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P053A Mercury Code - Positive Crankcase Ventilation Heater Control Circuit / Open

- Code Popularity: 1,164 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P053A Mercury?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • 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
⚠ Does your Mercury have Safety Recalls? → Check here

How to Fix the DTC P053A Mercury?

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

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P053A Mercury code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P053A Mercury 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 Mercury - Positive Crankcase Ventilation Heater Control Circuit / Open - AutoCodes.com
P053A Mercury Code - Positive Crankcase Ventilation Heater Control Circuit / Open

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Code P053A Mercury comments

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