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Code P25FE

Quick reference

P25FE at a glance

Plain-language meaning
This code means there's a problem with the part of the car that decides when to turn the supercharger on or off. It's like a switch that isn't working right.
Urgency
Moderate – While the vehicle may still be drivable, it is recommended to address this issue to prevent further engine performance problems.
Difficulty
Moderate
System
Engine Performance
Tools mentioned
OBD-II scanner, Multimeter, Basic hand tools

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means there's a problem with the part of the car that decides when to turn the supercharger on or off. It's like a switch that isn't working right.

Explanation

The P25FE code indicates an issue with the supercharger disconnect clutch, which is responsible for engaging and disengaging the supercharger.

Technical description

The supercharger disconnect clutch is a component that allows the supercharger to be engaged or disengaged based on engine requirements. This code is triggered when the control module detects a fault in the operation of this clutch, which can affect engine performance.

Symptoms

• Reduced engine performance

• Check Engine Light is on

• Unusual noises from the engine

Common Causes

• Faulty supercharger disconnect clutch

• Electrical issues such as wiring problems or poor connections

• Faulty control module

Glossary

Supercharger: A device that increases the pressure of air entering the engine to increase power.

Disconnect Clutch: A mechanism that engages or disengages the supercharger based on engine needs.

Diagnosis steps

• Check for any other related codes and address those first.

• Inspect the wiring and connections to the supercharger disconnect clutch.

• Test the operation of the supercharger disconnect clutch.

Repair procedures

• Repair or replace faulty wiring or connections.

• Replace the supercharger disconnect clutch if it is defective.

• Reprogram or replace the control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$200 - $800

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Camaro

• Ford Mustang

• Dodge Charger

Preventive measures

• Regular maintenance checks

• Ensure proper electrical connections

• Avoid aggressive driving habits that may stress the supercharger system

Error code type

Engine Performance

User experience recommendations

• Avoid heavy acceleration until the issue is resolved.

• Consult with a professional mechanic for a thorough diagnosis.

Warranty information

Check with your vehicle manufacturer as this may be covered under powertrain warranty.

Historical data

This code has been associated with vehicles equipped with superchargers and is often related to wear and tear or electrical issues.

Urgency level

Moderate – While the vehicle may still be drivable, it is recommended to address this issue to prevent further engine performance problems.

Testing conditions

• Engine at operating temperature

• Vehicle in a safe location for testing

Component location

The supercharger disconnect clutch is typically located near the supercharger assembly on the engine.

FAQs

Q: What happens if I ignore the P25FE code?
A: Ignoring this code can lead to reduced engine performance and potential damage to the supercharger system.

Q: Can I drive my car with a P25FE code?
A: While you may be able to drive, it's best to have the issue diagnosed and repaired to avoid further problems.

Optional diagnostic gear

Tools that may help diagnose P25FE

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

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Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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