P12FC - Cylinder Deactivation Exhaust Flow Valve Stuck Closed Bank 2

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

P12FC Possible Causes

  • 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 do I fix code P12FC

    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 P12FC code

    Labor: 1.0

    The cost of diagnosing the P12FC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P12FC Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P12FC Meaning

The cylinder deactivation exhaust flow control system consists of valves installed at the inlet of the muffler. The exhaust flow control system is used to tune 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 is not to factory specifications.
OBDII Code P12FC - Cylinder Deactivation Exhaust Flow Valve Stuck Closed Bank 2 - Engine-Codes.com

P12FC More Information

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P12FC Information for specific makes

  • P12FC CHEVROLET Cylinder Deactivation Exhaust Flow Valve Stuck Closed Bank 2
  • P12FC GMC Cylinder Deactivation Exhaust Flow Valve Stuck Closed Bank 2

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