AutoCodes – Cadillac – P1E25 Cadillac

P1E25 Cadillac Code - Auxiliary Transmission Fluid Pump Control Module Read Only Memory

Quick Answer

This is an internal fault detection of the auxiliary transmission fluid pump control module. Common causes include Faulty Auxiliary Transmission Fluid Pump Motor Control Module, Auxiliary Transmission Fluid Pump Motor Control Module harness is open or shorted, Auxiliary Transmission Fluid Pump Motor Control Module 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: P1E25 Cadillac indicates Auxiliary Transmission Fluid Pump Control Module Read Only Memory.
Common causes: Common causes include Faulty Auxiliary Transmission Fluid Pump Motor Control Module, Auxiliary Transmission Fluid Pump Motor Control Module harness is open or shorted, Auxiliary Transmission Fluid Pump Motor Control Module 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 1,139

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 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1E25 Cadillac Description

This is an internal fault detection of the auxiliary transmission fluid pump control module. The modules listed below are internal to the power inverter module and are not serviced separately. These faults are handled inside the hybrid powertrain control module and no external circuits are involved.

OBDII Code P1E25 Cadillac - Auxiliary Transmission Fluid Pump Control Module Read Only Memory - AutoCodes.com — P1E25 Cadillac Code - Auxiliary Transmission Fluid Pump Control Module Read Only Memory

What does this mean?

What are the Possible Causes of the DTC P1E25 Cadillac?

Faulty Auxiliary Transmission Fluid Pump Motor Control Module
Auxiliary Transmission Fluid Pump Motor Control Module harness is open or shorted
Auxiliary Transmission Fluid Pump Motor Control Module circuit poor electrical connection

How to Fix the DTC P1E25 Cadillac?

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 P1E25 Cadillac 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.

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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.

Frequently Asked Questions about P1E25 Cadillac Code

1. What does the OBDII code P1E25 mean for a Cadillac?

P1E25 indicates an issue with the Auxiliary Transmission Fluid Pump Control Module's Read Only Memory (ROM), which may affect communication or functionality of the module.

2. What are the common symptoms of code P1E25 in a Cadillac?

Symptoms may include a check engine light, reduced fuel efficiency, erratic shifting, or reduced transmission performance.

3. What causes the P1E25 code to appear?

Common causes include a corrupted control module memory, software glitches, faulty auxiliary transmission fluid pump, or damaged wiring.

4. Can I drive my Cadillac with code P1E25 active?

It is possible to drive, but it is not recommended as it may lead to further transmission issues or reduced performance.

5. How is the P1E25 code diagnosed?

A technician will use a scan tool to retrieve the code, check for additional codes, inspect the module's connections and wiring, and verify the operation of the auxiliary transmission fluid pump.

6. What repairs are typically needed for a P1E25 code?

Repairs may include reprogramming or replacing the Auxiliary Transmission Fluid Pump Control Module, repairing damaged wiring, or addressing any related transmission issues.

7. Is it expensive to fix the P1E25 code on a Cadillac?

Costs will vary depending on whether the module needs reprogramming or replacement, but repairs involving control modules can be moderately expensive.

8. Can a software update resolve the P1E25 code?

Yes, in some cases, a software update to the control module can resolve the issue if the fault is due to a corruption or glitch.

9. What tools are needed to address the P1E25 code?

A professional OBDII scan tool and possibly a GM-specific diagnostic tool are required to read codes, perform module reprogramming, and test components.

10. How can I prevent code P1E25 from recurring in my Cadillac?

Regular maintenance, ensuring proper connections to the control module, and promptly addressing software updates or recalls can help prevent this code from recurring.