Use HpTuners to edit the FSCM; uncheck the box next to “SES Enabled” and then choose “No Error Reported” for each of these codes.
Quote:
DTC P12E3: Cylinder Deactivation Exhaust Flow Valve Control Circuit Open
DTC P12E7: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit Low Duty Cycle (Bank 1)
DTC P12E8: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit High Duty Cycle (Bank 1)
DTC P12E9: Cylinder Deactivation Exhaust Flow Valve Open Position (Bank 1)
DTC P12EA: Cylinder Deactivation Exhaust Flow Valve Closed Position (Bank 1)
DTC P12EB: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit Low Frequency (Bank 1)
DTC P12EC: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit High Frequency (Bank 1)
DTC P12ED: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit Incorrect Frequency (Bank 1)
DTC P12EF: Cylinder Deactivation Exhaust Flow Valve Stuck Closed (Bank 1)
DTC P12F0: Cylinder Deactivation Exhaust Flow Valve Stuck Open (Bank 1)
DTC P12F1: Cylinder Deactivation Exhaust Flow Valve Position Not Learned (Bank 1)
DTC P12F2: Cylinder Deactivation Exhaust Flow Valve Actuator Performance (Bank 1)
DTC P12F4: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit Low Duty Cycle (Bank 2)
DTC P12F5: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit High Duty Cycle (Bank 2)
DTC P12F6: Cylinder Deactivation Exhaust Flow Valve Open Position (Bank 2)
DTC P12F7: Cylinder Deactivation Exhaust Flow Valve Closed Position (Bank 2)
DTC P12F8: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit Low Frequency (Bank 2)
DTC P12F9: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit High Frequency (Bank 2)
DTC P12FA: Cylinder Deactivation Exhaust Flow Valve Feedback Circuit Incorrect Frequency (Bank 2)
DTC P12FC: Cylinder Deactivation Exhaust Flow Valve Stuck Closed (Bank 2)
DTC P12FD: Cylinder Deactivation Exhaust Flow Valve Stuck Open (Bank 2)
DTC P12FE: Cylinder Deactivation Exhaust Flow Valve Position Not Learned (Bank 2)
DTC P12FF: Cylinder Deactivation Exhaust Flow Valve Actuator Performance (Bank 2)
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