OBD Guide

P1385

Variable Cam Timing Solenoid 'B' Malfunction

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Deterioration in acceleration dynamics
  • Increased fuel consumption
  • Unstable idle speed
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • VVT solenoid malfunction
  • Open or short circuit in control circuit
  • Solenoid dirty or stuck
  • Low or poor quality engine oil
  • Problems with the phase change mechanism

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose the electrical circuit of the solenoid
  3. Check the resistance and operation of the solenoid
  4. Clean or replace VVT solenoid
  5. Check the valve timing mechanism

Related codes

Error P1385 by Vehicle Brand