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Home >> Acura >> 2003 >> MDX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Performance System Self-Diagnostics >> Diagnostic Tests >> DTC P2118: Throttle Actuator Control Module Range/Performance Problem
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DTC P2118: Throttle Actuator Control Module Range/Performance Problem

CAUTION: When substituting or replacement of PCM is recommended, see PCM REMOVAL & REPLACEMENT  for important precautions.
  1. Turn ignition on. Using Honda PGM Tester or the HDS, do the DTC CLEAR in the CLEAR menu.
  2. Press accelerator several times. Check for Temporary DTCs or DTCs in the DTC menu. If DTC P2118 is set, go to next step. If DTC P2118 is not set, problem is intermittent. System is OK at this time. Check for poor connections or loose terminals at throttle actuator control module and PCM.
  3. Turn ignition off. Replace throttle body assembly. Turn ignition on. Using Honda PGM Tester or the HDS, do the PCM RESET in the CLEAR menu. Do the PCM idle learn procedure. See PCM IDLE LEARN PROCEDURE  . Go to next step.
  4. Check for Temporary DTCs or DTCs in the DTC menu. If DTC P2118 is set, update the PCM if it does not have the latest software, or substitute a known-good PCM. Do the PCM idle learn procedure. See PCM IDLE LEARN PROCEDURE  . If DTC P2118 is not set, troubleshooting is done.
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