Engine Control Module Internal Fault
Table of contents
P16A3 BMW Possible Causes
- Faulty Engine Control Module (ECM)
- Engine Control Module (ECM) harness is open or shorted
- Engine Control Module (ECM) circuit poor electrical connection
How do I fix code P16A3 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 P16A3 BMW code
The cost of diagnosing the P16A3 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)
P16A3 BMW Description
The Engine Control Module (ECM) monitors itself for proper operation. The ECM sets the OBDII code when the Engine Control Module Internals is not to factory specifications.