P0638 Throttle Actuator Control Range/Performance B1
The PCM/ECM uses the throttle position sensor (TPS) to monitor the actual throttle blade position and when the actual position is out of range with the target position, the PCM/ECM will set the DTC P0638.
P0638 Throttle Actuator Control Range - The FIAT Forum
Aug 24, 2012 · New throttle body (FIAT recon unit) worked for 2000 miles or so, then P0638 returned intermittently. I have checked every conceivable wire to the unit, plus others that link to other items …
P0638 – Throttle actuator control, bank 1 -range/performance ...
Feb 22, 2017 · OBD II fault code P0638 is a generic code that is defined as “Throttle actuator control, Bank 1 -range/performance problem”, and is set when the PCM (Powertrain Control Module) detects …
How to fix Renault Error Code P0638: Throttle Body Problems
What does the Renault P0638 Error Code mean? The P0638 error code relates to a common problem with the Renault’s 1.2-litre 8-valve petrol engine. The fault code described as “Throttle Actuator …
P0638 code – Throttle Actuator Control Range/Performance ...
Oct 25, 2024 · The P0638 code is a signal that your vehicle’s throttle actuator control system is struggling to operate within its specified range. This can affect how well your engine responds to …
P0638 Code Meaning, Causes, Symptoms & Tech Notes
The diagnostic trouble code P0638 indicates a problem with the throttle actuator control system in Bank 1. This code typically means that the Engine Control Module (ECM) has detected that the actual …
P0638 Trouble Code: Meaning, Symptoms, Causes & Fixes
May 25, 2024 · In this article, we’ll break down what the P0638 code means, how to identify its symptoms, and the common causes. Finally, I’ll provide you with practical steps to fix it.