Fix P2118: STEP-BY-STEP diagnostic GUIDE!

The P2118: Throttle Actuator Control Motor Current Range/Performance refers to a problem with the throttle actuator control motor, where its current is either outside of the expected range or its performance is affected. This could be caused by a faulty throttle actuator motor, issues with the control module, or wiring problems.

P2118 – Quick Overview

CodeInformation
MeaningP2118: Throttle Actuator Control Motor Current Range/Performance
Is it serious?Yes, it can cause throttle control issues and affect drivability.
Possible causes– Issues with throttle actuator control motor current range or performance
– Faulty throttle actuator control motor
– Problems with the control module or wiring
How to diagnose?– Test the current range and performance of the throttle actuator control motor
– Inspect the control module functionality
– Check wiring and connections

P2118 Meaning

The P2118 code indicates that there is a problem with the throttle actuator control motor’s current or performance. This motor controls the opening and closing of the throttle valve, and if it isn’t working properly, the vehicle’s throttle response can become sluggish or unresponsive. The issue could stem from a malfunctioning motor, a problem with the control module, or issues in the wiring that connects these components.

Step-by-step diagnostic guide

ActionDescriptionTools Needed
Check for Other CodesUse an OBD-II scanner to see if any other related codes are present that could provide more insight into the problem.OBD-II Scanner
Inspect Throttle Actuator Motor WiringVisually inspect the wiring connected to the throttle actuator control motor for any signs of damage, loose connections, or corrosion.Flashlight, Multimeter
Test Throttle Actuator Motor CurrentUse a multimeter or diagnostic tool to measure the current range and performance of the throttle actuator control motor and compare it to the manufacturer’s specifications.Multimeter, Diagnostic Tool
Inspect Control ModuleCheck the throttle actuator control module for any signs of malfunction, including internal faults or failure to send proper signals to the motor.Diagnostic Tool
Check Wiring and ConnectionsEnsure all wiring and connections between the control module and the throttle actuator motor are intact, and repair or replace any damaged components.Flashlight, Multimeter
Clear the Code and Test DriveAfter making necessary repairs or adjustments, clear the code with an OBD-II scanner and take the vehicle for a test drive to confirm the issue has been resolved.OBD-II Scanner
Recheck for CodesAfter the test drive, re-scan the vehicle to ensure the P2118 code has not returned.OBD-II Scanner

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