The P2108: Throttle Actuator Control Module Performance fault code indicates that the throttle actuator control module is experiencing performance issues. This can affect the vehicle’s ability to control the throttle properly, leading to drivability problems. Possible causes include a faulty throttle actuator control module or wiring issues.
P2108 – Quick Overview
Code | Information |
---|---|
Meaning | P2108: Throttle Actuator Control Module Performance |
Is it serious? | Yes, throttle actuator control issues can lead to improper throttle response and affect engine performance. |
Possible causes | – Performance issues with the throttle actuator control module – Faulty module – Wiring or connection issues |
How to diagnose? | – Test the performance of the throttle actuator control module – Inspect wiring and connections – Replace the module if performance issues persist |
P2108 Meaning
The P2108 fault code signifies that the throttle actuator control module is not functioning as expected. This may result in poor throttle response, loss of power, or erratic engine behavior. The issue could be related to a faulty throttle actuator control module or problems with the wiring and connections that affect module performance.
Step-by-step diagnostic guide
Action | Description | Tools Needed |
---|---|---|
Check for Other Codes | Use an OBD-II scanner to check for additional related codes that could provide further insight into the throttle actuator control issue. | OBD-II Scanner |
Test the Performance of the Throttle Actuator Control Module | Use a diagnostic tool to test the throttle actuator control module for performance issues. Ensure the module is responding to throttle inputs correctly. | Diagnostic Tool |
Inspect Wiring and Connections | Visually inspect the wiring and connectors related to the throttle actuator control module for damage, loose connections, or corrosion that could impact performance. | Flashlight, Multimeter |
Check Module for Errors | Check for any stored errors in the throttle actuator control module that could provide more information on its performance issues. | Diagnostic Tool |
Repair or Replace Faulty Components | If the throttle actuator control module is faulty or wiring problems are found, repair or replace the affected components to restore normal operation. | Replacement Parts, Tools |
Clear the Code and Test Drive | After repairs, clear the fault code using an OBD-II scanner and take the vehicle for a test drive to confirm the issue has been resolved. | OBD-II Scanner, Vehicle Manual |
Recheck for Codes | After the test drive, rescan the vehicle to ensure the P2108 code does not return. | OBD-II Scanner |

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