OBD-II code · Powertrain (generic, extended)
P2D15 Exhaust Flow Control Valve C Control Circuit High
The exhaust flow control valve C reports a control circuit high condition. Exhaust routing for back-pressure or noise control on this branch cannot be commanded reliably.
Is it safe to drive with P2D15?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyControl wire shorted to B+
- PossibleOpen 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
- P26C7Exhaust Flow Control Valve A Control Circuit High
- P2BFAExhaust Flow Control Valve B Control Circuit High
- P2D12Exhaust Flow Control Valve B Position Not Learned
- P2D13Exhaust Flow Control Valve C Control Circuit/Open
- P2D14Exhaust Flow Control Valve C Control Circuit Low
- P2D16Exhaust Flow Control Valve C Control Performance
- P2D17Exhaust Flow Control Valve C Position Circuit
- P2D18Exhaust Flow Control Valve C Position Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.