OBD Guide

P1396

Glow Plug Monitor Fault Bank 2

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$9–39 (est.)

Symptoms

  • Difficulty starting the engine, especially in cold weather
  • Increased exhaust smoke during cold start
  • Unstable engine operation before warming up
  • Check Engine Light Is On
  • Possible reduction in engine power

Causes

  • Malfunction of one or more glow plugs in the second row
  • Open or short circuit in the glow plug circuit
  • Problems with the glow plug relay
  • Engine control unit malfunction
  • Poor contact in the connectors of the heating system

How to Fix

  1. Check the resistance of the glow plugs in the second row
  2. Inspect the wiring and connectors of the heating system for damage
  3. Check the operation of the glow plug relay
  4. If necessary, replace faulty glow plugs
  5. Check the power and ground in the glow plug circuit

Related codes

Error P1396 by Vehicle Brand