AutoCodes – Generic – P10E4

P10E4 Code - Valvetronic Relay Supply Voltage Circuit/Open

Quick Answer

The Engine Control Module (ECM) monitors the Valvetronic Relay. Common causes include Faulty Valvetronic Relay, Valvetronic Relay harness is open or shorted, Valvetronic 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: P10E4 indicates Valvetronic Relay Supply Voltage Circuit/Open.
Common causes: Common causes include Faulty Valvetronic Relay, Valvetronic Relay harness is open or shorted, Valvetronic 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 22,869

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 Aug 11, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P10E4 Description

The Engine Control Module (ECM) monitors the Valvetronic Relay. The ECM sets the Diagnostic Trouble Code (DTC) when the Valvetronic Relay is not to factory specifications.

OBDII Code P10E4 - Valvetronic Relay Supply Voltage Circuit/Open - AutoCodes.com — P10E4 Code - Valvetronic Relay Supply Voltage Circuit/Open

What does this mean?

What are the Possible Causes of the DTC P10E4?

Faulty Valvetronic Relay
Valvetronic Relay harness is open or shorted
Valvetronic Relay circuit poor electrical connection

How to Fix the DTC P10E4?

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 P10E4 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 P10E4 code?

Need more information on how to fix the P10E4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P10E4 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P10E4 BMW — Valvetronic Relay Supply Voltage Circuit/Open
P10E4 Buick — Ignition On/Start Circuit Source Bypass Relay Control Performance
P10E4 Cadillac — Ignition On/Start Circuit Source Bypass Relay Control Performance
P10E4 Chevrolet — Ignition On/Start Circuit Source Bypass Relay Control Performance
P10E4 GMC — Ignition On/Start Circuit Source Bypass Relay Control Performance
P10E4 MINI — Valvetronic Relay Supply Voltage Circuit/Open

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 P10E4 Code

1. What are the common symptoms of OBDII code P10E4 Valvetronic Relay Supply Voltage Circuit/Open?

The common symptoms of this code may include rough idling, decreased engine performance, and the illumination of the Check Engine light.

2. What are the possible causes of OBDII code P10E4 Valvetronic Relay Supply Voltage Circuit/Open?

Possible causes of this code include a faulty valvetronic relay, damaged wiring or connectors in the valvetronic system, or a problem with the engine control module (ECM).

3. How can I diagnose OBDII code P10E4 Valvetronic Relay Supply Voltage Circuit/Open?

Diagnosing this code typically involves using a scan tool to retrieve the code, checking the wiring and connectors for any visible damage, and testing the valvetronic relay for proper functioning.

4. Can OBDII code P10E4 Valvetronic Relay Supply Voltage Circuit/Open be fixed at home?

Depending on your skill level and access to tools, you may be able to fix this code at home by checking and repairing any damaged wiring or connectors, or replacing the valvetronic relay if necessary.

5. Is it safe to drive with OBDII code P10E4 Valvetronic Relay Supply Voltage Circuit/Open?

It is not recommended to drive with this code present, as it can lead to further damage to the engine and affect the overall performance of the vehicle.

6. How do I reset OBDII code P10E4 Valvetronic Relay Supply Voltage Circuit/Open?

After fixing the underlying issue causing the code, you can reset it using an OBDII scan tool or by disconnecting the car's battery for a few minutes and then reconnecting it.

7. What are the repair tips for fixing OBDII code P10E4 Valvetronic Relay Supply Voltage Circuit/Open?

Repair tips include checking all related components thoroughly, ensuring proper connections and wiring, and using a quality replacement part if needed.

8. Can a faulty valvetronic relay cause other issues in the vehicle?

Yes, a faulty valvetronic relay can cause other issues such as engine misfires, poor fuel efficiency, and difficulties starting the vehicle.

9. How much does it cost to repair OBDII code P10E4 Valvetronic Relay Supply Voltage Circuit/Open?

The cost of repairing this code can vary depending on the extent of the damage and whether you choose to fix it yourself or take it to a professional mechanic. Costs may range from a few hundred to a thousand dollars.

10. How important is it to address OBDII code P10E4 Valvetronic Relay Supply Voltage Circuit/Open promptly?

It is important to address this code promptly to prevent further damage to the engine and ensure the vehicle operates efficiently. Ignoring the issue can lead to more serious problems down the line.