AutoCodes – Generic – P1EE8

P1EE8 Code - Battery Charger Control Module Reference Voltage 1 Circuit High 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: P1EE8 indicates Battery Charger Control Module Reference Voltage 1 Circuit High 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 973

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 P1EE8 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 P1EE8 - Battery Charger Control Module Reference Voltage 1 Circuit High Voltage - AutoCodes.com — P1EE8 Code - Battery Charger Control Module Reference Voltage 1 Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P1EE8?

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

How to Fix the DTC P1EE8?

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 P1EE8 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 P1EE8 code?

Need more information on how to fix the P1EE8 code? Get Access to Factory Service Manuals

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Information for Specific Makes

P1EE8 Buick — Battery Charger Control Module Reference Voltage 1 Circuit High Voltage
P1EE8 Cadillac — Battery Charger Control Module Reference Voltage 1 Circuit High Voltage
P1EE8 Chevrolet — Battery Charger Control Module Reference Voltage 1 Circuit High Voltage
P1EE8 GMC — Battery Charger Control Module Reference Voltage 1 Circuit High Voltage
P1EE8 Saturn — Battery Charger Control Module Reference Voltage 1 Circuit High Voltage

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 P1EE8 Code

1. What does the OBDII code P1EE8 mean?

Code P1EE8 indicates that the Battery Charger Control Module has detected a high voltage condition in the Reference Voltage 1 Circuit, which is used to monitor and control charging system performance.

2. What are the common symptoms of P1EE8?

Symptoms may include an illuminated Check Engine Light, reduced charging system efficiency, hybrid or electric vehicle charging issues, or limited performance in electric drive modes.

3. What causes the P1EE8 code to appear?

Common causes include a faulty Battery Charger Control Module, damaged or corroded wiring, poor electrical connections, or a malfunctioning sensor in the charging system.

4. Can I drive my vehicle with a P1EE8 code?

Driving with this code is not recommended, as it may lead to charging system failure, reduced performance, or damage to the battery system in hybrid or electric vehicles.

5. How is the P1EE8 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the wiring and connectors for damage or corrosion, test the Reference Voltage 1 Circuit, and verify the operation of the Battery Charger Control Module.

6. How can I fix the P1EE8 code?

Repairs may involve replacing damaged wiring, cleaning or securing electrical connections, or replacing a faulty Battery Charger Control Module if necessary.

7. Is the P1EE8 code specific to electric or hybrid vehicles?

Yes, this code is typically specific to hybrid and electric vehicles, where the charging system and battery management are critical components.

8. Can a low-voltage battery cause the P1EE8 code?

While unlikely, issues with the low-voltage battery or its connections can sometimes contribute to charging system problems, so these should be inspected during diagnosis.

9. What tools are needed to fix the P1EE8 code?

Basic tools include a multimeter for voltage testing, a scan tool to read and clear codes, and possibly specialized tools for working on high-voltage systems in hybrid or electric vehicles.

10. How much does it cost to repair the P1EE8 code?

Repair costs vary depending on the root cause but can range from $100 for wiring repairs to over $1,000 if the Battery Charger Control Module needs replacement.