How do I fix error P0638?
How To Correct P0638 Throttle Actuator Control Range/Performance (Bank 1)
- Try cleaning the throttle body and its related wiring and harnesses. If it does not solve the problem check and replace the faulty parts.
- Repair, clean or replace bad throttle body connections.
- Try fixing the throttle body wiring system.
What does code P0638 mean?
Throttle Actuator Control Range/Performance
P0638 is a diagnostic trouble code (DTC) for “Throttle Actuator Control Range/Performance (Bank 1)”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
What does p0638 mean on a check engine light?
P0638 is a diagnostic trouble code (DTC) for “Throttle Actuator Control Range/Performance (Bank 1)”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic.
What causes a throttle actuator to set code p0638?
Common causes of code P0638 could include the following-. Damaged, burnt, shorted, corroded, or disconnected wiring and/or connectors. Note that wiring issues in almost any part of the CAN bus system that is involved in throttle control can cause this code to set. Defective throttle actuator.
Why is my PCM setting the code p0638?
In some cases, reprogramming the PCM with unauthorized or illegal performance settings can have unpredictable results, which could include setting code P0638 and other random codes that could include CAN bus system related codes. Failed or failing PCM or other control module.
What does TPS stand for in engine control module?
Specifications on the definition, troubleshooting, and repairs, of course, vary from one make and model to another. The monitor whether the position of the actual throttle blade is in or outside of range, the PCM (powertrain control module, also known as ECM or engine control module in other vehicle makes) uses the TPS (throttle position sensor).