P053B
PCV Heater A Control Circuit Low
P053B is an OBD-II diagnostic trouble code meaning: PCV Heater A Control Circuit Low. Common causes: pcv heater malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Increased crankcase pressure
- Unstable engine operation at idle
- Loss of engine power
Causes
- PCV heater malfunction
- Open or short circuit in wiring harness
- Poor contact in connectors
- ECU malfunction
How to Fix
- Check the integrity of the wiring harness and connectors
- Check PCV heater resistance
- Check voltage in heater control circuit
- Replace PCV heater if necessary
- Check and, if necessary, replace the computer
Related codes
Error P053B by Vehicle Brand
FAQ
What does the P053B code mean?
P053B is an OBD-II diagnostic trouble code that indicates: PCV Heater A Control Circuit Low
What causes a P053B error code?
The most common causes of P053B include: PCV heater malfunction; Open or short circuit in wiring harness; Poor contact in connectors; ECU malfunction.
How do I fix a P053B diagnostic trouble code?
To fix P053B: Check the integrity of the wiring harness and connectors. Check PCV heater resistance. Check voltage in heater control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P053B?
Limited driving only, diagnose soon
How much does it cost to fix P053B?
The estimated repair cost for P053B is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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