P2D19

Exhaust Flow Control Valve C Position Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Unstable engine operation at idle
Increased fuel consumption
Unusual noises from the exhaust system

Causes

Open or short circuit in valve control circuit
Exhaust gas flow control valve malfunction
Problems with the wiring harness or connectors
Engine control unit (ECU) malfunction
Corroded contacts or damaged wiring

How to Fix

Check valve control circuit integrity
Check valve resistance and operation
Inspect the wiring harness and connectors for damage.
If necessary, replace the exhaust gas flow control valve
Check and reflash the engine control unit if necessary

Related codes

P2D18 P2D1A P2D1B