Time Out Control Module Knock Sensor Bus
Table of contents
P16A4 BMW Possible Causes
- Faulty Knock Sensor (KS)
- Knock Sensor (KS) harness is open or shorted
- Knock Sensor (KS) circuit poor electrical connection
- Faulty Time Out Control Module
How do I fix code P16A4 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 P16A4 BMW code
The cost of diagnosing the P16A4 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)
P16A4 BMW Description
The Engine Control Module (ECM) monitors the Knock Sensor (KS). The ECM sets the OBDII code when the Knock Sensor (KS) is not to factory specifications.