P12F6 GMC Code - Cylinder Deactivation Exhaust Flow Valve Open Position Bank 2
Quick Answer
The cylinder deactivation exhaust flow control system consists of valves installed at the inlet of the muffler. Common causes include Faulty Cylinder Deactivation Exhaust Flow Valve, Cylinder Deactivation Exhaust Flow Valve harness is open or shorted, Cylinder Deactivation Exhaust Flow Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P12F6 GMC indicates Cylinder Deactivation Exhaust Flow Valve Open Position Bank 2.
- Common causes
- Common causes include Faulty Cylinder Deactivation Exhaust Flow Valve, Cylinder Deactivation Exhaust Flow Valve harness is open or shorted, Cylinder Deactivation Exhaust Flow Valve circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P12F6 GMC Description
What are the Possible Causes of the DTC P12F6 GMC?
- Faulty Cylinder Deactivation Exhaust Flow Valve
- Cylinder Deactivation Exhaust Flow Valve harness is open or shorted
- Cylinder Deactivation Exhaust Flow Valve circuit poor electrical connection
How to Fix the DTC P12F6 GMC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P12F6 GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P12F6 GMC Code
1. What are the common symptoms of OBDII code P12F6 GMC?
The common symptoms of code P12F6 GMC include poor engine performance, reduced fuel efficiency, and possible rough idling or misfires.
2. What does the OBDII code P12F6 GMC indicate?
The OBDII code P12F6 GMC specifically indicates an issue with the Cylinder Deactivation Exhaust Flow Valve Open Position on Bank 2 of the engine.
3. What are the possible causes of OBDII code P12F6 GMC?
Possible causes of code P12F6 GMC include a faulty exhaust flow valve, wiring issues, a vacuum leak, or a problem with the engine control module (ECM).
4. How can I diagnose the OBDII code P12F6 GMC?
Diagnosing code P12F6 GMC involves using a scan tool to read the code, checking the wiring and connections related to the exhaust flow valve, and performing a visual inspection for any obvious issues.
5. Is it safe to continue driving with OBDII code P12F6 GMC?
It is not recommended to continue driving with OBDII code P12F6 GMC, as it can lead to further engine damage and potentially unsafe driving conditions.
6. How can I repair OBDII code P12F6 GMC?
Repairing code P12F6 GMC may involve replacing the faulty exhaust flow valve, repairing any damaged wiring, fixing vacuum leaks, or reprogramming the engine control module (ECM).
7. Can I reset the OBDII code P12F6 GMC on my own?
You can reset the OBDII code P12F6 GMC using a scan tool that has the capability to clear diagnostic trouble codes. However, it is important to address the underlying issue causing the code before resetting it.
8. How much does it cost to fix OBDII code P12F6 GMC?
The cost to fix OBDII code P12F6 GMC can vary depending on the specific cause of the issue, the labor rates in your area, and the cost of parts needed for the repair.
9. Will OBDII code P12F6 GMC cause my vehicle to fail an emissions test?
Yes, OBDII code P12F6 GMC can cause your vehicle to fail an emissions test due to the impact it has on the engine's performance and emissions output.
10. How often does OBDII code P12F6 GMC occur in GMC vehicles?
OBDII code P12F6 GMC is relatively rare, but it can occur in GMC vehicles equipped with cylinder deactivation technology on Bank 2 of the engine.
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