AutoCodes – Buick – P1EDA Buick

P1EDA Buick Code - Battery Charger Converter Input Voltage Sensor 1 Circuit High Voltage

Quick Answer

The battery charger contains several internal sensor diagnostics that require the vehicle AC supply to be in the proper range. 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: P1EDA Buick indicates Battery Charger Converter Input Voltage Sensor 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 805

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 P1EDA Buick Description

The battery charger contains several internal sensor diagnostics that require the vehicle AC supply to be in the proper range. These diagnostics are internal battery charger diagnostics, but need the correct AC voltage to run properly.

OBDII Code P1EDA Buick - Battery Charger Converter Input Voltage Sensor 1 Circuit High Voltage - AutoCodes.com — P1EDA Buick Code - Battery Charger Converter Input Voltage Sensor 1 Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P1EDA Buick?

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

How to Fix the DTC P1EDA 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 P1EDA 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 P1EDA Buick code?

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Need Help with the 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 P1EDA Buick Code

1. What does the OBDII code P1EDA mean on a Buick?

P1EDA indicates a high voltage issue in the Battery Charger Converter Input Voltage Sensor 1 Circuit, often related to hybrid or electric vehicle systems.

2. What are common symptoms of the P1EDA code in a Buick?

Symptoms may include the Check Engine Light turning on, reduced vehicle performance, issues with charging or hybrid functions, and possibly limited drivability.

3. What causes the P1EDA code to appear?

Common causes include a faulty voltage sensor, damaged wiring or connectors in the circuit, a malfunctioning battery charger converter, or software issues in the powertrain control module (PCM).

4. Can I drive my Buick with the P1EDA code?

Driving with this code is not recommended, as it may lead to further damage to the hybrid or electrical system and can reduce performance or safety.

5. How is the P1EDA code diagnosed?

A technician will inspect the wiring and connectors in the circuit, test the voltage sensor for proper function, and check the battery charger converter for faults using specialized diagnostic tools.

6. What repairs are needed to fix the P1EDA code?

Repairs may include replacing a faulty voltage sensor, repairing damaged wiring or connectors, updating or reprogramming the PCM, or replacing the battery charger converter if necessary.

7. Does the P1EDA code require a software update?

In some cases, a PCM software update may resolve the issue if it's caused by a glitch or miscommunication in the system.

8. How much does it cost to fix the P1EDA code?

The cost depends on the cause but typically ranges from $150 to $800, depending on whether the issue is with the sensor, wiring, or battery charger converter.

9. Can a dead hybrid battery cause the P1EDA code?

While not a direct cause, issues with the hybrid battery can stress the system and contribute to faults in the voltage sensor circuit.

10. How can I prevent the P1EDA code from recurring?

Regular maintenance of the hybrid/electric system, ensuring clean and secure wiring connections, and addressing Check Engine Lights promptly can help prevent recurrence.