2021 Acura TLX BaseFACTORY OEM SERVICE PROCEDURE

DTC Troubleshooting: P2108 (2.0L Engine): Notes

DTC P2108Β  : Throttle Actuator Control Module Performance

How to use this manual .

NOTICE:Β 

Before you troubleshoot, review the How to Troubleshoot - Refer to: How to Troubleshoot the Fuel and Emissions Systems (2.0L Engine) or How to Troubleshoot the Fuel and Emissions Systems (3.0L Engine) .

NOTE:
  • Troubleshoot the following DTCs first, if stored at the same time.
    • ETCS Control Relay [PGM-FI]: DTC P1658Β , P1659Β .
  • If DTC P2108 is indicated alone, do the troubleshooting for DTC P1658 and P1659 using the on-board snapshot for P2108.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.