DTC U0029: F-CAN Communication Line Error (Gauge Control Module)

DTC (Gauge Control Module)

NOTE:  Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information - Refer to: How to Troubleshoot the Fuel and Emissions Systems (2014-15) or How to Troubleshoot the Fuel and Emissions Systems (2017) .

1. Problem verification

   -1. Clear the DTCs with the HDS.

   - 2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

   - 3. Wait for at least 6 seconds.

   - 4. Check for DTCs with the HDS.

   DTC Description	DTC
   U0029 F-CAN communication line error

   Is DTC U0029 indicated?

   YES 

   The failure is duplicated. Go to the troubleshooting for CAN gateway system DTC (s) - Refer to: Communication Systems DTC Troubleshooting Index (2014) or Communication Systems DTC Troubleshooting Index (2015) or Communication Systems DTC Troubleshooting Index (2017) .

   NO 

   Intermittent failure, the system is OK at this time.