OBD Guide

P269B

Exhaust Aftertreatment Glow Plug Control Circuit/Open

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

Symptoms

  • Check Engine Light Is On
  • Reduced efficiency of the exhaust gas cleaning system
  • Possible problems starting the engine in cold weather
  • Increased level of harmful emissions
  • Reduced engine power

Causes

  • Open circuit in the glow plug control circuit
  • Poor contact in connectors
  • Glow plug malfunction
  • Problems with the control relay
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the control circuit wires
  2. Check contacts in connectors
  3. Check glow plug resistance
  4. Check the operation of the control relay
  5. If necessary, replace the glow plug

Related codes

Error P269B by Vehicle Brand