OBD Codes List

Diagnostic reference · P003F

P003F

A Camshaft Profile Actuator A Control Stuck On Bank 2

System
Fuel and air metering (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P003F means A Camshaft Profile Actuator A Control Stuck On Bank 2.

Where it lives

For P003F, the description names the actuator as the part involved. The description of P003F puts it on bank 2.

Check these first

  • A stuck-on bank 2 actuator A solenoid
  • A short to power holding the bank 2 actuator A on
  • Sludged oil forcing the bank 2 phaser to stick
  • A sticking bank 2 A camshaft profile actuator
  • A failed ECM driver stuck on for the bank 2 actuator

What to do next

  1. Inspect the bank 2 actuator A control wire for a short to power
  2. Command the bank 2 actuator A off and watch for movement
  3. Check engine oil condition for sludge
  4. Remove and inspect the bank 2 A actuator for sticking
  5. Replace the bank 2 actuator A if it stays on with the command off
  6. Clear the code and retest

Look up another code

Enter a full code or a symptom. Press / to search. How to read a code

Type a code above, or start from a symptom or a common code.

Updated

Generic SAE J2012 definition. Last updated 2026-10-10.