P06E3

Cylinder 12 Glow Plug Control Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$9–44 (est.)

Symptoms

Check Engine light on
Glow plug of cylinder 12 does not warm up
Difficult cold engine start
White smoke when starting in cold weather
Uneven engine operation after a cold start

Causes

Breakage of the heating element of the glow plug of cylinder 12
Broken power wire in the wiring harness
Closing the control wire with the power circuit
Oxidation of connector contacts, breaking contact
Internal malfunction of the module power switch

How to Fix

Check the resistance of the glow plug of cylinder 12 - if the value is OL (infinity), the spark plug is broken
Replace a faulty glow plug
Check the integrity of the power wire between the module and the spark plug
Inspect the spark plug connector for oxidation and make sure there is reliable contact.
Avoid short-circuiting the control wire with the power circuit
If the spark plug and wiring are in good condition, check the spark plug control module

Related codes

P06E2 P06D0 P06E1 P06DF P0670