AutoCodes – Cadillac – P1EE9 Cadillac

P1EE9 Cadillac Code - Battery Charger Control Module Reference Voltage 2 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
P1EE9 Cadillac indicates Battery Charger Control Module Reference Voltage 2 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 744
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 25, 2020
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Code P1EE9 Cadillac 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 P1EE9 Cadillac - Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage  - AutoCodes.com
P1EE9 Cadillac Code - Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage

What are the Possible Causes of the DTC P1EE9 Cadillac?

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

How to Fix the DTC P1EE9 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 P1EE9 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 P1EE9 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 P1EE9 Cadillac Code

1. What are the common symptoms of OBDII code P1EE9 in a Cadillac related to the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Common symptoms include difficulty starting the vehicle, reduced battery charging performance, and potential illumination of the battery warning light on the dashboard.

2. What are the possible causes of OBDII code P1EE9 in a Cadillac indicating the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Possible causes can include a faulty battery charger control module, damaged wiring or connectors in the reference voltage circuit, low battery voltage, or a malfunctioning battery charger.

3. How can I diagnose OBDII code P1EE9 in a Cadillac related to the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Diagnosis typically involves using a diagnostic scan tool to retrieve the trouble code, checking the battery charger control module for any visible damage, inspecting the wiring and connectors for signs of wear or corrosion, and testing the battery voltage.

4. Can I continue driving my Cadillac with OBDII code P1EE9 indicating the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- It is not recommended to drive the vehicle with this code present, as it can lead to issues with the battery charging system and potentially cause further damage. It is best to address the problem promptly.

5. What are some repair tips for resolving OBDII code P1EE9 in a Cadillac related to the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- Repair tips may include replacing the battery charger control module, repairing any damaged wiring or connectors, ensuring the battery is in good condition, and resetting the trouble code after the repairs are completed.

6. Is it necessary to visit a dealership or mechanic to fix OBDII code P1EE9 in a Cadillac indicating the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- While it is possible to address the issue independently if you have the necessary tools and expertise, seeking professional assistance from a dealership or mechanic is recommended for a proper diagnosis and repair of the problem.

7. How much does it typically cost to repair OBDII code P1EE9 in a Cadillac related to the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- The cost of repair can vary depending on the specific cause of the issue, the parts needed for replacement, and the labor rates of the service provider. It is advisable to obtain a few quotes from different sources for an accurate estimate.

8. Can a low battery voltage cause OBDII code P1EE9 to trigger in a Cadillac?

- Yes, a low battery voltage can contribute to triggering OBDII code P1EE9, as it can impact the performance of the battery charger control module and affect the reference voltage circuit, leading to a low voltage condition.

9. Are there any preventive measures to avoid OBDII code P1EE9 related to the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage in a Cadillac?

- Regularly maintaining the vehicle's battery, checking the charging system for any abnormalities, and addressing any warning signs promptly can help prevent issues like OBDII code P1EE9 from occurring.

10. How urgent is it to address OBDII code P1EE9 in a Cadillac indicating the Battery Charger Control Module Reference Voltage 2 Circuit Low Voltage?

- It is recommended to address the issue as soon as possible to prevent further damage to the battery charging system and ensure the vehicle's proper operation. Ignoring the problem can lead to potential battery-related issues and affect the vehicle's performance.

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