AutoCodes – Generic – P253F

P253F Code - Engine Oil Deteriorated

Quick Answer

The Powertrain Control Module (PCM) monitors the engine oil. Common causes include Oil change interval exceeded, Engine oil deteriorated, Incorrect engine oil type. 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: P253F indicates Engine Oil Deteriorated.
Common causes: Common causes include Oil change interval exceeded, Engine oil deteriorated, Incorrect engine oil type.
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 42,199

How popular is this code, among other codes? Medium

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P253F Description

The Powertrain Control Module (PCM) monitors the engine oil. The Diagnostic Trouble Code (DTC) will set when the PCM detects that either the engine oil change interval had been exceeded, or that the quality of the engine oil had deteriorated to the point where it must be replaced.

OBDII Code P253F - Engine Oil Deteriorated - AutoCodes.com — P253F Code - Engine Oil Deteriorated

What does this mean?

What are the Possible Causes of the DTC P253F?

Oil change interval exceeded
Engine oil deteriorated
Incorrect engine oil type

How to Fix the DTC P253F?

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 P253F 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 P253F code?

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Need Help with the Code?

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Information for Specific Makes

P253F Ford — Engine Oil Deteriorated
P253F Lincoln — Engine Oil Deteriorated
P253F Mercury — Engine Oil Deteriorated

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.