OBD Guide

P341C

Deactivation/Exhaust Valve Control Circuit Performance Bank 1

P341C is an OBD-II diagnostic trouble code meaning: Deactivation/Exhaust Valve Control Circuit Performance Bank 1. Common causes: open or short circuit in control circuit, deactivation solenoid valve malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable engine operation at idle
  • Reduced engine power
  • Check Engine light comes on
  • Cylinder deactivation system does not work

Causes

  • Open or short circuit in control circuit
  • Deactivation solenoid valve malfunction
  • Problems with the engine control unit
  • Mechanical failure of the cylinder deactivation system
  • Poor contact in connectors

How to Fix

  1. Check the integrity of the wiring harness to the deactivation valve
  2. Check the resistance and operation of the solenoid valve
  3. Inspect connectors for oxidation or damage
  4. Check relevant fuses
  5. If necessary, replace the cylinder deactivation valve

Related codes

Error P341C by Vehicle Brand

FAQ

What does the P341C code mean?

P341C is an OBD-II diagnostic trouble code that indicates: Deactivation/Exhaust Valve Control Circuit Performance Bank 1

What causes a P341C error code?

The most common causes of P341C include: Open or short circuit in control circuit; Deactivation solenoid valve malfunction; Problems with the engine control unit; Mechanical failure of the cylinder deactivation system.

How do I fix a P341C diagnostic trouble code?

To fix P341C: Check the integrity of the wiring harness to the deactivation valve. Check the resistance and operation of the solenoid valve. Inspect connectors for oxidation or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P341C?

Yes, but get it checked soon

How much does it cost to fix P341C?

The estimated repair cost for P341C is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat