Possible Causes
NOTE:
This diagnostic checks idle speed against target idle speed and if greater than 100rpm over target idle speed then DTC is set
- The engine control module measures a signal that remains low when transitions are expected
- Intake air system leakage
- Intake air system components incorrectly installed, loose or damaged pipework
- Engine crankcase breather system leakage
- Engine crankcase breather system components incorrectly installed