AutoCodes – Generic – P052E

P052E Code - Positive Crankcase Ventilation Regulator Valve Performance

Quick Answer

The Engine Control Module (ECM) monitors the Positive Crankcase Ventilation Regulator Valve Performance. Common causes include Faulty Positive Crankcase Ventilation Regulator Valve, Positive Crankcase Ventilation Regulator Valve harness is open or shorted, Positive Crankcase Ventilation Regulator Valve 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: P052E indicates Positive Crankcase Ventilation Regulator Valve Performance.
Common causes: Common causes include Faulty Positive Crankcase Ventilation Regulator Valve, Positive Crankcase Ventilation Regulator Valve harness is open or shorted, Positive Crankcase Ventilation Regulator Valve 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 17,421

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P052E Description

The Engine Control Module (ECM) monitors the Positive Crankcase Ventilation Regulator Valve Performance. The ECM sets the OBDII code when the Positive Crankcase Ventilation Regulator Valve is not to factory specifications.

OBDII Code P052E - Positive Crankcase Ventilation Regulator Valve Performance - AutoCodes.com — P052E Code - Positive Crankcase Ventilation Regulator Valve Performance

What does this mean?

What are the Possible Causes of the DTC P052E?

Faulty Positive Crankcase Ventilation Regulator Valve
Positive Crankcase Ventilation Regulator Valve harness is open or shorted
Positive Crankcase Ventilation Regulator Valve circuit poor electrical connection

How to Fix the DTC P052E?

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 P052E 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 P052E code?

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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.