P2CE4

Intake Air Heater C Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Poor engine performance in cold weather
Increased fuel consumption
Difficulty starting the engine in winter
Check Engine Light Is On
Possible misfires during cold start

Causes

Short circuit in heating circuit
Heating element malfunction
Relay or fuse problems
Broken or damaged wiring
Engine control unit malfunction

How to Fix

Check the fuses and relays of the heating circuit
Inspect the wiring for damage
Check the resistance of the heating element
Diagnose the engine control unit
Replace faulty circuit components

Related codes

P2CE3 P2CE5 P2CE6