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AutoCodes – Generic – P053A

P053A Code - Positive Crankcase Ventilation Heater Control Circuit / Open

Quick Answer

The Engine Control Module (ECM) monitors the Positive Crankcase Ventilation Heater Control Circuit. Common causes include Faulty Positive Crankcase Ventilation (PCV) heater assembly, Positive Crankcase Ventilation (PCV) heater assembly harness is open or shorted, Positive Crankcase Ventilation (PCV) heater assembly circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P053A indicates Positive Crankcase Ventilation Heater Control Circuit / Open.
Common causes
Common causes include Faulty Positive Crankcase Ventilation (PCV) heater assembly, Positive Crankcase Ventilation (PCV) heater assembly harness is open or shorted, Positive Crankcase Ventilation (PCV) heater assembly circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 18,634
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on Apr 27, 2019
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Code P053A Description

The Engine Control Module (ECM) monitors the Positive Crankcase Ventilation Heater Control Circuit. The P053A codes set when the Powertrain Control Module (PCM) detects that the actual Positive Crankcase Ventilation Heater Control (PCVHC) circuit voltage is less than the desired voltage.
OBDII Code P053A - Positive Crankcase Ventilation Heater Control Circuit / Open - AutoCodes.com
P053A Code - Positive Crankcase Ventilation Heater Control Circuit / Open
What does this mean?

What are the Possible Causes of the DTC P053A?

  • Faulty Positive Crankcase Ventilation (PCV) heater assembly
  • Positive Crankcase Ventilation (PCV) heater assembly harness is open or shorted
  • Positive Crankcase Ventilation (PCV) heater assembly circuit poor electrical connection

How to Fix the DTC P053A?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P053A code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P053A code?

Need more information on how to fix the P053A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P053A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • P053A BMW — Positive Crankcase Ventilation Heater Control Circuit / Open
  • P053A Ford — Positive Crankcase Ventilation Heater Control Circuit / Open
  • P053A Lincoln — Positive Crankcase Ventilation Heater Control Circuit / Open
  • P053A Mercury — Positive Crankcase Ventilation Heater Control Circuit / Open
  • P053A MINI — Positive Crankcase Ventilation Heater Control Circuit / Open
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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