Engine Control Module Self-Test Idle Air Control System Fault
Table of contents
P16B2 BMW Possible Causes
- Faulty Idle Air Control (IAC)
- Idle Air Control (IAC) harness is open or shorted
- Idle Air Control (IAC) circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How do I fix code P16B2 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 P16B2 BMW code
The cost of diagnosing the P16B2 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)
P16B2 BMW Description
The Engine Control Module (ECM) monitors the Idle Air Control (IAC). The ECM sets the OBDII code when the Idle Air Control (IAC) is not to factory specifications.