P26A2

Exhaust Aftertreatment Glow Plug Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Deterioration of the exhaust gas cleaning system
Possible problems starting the engine in cold weather
Increased fuel consumption
Reduced engine power

Causes

Glow plug malfunction
Broken or damaged wiring
Poor contact in connectors
Faulty glow plug relay
Problems with the engine control unit

How to Fix

Check glow plug resistance
Inspect wiring and connectors for damage
Check the relays and fuses of the glow plug circuit
If necessary, replace the glow plug
Reset the error code and check if it returns

Related codes

P26A0 P26A1 P26A3