P0AF7 Possible Causes
- Faulty 14-volt power supply module
- 14-volt power supply module harness is open or short-circuited
- Poor electrical connection in the 14-volt power supply module circuit
What Does It Mean?
How to Fix Code P0AF7
Check the “possible causes” listed above. Visually inspect the related cable harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P0AF7 Possible Symptoms
Engine light on (or service engine soon warning light)
P0AF7 Meaning
The Engine Control Module (ECM) monitors the internal temperature of the 14-volt power supply module. The ECM sets the OBDII code when the internal temperature of the 14-volt power supply module does not meet factory specifications.