AutoCodes – Cadillac – P1EEC Cadillac

P1EEC Cadillac Code - Battery Charger Control Module Reference Voltage 3 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: P1EEC Cadillac indicates Battery Charger Control Module Reference Voltage 3 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 673

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 P1EEC 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 P1EEC Cadillac - Battery Charger Control Module Reference Voltage 3 Circuit High Voltage - AutoCodes.com — P1EEC Cadillac Code - Battery Charger Control Module Reference Voltage 3 Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P1EEC Cadillac?

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

How to Fix the DTC P1EEC 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 P1EEC 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 P1EEC Cadillac Code

1. What does OBDII code P1EEC in a Cadillac indicate?

- The code P1EEC signifies a high voltage issue in the Battery Charger Control Module Reference Voltage 3 Circuit.

2. What are the common symptoms of a P1EEC code in a Cadillac?

- Common symptoms include a check engine light, issues with starting the vehicle, and potential charging system problems.

3. What are the possible causes of a P1EEC code in a Cadillac?

- The P1EEC code can be triggered by a faulty battery charger control module, damaged wiring or connectors, or a malfunction in the reference voltage circuit.

4. How can I diagnose a P1EEC code in my Cadillac?

- Diagnosing a P1EEC code typically involves using an OBDII scanner to retrieve the code, inspecting the battery charger control module, checking the wiring and connectors for any damage, and testing the reference voltage circuit.

5. What repairs are usually needed for a P1EEC code in a Cadillac?

- Repairs for a P1EEC code may involve replacing the battery charger control module, repairing or replacing damaged wiring or connectors, and addressing any issues with the reference voltage circuit.

6. Can I drive my Cadillac with a P1EEC fault code?

- It is not recommended to drive your Cadillac with a P1EEC fault code, as it can lead to potential charging system failures and other electrical issues.

7. How urgent is it to address a P1EEC fault code in a Cadillac?

- It is important to address a P1EEC fault code promptly to prevent further damage to the vehicle's electrical system and ensure proper operation of the charging system.

8. Can a DIY enthusiast repair a P1EEC fault code in a Cadillac?

- While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing a P1EEC fault code may require specialized knowledge and tools, so it is recommended to consult a professional mechanic.

9. How much does it typically cost to fix a P1EEC fault code in a Cadillac?

- The cost of fixing a P1EEC fault code in a Cadillac can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. How can I prevent a P1EEC fault code from occurring in my Cadillac?

- To prevent a P1EEC fault code, it is important to regularly maintain your vehicle's electrical system, including the battery and charging components, and address any warning signs or issues promptly.