OBD Guide

P03F3

B Camshaft Profile Actuator C Control Circuit High Bank 1

P03F3 is an OBD-II diagnostic trouble code meaning: B Camshaft Profile Actuator C Control Circuit High Bank 1. Common causes: short circuit to positive in the vvt actuator control circuit, open circuit control. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Short circuit to positive in the VVT actuator control circuit
  • Open circuit control
  • VVT solenoid valve (solenoid) malfunction
  • Wiring Harness Problems
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check VVT solenoid resistance
  3. Check control circuit voltage
  4. Replace faulty VVT solenoid if necessary
  5. Check the operation of the VVT system after repair

Related codes

Error P03F3 by Vehicle Brand

FAQ

What does the P03F3 code mean?

P03F3 is an OBD-II diagnostic trouble code that indicates: B Camshaft Profile Actuator C Control Circuit High Bank 1

What causes a P03F3 error code?

The most common causes of P03F3 include: Short circuit to positive in the VVT actuator control circuit; Open circuit control; VVT solenoid valve (solenoid) malfunction; Wiring Harness Problems.

How do I fix a P03F3 diagnostic trouble code?

To fix P03F3: Check the integrity of the wiring harness and connectors. Check VVT solenoid resistance. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P03F3?

Limited driving only, diagnose soon

How much does it cost to fix P03F3?

The estimated repair cost for P03F3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat