AutoCodes – Buick – P10E2 Buick

P10E2 Buick Code - Ignition On/Start Circuit Source Bypass Relay Control Circuit Low Voltage

Quick Answer

The Engine Control Module (ECM) contains a microprocessor used to process input data to control outputs. Common causes include Faulty Engine Control Module Wake-Up Relay, Engine Control Module Wake-Up Relay harness is open or shorted, Engine Control Module Wake-Up Relay 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: P10E2 Buick indicates Ignition On/Start Circuit Source Bypass Relay Control Circuit Low Voltage.
Common causes: Common causes include Faulty Engine Control Module Wake-Up Relay, Engine Control Module Wake-Up Relay harness is open or shorted, Engine Control Module Wake-Up Relay 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 432

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 11, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P10E2 Buick Description

The Engine Control Module (ECM) contains a microprocessor used to process input data to control outputs. The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly. Relays are used to control a high-power circuit with a low power signal. The output circuit is switched to the ground to activate the component. The Diagnostic Trouble Code (DTC) will be set when the Control Circuit is short to ground for greater than 1 s.

OBDII Code P10E2 Buick - Ignition On/Start Circuit Source Bypass Relay Control Circuit Low Voltage - AutoCodes.com — P10E2 Buick Code - Ignition On/Start Circuit Source Bypass Relay Control Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P10E2 Buick?

Faulty Engine Control Module Wake-Up Relay
Engine Control Module Wake-Up Relay harness is open or shorted
Engine Control Module Wake-Up Relay circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P10E2 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 P10E2 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.

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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 P10E2 Buick Code

1. What are the common symptoms of OBDII code P10E2 in a Buick related to Ignition On/Start Circuit Source Bypass Relay Control Circuit Low Voltage?

- Common symptoms include difficulty starting the vehicle, intermittent starting issues, and potential stalling while driving.

2. What are the possible causes of the P10E2 code in a Buick?

- The code may be triggered by a faulty ignition switch, damaged wiring in the circuit, a defective relay, or a weak battery.

3. How can I diagnose the source of the Ignition On/Start Circuit Source Bypass Relay Control Circuit Low Voltage issue in my Buick?

- A thorough inspection of the ignition system, checking the wiring for any damage, and testing the relay and battery voltage can help pinpoint the root cause.

4. Can a weak battery cause the P10E2 code in a Buick?

- Yes, a weak or failing battery can lead to low voltage in the ignition system, triggering the P10E2 code.

5. What are some repair tips for addressing the P10E2 code in a Buick?

- Start by checking and possibly replacing the battery, inspecting the ignition switch and wiring, and testing the relay for proper function.

6. Is it safe to continue driving my Buick with the P10E2 code present?

- It is not recommended to continue driving with the P10E2 code, as it can lead to potential starting and stalling issues, compromising the vehicle's safety and reliability.

7. Can I reset the P10E2 code in my Buick by disconnecting the battery?

- While disconnecting the battery may temporarily clear the code, it is essential to address the underlying issue causing the low voltage condition to prevent the code from reoccurring.

8. How much does it typically cost to repair the Ignition On/Start Circuit Source Bypass Relay Control Circuit Low Voltage issue in a Buick?

- The cost of repair can vary depending on the exact cause of the problem, but it may involve replacing the battery, ignition switch, wiring, or relay, which can range from a few hundred to over a thousand dollars.

9. Can a DIY enthusiast fix the P10E2 code in a Buick, or is it better to seek professional help?

- Depending on your level of automotive expertise and access to tools, you may be able to diagnose and repair the issue yourself. However, if you are unsure or unfamiliar with electrical systems, it is recommended to consult a professional mechanic.

10. How long does it take to repair the P10E2 code related to Ignition On/Start Circuit Source Bypass Relay Control Circuit Low Voltage in a Buick?

- The repair time can vary based on the specific cause of the code and the extent of the repairs needed. It can take anywhere from a few hours to a full day to address the issue thoroughly.