Fault codes › P03F3

P03F3

Generic code
Free on OBD DashX

Want real-world data on P03F3?

See which problems come with P03F3, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P03F3 on OBD DashX No sign-up needed · available in 10 languages

iWhat P03F3 means

  • B Camshaft Profile Actuator C Control Circuit High Bank 1

!Possible symptoms

  • Inspect and repair any damaged wiring or connections related to the B camshaft profile actuator control circuit.
  • Check and replace the B camshaft profile actuator if it is faulty or worn
  • out.
  • Verify the engine control module (ECM) software for any updates or reprogramming, as it may contain fixes for issues related to the B camshaft profile actuator control circuit.
  • Test the camshaft position sensor and replace it if necessary, as a faulty sensor can affect the control circuit.
  • Perform a thorough inspection of the camshaft itself for any damage or wear, and consider replacing it if needed.

?Possible causes

  • Faulty camshaft position sensor
  • Damaged wiring or connectors in the camshaft profile actuator circuit
  • Clogged or stuck camshaft profile actuator
  • Issues with the engine control module (ECM) or powertrain control module (PCM)
  • Malfunctioning variable valve timing (VVT) solenoid

Possible solutions

  • Engine misfires or runs rough
  • Decreased engine performance
  • Engine stalls or fails to start
  • Loss of power or acceleration
  • Check Engine light illuminates
Free on OBD DashX

P03F3 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P03F3 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.