OBD Guide

P263C

Glow Plug Control Driver Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Difficulty starting the engine in cold weather
  • Increased engine vibration after starting
  • Extended warm-up time
  • Check Engine light comes on
  • Reduced engine power

Causes

  • Glow Plug Driver Malfunction
  • Open or short circuit in control circuit
  • Glow plug relay problems
  • Engine control module malfunction
  • Worn or damaged glow plugs themselves

How to Fix

  1. Check the integrity of the glow plug control circuit
  2. Check the resistance of the glow plugs
  3. Check the operation of the relay and control driver
  4. If necessary, replace faulty glow plugs
  5. Check and update ECU software

Related codes

Error P263C by Vehicle Brand