2004 Acura TL StandardFACTORY OEM SERVICE PROCEDURE

DTC P2108: Throttle Actuator Control Module Problem

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
  1. Turn the ignition switch ON (II).
  2. Clear the DTC with the HDS
  3. Turn the ignition switch OFF.
  4. Turn the ignition switch ON (II).
  5. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC P2108 indicated? 

    1. YES  - Substitute a known-good throttle actuator control module (see THROTTLE ACTUATOR CONTROL MODULE REPLACEMENT ), and recheck. If DTC P2108 is not indicated, (see THROTTLE ACTUATOR CONTROL MODULE REPLACEMENT  ).
    2. NO  - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the throttle body, the throttle actuator control module, and the ECM/PCM.
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When to See a Mechanic

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

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

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