AutoCodes – Cadillac – P1EA2 Cadillac

P1EA2 Cadillac Code - Hybrid/EV Battery Interface Control Module 4 Read Only Memory Performance

Quick Answer

The Hybrid/EV Battery Interface Control Module 4 will diagnose its own systems and determine when a fault condition is present. Common causes include Faulty Hybrid/EV Battery Interface Control Module 4, Hybrid/EV Battery Interface Control Module 4 harness is open or shorted, Hybrid/EV Battery Interface Control Module 4 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: P1EA2 Cadillac indicates Hybrid/EV Battery Interface Control Module 4 Read Only Memory Performance.
Common causes: Common causes include Faulty Hybrid/EV Battery Interface Control Module 4, Hybrid/EV Battery Interface Control Module 4 harness is open or shorted, Hybrid/EV Battery Interface Control Module 4 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 753

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 24, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1EA2 Cadillac Description

The Hybrid/EV Battery Interface Control Module 4 will diagnose its own systems and determine when a fault condition is present. This diagnostic applies to internal microprocessor integrity conditions within the Hybrid/EV Battery Interface Control Module 4. This fault is internal to the Hybrid/EV Battery Interface Control Module 4 and no external circuits are involved.

OBDII Code P1EA2 Cadillac - Hybrid/EV Battery Interface Control Module 4 Read Only Memory Performance - AutoCodes.com — P1EA2 Cadillac Code - Hybrid/EV Battery Interface Control Module 4 Read Only Memory Performance

What does this mean?

What are the Possible Causes of the DTC P1EA2 Cadillac?

Faulty Hybrid/EV Battery Interface Control Module 4
Hybrid/EV Battery Interface Control Module 4 harness is open or shorted
Hybrid/EV Battery Interface Control Module 4 circuit poor electrical connection

How to Fix the DTC P1EA2 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 P1EA2 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.

Need more information about the P1EA2 Cadillac 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.

Frequently Asked Questions about P1EA2 Cadillac Code

What does the OBDII code P1EA2 mean for my Cadillac?

The code P1EA2 indicates a performance issue with the Hybrid/EV Battery Interface Control Module 4's read-only memory, which could affect the hybrid system's operation.

What are the symptoms of the P1EA2 code?

Common symptoms include warning lights on the dashboard, reduced power or efficiency in hybrid mode, and potential issues with battery management.

What can cause the P1EA2 code to trigger?

Possible causes include a faulty Hybrid/EV Battery Interface Control Module, software issues, or corrupted data in the module's memory.

How do I diagnose the P1EA2 code?

Use an OBDII scanner to confirm the code, check for related codes, inspect the Hybrid/EV Battery Interface Control Module, and look for any visible damage or corrosion.

Can I drive my vehicle with the P1EA2 code?

While you may be able to drive the vehicle, it is not recommended as it may lead to reduced performance and could potentially cause further damage to the hybrid system.

What repair options are available for the P1EA2 code?

Repair options include reprogramming or replacing the Hybrid/EV Battery Interface Control Module, addressing any wiring issues, or updating the vehicle's software.

Is the P1EA2 code specific to Cadillac vehicles?

While P1EA2 may appear in Cadillac vehicles, similar codes and issues can occur in other hybrid or electric vehicles with similar control modules.

How can I prevent the P1EA2 code from recurring?

Regular maintenance of the hybrid system, keeping software updated, and addressing any electrical issues promptly can help prevent the recurrence of this code.

Should I take my Cadillac to a dealer for P1EA2 code issues?

While you can take your vehicle to a dealer for specialized knowledge and OEM parts, qualified independent mechanics with hybrid expertise can also diagnose and repair the issue.