DTC P0638: Notes
WARNING: This page is about a different variant/trim than selected.
DTC P0638 DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0638 |
Throttle actuator control range/performance |
| 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).
- The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
- FREEZE FRAME DATA is available.
- DTCs are stored in the PCM memory.
|
| POSSIBLE CAUSE |
- Throttle actuator malfunction
- Throttle valve malfunction
- PCM malfunction
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