DTC P0638: Notes
WARNING: This page is about a different variant/trim than selected.
DTC P0638 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0638 |
Throttle actuator control circuit range/performance problem |
| DETECTION CONDITION |
- The PCM compares the actual TP with the target TP when the engine is running. If the difference is more than the specification, the PCM determines that there is a throttle actuator control circuit range/performance problem.
Diagnostic support note
- This is a continuous monitor (CCM).
- MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA is available.
- The DTC is stored in the PCM memory.
|
| POSSIBLE CAUSE |
- Throttle actuator malfunction
- Throttle valve malfunction
- PCM malfunction
|