OBD Guide

P2D14

Exhaust Flow Control Valve C Control Circuit Low

P2D14 is an OBD-II diagnostic trouble code meaning: Exhaust Flow Control Valve C Control Circuit Low. Common causes: open or short circuit in control circuit, exhaust gas flow control valve malfunction. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine light comes on
  • Deterioration of vehicle dynamics
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Increase in harmful emissions

Causes

  • Open or short circuit in control circuit
  • Exhaust gas flow control valve malfunction
  • Problems with wiring harness or contacts
  • Control module malfunction
  • Corrosion or oxidation of contacts

How to Fix

  1. Check valve control circuit integrity
  2. Check valve resistance and operation
  3. Inspect the wiring harness and contacts for damage
  4. Check power and ground circuit
  5. If necessary, replace the exhaust gas flow control valve

Related codes

Error P2D14 by Vehicle Brand

FAQ

What does the P2D14 code mean?

P2D14 is an OBD-II diagnostic trouble code that indicates: Exhaust Flow Control Valve C Control Circuit Low

What causes a P2D14 error code?

The most common causes of P2D14 include: Open or short circuit in control circuit; Exhaust gas flow control valve malfunction; Problems with wiring harness or contacts; Control module malfunction.

How do I fix a P2D14 diagnostic trouble code?

To fix P2D14: Check valve control circuit integrity. Check valve resistance and operation. Inspect the wiring harness and contacts for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D14?

Yes, but get it checked soon

How much does it cost to fix P2D14?

The estimated repair cost for P2D14 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat