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Home >> Honda >> 2021 >> Pilot EX, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC Diagnostics (5 Of 6) >> DTC Troubleshooting >> DTC P16E4
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DTC P16E4

DTC P16E4  : ACG High-temperature

NOTE: 

DTC Description Confirmed DTC Pending DTC Freeze Frame
P16E4 ACG High-temperature      

DTC (PGM-FI)

  1. Problem verification

    - 1. If the temperature of the engine and the alternator is high, open the hood to cool the engine compartment.

    - 2. Turn the vehicle to the ON mode.

    - 3. Clear the DTC with the HDS.

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

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    P16E4 ACG High-temperature      

    Is DTC P16E4 indicated?

    YES 

    The failure is duplicated. Replace the alternator .

    NO 

    Intermittent failure, the system is OK at this time. Check the cause of the high temperature, and repair it.

    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 - Refer to: How to Troubleshoot the Fuel and Emissions Systems .