P053C

PCV Heater A Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Rough idle
Increased oil consumption
Check Engine Light Illuminates
Possible misfires

Causes

Open or short circuit in PCV heater circuit
Faulty PCV heating element
Problems with wiring harness or contacts
Malfunction of the engine control unit (rare)

How to Fix

Check PCV heater circuit continuity
Check the resistance of the heating element
Inspect the wiring harness for damage
Replace PCV heater if necessary

Related codes

P053B P053D P0171