OBD-II code · Powertrain (generic, extended)
P2D14 Exhaust Flow Control Valve C Control Circuit Low
The exhaust flow control valve C reports a control circuit low condition. Exhaust routing for back-pressure or noise control on this branch cannot be commanded reliably.
Is it safe to drive with P2D14?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyControl wire shorted to ground
- PossibleInternal short in actuator coil
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Likely to fail
- Parts involved
- Exhaust Flow Control Valve C, Wiring Harness, Ecm
Related codes
- P26C6Exhaust Flow Control Valve A Control Circuit Low
- P2BF9Exhaust Flow Control Valve B Control Circuit Low
- P2D11Exhaust Flow Control Valve A Position Not Learned
- P2D12Exhaust Flow Control Valve B Position Not Learned
- P2D13Exhaust Flow Control Valve C Control Circuit/Open
- P2D15Exhaust Flow Control Valve C Control Circuit High
- P2D16Exhaust Flow Control Valve C Control Performance
- P2D17Exhaust Flow Control Valve C Position Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.