Throttle Control Motor Circuit Short Bank 1


Table of contents

P2118 INFINITI Possible Causes

  • Faulty Electric Throttle Control (ETC) Actuator (Throttle Control Motor)
  • Electric Throttle Control (ETC) Actuator harness is open or shorted
  • Electric Throttle Control (ETC) Actuator circuit poor electrical connection

How do I fix code P2118 INFINITI?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the P2118 INFINITI code

  The cost of diagnosing the P2118 INFINITI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected

  Engine Control Module (ECM) detects short in both circuits between ECM and throttle control motor.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P2118 INFINITI Description

  The Throttle Control Motor is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve. The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feedback to the ECM to control the throttle control motor to make the throttle valve opening angle properly in response to driving condition.

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