DTC P050A: Notes
DTC P050A DETECTION & CONDITION POSSIBLE CAUSES
| DTC P050A |
Cold start idle air control system performance |
| DETECTION CONDITION |
- The PCM monitors actual idle speed while fast idle up correction operating. If the idle speed is out of specified range, the PCM determines that the idle air control has performance problem.
Diagnostic support note
- This is a continuous monitor (CSERS).
- MIL illuminates if PCM detects the above malfunctioning condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
- PENDING CODE is available if PCM detects the above malfunction conditions during first drive cycle.
- FREEZE FRAME DATA is available.
- The DTC is stored in the PCM memory.
|
| POSSIBLE CAUSE |
- Electronic throttle control system malfunction
- Throttle valve stuck or blockage
- Air suction in intake-air system
- PCM malfunction
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