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Home >> Acura >> 2014 >> MDX SH-AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System - DTC Diagnostics (5 Of 5) (Except Hybrid) >> DTC Troubleshooting >> DTC U0029 (PGM-FI System (Without CAN Gateway))

DTC U0029 (PGM-FI System (Without CAN Gateway))

DTC U0029  : F-CAN Malfunction (BUS-OFF (PCM))

DTC Description Confirmed DTC Pending DTC Freeze Frame
U0029 F-CAN Malfunction (BUS-OFF (PCM))      

DTC (PGM-FI)

  1. Problem verification

    -1. Press the engine start/stop button to select the ON mode.

    - 2. Clear the DTC with the HDS.

    - 3. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    U0029 F-CAN Malfunction (BUS-OFF (PCM))      

    Is DTC U0029 indicated?

    YES 

    The failure is duplicated. Update the PCM if it does not have the latest software, or substitute a known-good PCM - Refer to: PCM Removal and Installation (2014 2015), or PCM Removal and Installation (2016) .

    NO 

    Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.