTRICAL menu.
- Select CONNECTED UNIT in the UNIT INFORMATION menu.
Is the 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 (see CLIMATE CONTROL UNIT REMOVAL/INSTALLATION ). ■
NO - Go to step 7
- Disconnect the gauge control module 32P connector.
- Disconnect climate control unit connector A (36P).
- Check for continuity between the following terminals of the gauge control module 32P connector and climate control unit connector A (36P).
32P: 36P:
No. 19 No. 36
No. 20 No. 35
Is there continuity?
YES - Go to GAUGE CONTROL MODULE INPUT TEST ). ■
NO - Repair open in the wire between the climate control unit and the gauge control module. ■