AutoCodes – Cadillac – P1E6C Cadillac

P1E6C Cadillac Code - Hybrid/Electric Vehicle Battery 65 Circuit

Quick Answer

The Hybrid/Electric Vehicle battery pack contains 288 cells. Common causes include Faulty Hybrid/Electric Vehicle Battery Pack, Faulty Hybrid/Electric Vehicle Battery Interface Control Module. 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: P1E6C Cadillac indicates Hybrid/Electric Vehicle Battery 65 Circuit.
Common causes: Common causes include Faulty Hybrid/Electric Vehicle Battery Pack, Faulty Hybrid/Electric Vehicle Battery Interface Control Module.
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 776

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 Mar 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1E6C Cadillac Description

The Hybrid/Electric Vehicle battery pack contains 288 cells. Groups of three cells are welded together in parallel. There are a total of 96 cell groups in the hybrid/EV battery pack assembly. These cell groups are electrically connected in-series. Each individual cell group is rated at 3.7 V, for a nominal system voltage of 355 V direct current. The battery cells are also grouped together into three sections. The first 90 cells/30 cell groups make up battery section one. This section is adjacent to the cowl and contains batteries 67 through to 96. Battery section two is located behind section one. It is made up of 72 cells/24 cell groups and contains batteries 43 through to 66. The transverse battery section is section number three, it is made up of the remaining 126 cells/42 cell groups and contains batteries 1 through to 42. The three battery sections are individually serviceable components.
The battery energy control module monitors the voltage of the 96 battery cell groups through the four hybrid/EV battery interface control modules. Voltage sense circuits are attached to each individual cell group, and these sense circuits terminate at a connector located on the top surface of the battery section. A serviceable auxiliary battery wiring harness joins this connector to a hybrid/EV battery interface control module, also located on the top surface of the battery section. The hybrid/EV battery interface control module encodes the voltage reading and transmits it to the battery energy control module through the battery control harness. There is one hybrid/EV battery interface control module located on battery sections one and two, and two hybrid/EV battery interface control modules associated with battery section three. The hybrid/EV battery interface control module, battery energy control module wiring harness, auxiliary battery wiring harness, and battery energy control module are all considered serviceable components.
The battery energy control module will determine when a fault condition is present. Diagnostics and system status are communicated from the battery energy control module to hybrid/EV powertrain control module 2 through serial data. The hybrid/EV powertrain control module 2 is the host controller for diagnostic trouble code information.

OBDII Code P1E6C Cadillac - Hybrid/Electric Vehicle Battery 65 Circuit - AutoCodes.com — P1E6C Cadillac Code - Hybrid/Electric Vehicle Battery 65 Circuit

What does this mean?

What are the Possible Causes of the DTC P1E6C Cadillac?

Faulty Hybrid/Electric Vehicle Battery Pack
Faulty Hybrid/Electric Vehicle Battery Interface Control Module

How to Fix the DTC P1E6C 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 P1E6C 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 P1E6C Cadillac Code

1. What are common symptoms of OBDII code P1E6C in a Cadillac Hybrid/Electric Vehicle?

- Common symptoms include reduced hybrid/electric vehicle performance, decreased fuel efficiency, and potential warning lights on the dashboard.

2. What does the OBDII code P1E6C Cadillac Hybrid/Electric Vehicle Battery 65 Circuit indicate?

- This code specifically relates to an issue with the Hybrid/Electric Vehicle Battery 65 Circuit in a Cadillac vehicle.

3. What are possible causes of the P1E6C code in a Cadillac Hybrid/Electric Vehicle?

- Possible causes include a faulty battery pack, damaged wiring, poor connections, or a malfunctioning battery management system.

4. How can I diagnose the P1E6C code in my Cadillac Hybrid/Electric Vehicle?

- Diagnosis typically involves using a diagnostic scanner to read the code, inspecting the battery connections, checking for physical damage, and testing the battery itself.

5. What are the repair options for the P1E6C code in a Cadillac Hybrid/Electric Vehicle?

- Repair options may include replacing the battery pack, repairing damaged wiring, ensuring proper connections, and resetting the battery management system.

6. Can I drive my Cadillac with the P1E6C code present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety hazards.

7. How much does it cost to repair the P1E6C code in a Cadillac Hybrid/Electric Vehicle?

- Repair costs can vary depending on the specific issue, but it is important to address the problem promptly to prevent more severe damage.

8. Can I reset the P1E6C code in my Cadillac Hybrid/Electric Vehicle myself?

- You may be able to clear the code temporarily by using a diagnostic scanner, but it is important to address the underlying issue to prevent it from reoccurring.

9. Is the P1E6C code a common issue in Cadillac Hybrid/Electric Vehicles?

- While not extremely common, issues related to the Hybrid/Electric Vehicle Battery 65 Circuit can occur in Cadillac Hybrid/Electric Vehicles.

10. How can I prevent the P1E6C code from appearing in my Cadillac Hybrid/Electric Vehicle?

- Regular maintenance, proper charging practices, and timely repairs can help prevent issues related to the Hybrid/Electric Vehicle Battery 65 Circuit and reduce the likelihood of the P1E6C code appearing.