OBD Guide

P054B

Cold Start B Camshaft Position Timing Over-Retarded Bank 1

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Rough idle on cold start
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Low or poor quality engine oil
  • VVT solenoid valve dirty or faulty
  • Worn or jammed VVT phase shifter
  • Problems with the camshaft position sensor
  • Clogged oil channels of the VVT system

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose VVT solenoid valve and wiring
  3. Check the oil pressure in the system
  4. Inspect the phase shifter for wear
  5. Test the camshaft position sensor
  6. If necessary, replace faulty VVT system components

Related codes

Error P054B by Vehicle Brand