AutoCodes – Buick – P1EE7 Buick

P1EE7 Buick Code - Battery Charger Control Module Reference Voltage 1 Circuit Low Voltage

Quick Answer

The battery charger will diagnose its own systems and determine when a fault condition is present. Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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: P1EE7 Buick indicates Battery Charger Control Module Reference Voltage 1 Circuit Low Voltage.
Common causes: Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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 750

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 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1EE7 Buick Description

The battery charger will diagnose its own systems and determine when a fault condition is present. Diagnostics and system status is communicated from the battery charger to the hybrid/EV powertrain control module 2 through serial data. The hybrid/EV powertrain control module 2 is the host controller for Diagnostic Trouble Code (DTC) information. This DTC is for the battery charger are internal measurements that verify the charger is performing properly. The battery charger measures internal voltages, currents, and temperatures and verifies they are within the proper range.

OBDII Code P1EE7 Buick - Battery Charger Control Module Reference Voltage 1 Circuit Low Voltage - AutoCodes.com — P1EE7 Buick Code - Battery Charger Control Module Reference Voltage 1 Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1EE7 Buick?

Faulty Battery Charger
Battery Charger harness is open or shorted
Battery Charger circuit poor electrical connection

How to Fix the DTC P1EE7 Buick?

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 P1EE7 Buick 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 P1EE7 Buick 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 P1EE7 Buick Code

1. What does the OBDII code P1EE7 mean on a Buick?

The P1EE7 code indicates a low voltage issue in the Battery Charger Control Module Reference Voltage 1 Circuit, which is part of the vehicle's hybrid or electric system.

2. What are the common symptoms of code P1EE7 in a Buick?

Symptoms may include an illuminated check engine light, reduced fuel efficiency, limited hybrid or electric system functionality, or difficulty charging the battery.

3. What causes the P1EE7 code to appear in a Buick?

Possible causes include a faulty battery charger control module, damaged or corroded wiring, a poor electrical connection, or a failing battery pack.

4. Can I continue driving my Buick with the P1EE7 code?

While the vehicle may still be operable, driving with this code can lead to reduced performance and may cause further damage to the hybrid or electric system. Itâ€™s best to address the issue promptly.

5. How do I diagnose the P1EE7 code in my Buick?

Diagnosis typically involves checking the battery charger control module, inspecting wiring and connectors for damage or corrosion, and testing the reference voltage circuit with a multimeter.

6. How is the P1EE7 code repaired in a Buick?

Repairs may include replacing damaged wiring, cleaning or reconnecting electrical connectors, or replacing the faulty battery charger control module.

7. Can a low-voltage battery cause the P1EE7 code?

Yes, a low or failing high-voltage battery can trigger this code, as it can disrupt the reference voltage circuit.

8. How much does it cost to fix the P1EE7 code in a Buick?

Repair costs vary depending on the specific issue but can range from $100 for minor wiring repairs to over $1,000 if the battery charger control module needs replacement.

9. Can a DIYer fix the P1EE7 code on a Buick?

A skilled DIYer may be able to inspect and repair wiring or connectors, but diagnosing and replacing the battery charger control module often requires specialized tools and expertise.

10. Will clearing the P1EE7 code with a scanner fix the problem?

Clearing the code will not resolve the underlying issue. The problem must be properly diagnosed and repaired to prevent the code from returning.