What are the possible causes of DTC P12FA?
NOTE: The listed causes may not be a complete list of all potential issues, and there may be other causes.
- Faulty cylinder deactivation exhaust flow valve
- Cylinder deactivation exhaust flow valve harness is open or shorted
- Cylinder deactivation exhaust flow valve circuit has poor electrical connection
How to repair DTC P12FA?
Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Verify that components are not damaged and look for broken, bent, pushed out, or corroded connector pins.
What are the possible symptoms of code P12FA?
- Check engine light on (or service engine soon warning light)
What does code P12FA mean?
The cylinder deactivation exhaust flow control system consists of valves installed at the muffler inlet. The exhaust flow control system is used to adjust the exhaust note. The Powertrain Control Module (PCM) monitors the cylinder deactivation exhaust flow valve. The PCM sets the OBDII code when the cylinder deactivation exhaust flow valve does not meet factory specifications.