Cold Start Idle Air Control System Bank 2 RPM Lower Than Expected
Table of contents
P158F BMW Possible Causes
- Faulty Cold Start Idle Air Control System
- Cold Start Idle Air Control System harness is open or shorted
- Cold Start Idle Air Control System circuit poor electrical connection
How do I fix code P158F BMW?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P158F BMW code
The cost of diagnosing the P158F BMW code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P158F BMW Description
The Engine Control Module (ECM) monitors the Cold Start Idle Air Control System. The ECM sets the OBDII code when the Cold Start Idle Air Control System is not to factory specifications.