OBD Guide

P003C

A Camshaft Profile Actuator A Control Performance/Stuck Off Bank 1

P003C is an OBD-II diagnostic trouble code meaning: A Camshaft Profile Actuator A Control Performance/Stuck Off Bank 1. Common causes: vvt mechanism jammed, vvt solenoid valve malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable idling
  • Check engine light comes on
  • Possible problems with starting

Causes

  • VVT mechanism jammed
  • VVT solenoid valve malfunction
  • Low or poor quality engine oil
  • Contamination of oil channels of the VVT system
  • Problems with wiring harness or contacts
  • Engine control unit malfunction

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose the operation of the VVT solenoid valve
  3. Check the electrical control circuit of the VVT mechanism
  4. Clean or replace VVT solenoid valve
  5. If necessary, replace the VVT mechanism
  6. Reset the error and check the system operation

Related codes

Error P003C by Vehicle Brand

FAQ

What does the P003C code mean?

P003C is an OBD-II diagnostic trouble code that indicates: A Camshaft Profile Actuator A Control Performance/Stuck Off Bank 1

What causes a P003C error code?

The most common causes of P003C include: VVT mechanism jammed; VVT solenoid valve malfunction; Low or poor quality engine oil; Contamination of oil channels of the VVT system.

How do I fix a P003C diagnostic trouble code?

To fix P003C: Check the level and condition of the engine oil. Diagnose the operation of the VVT solenoid valve. Check the electrical control circuit of the VVT mechanism. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P003C?

Limited driving only, diagnose soon

How much does it cost to fix P003C?

The estimated repair cost for P003C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat