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Engine-Codes – Generic – P1019

P1019 Code - Valvetronic Eccentric Shaft Sensor Power Supply High

Quick Answer

The P1019 diagnostic trouble code (DTC) indicates a problem with the Valvetronic eccentric shaft sensor power supply being too high. Common causes include Faulty Valvetronic eccentric shaft sensor: The sensor may be malfunctioning, sending incorrect signals to the ECM, Wiring or connection issues: Loose or damaged wiring connections can disrupt the sensor's power supply, Faulty ECM: A malfunctioning ECM can affect the sensor's power supply and cause the code to trigger. 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
P1019 indicates Valvetronic Eccentric Shaft Sensor Power Supply High.
Common causes
Common causes include Faulty Valvetronic eccentric shaft sensor: The sensor may be malfunctioning, sending incorrect signals to the ECM, Wiring or connection issues: Loose or damaged wiring connections can disrupt the sensor's power supply, Faulty ECM: A malfunctioning ECM can affect the sensor's power supply and cause the code to trigger.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1019 Description

The P1019 diagnostic trouble code (DTC) indicates a problem with the Valvetronic eccentric shaft sensor power supply being too high. The Valvetronic system is a variable valve lift system that controls the intake and exhaust valves' lift by utilizing an eccentric shaft to actuate the valves. The eccentric shaft sensor monitors the position of the Valvetronic eccentric shaft and sends signals to the engine control module (ECM) to adjust the valve lift accordingly.

OBDII Code P1019 - Valvetronic Eccentric Shaft Sensor Power Supply High
P1019 Code - Valvetronic Eccentric Shaft Sensor Power Supply High

Common Causes of P1019

  1. Faulty Valvetronic eccentric shaft sensor: The sensor may be malfunctioning, sending incorrect signals to the ECM.
  2. Wiring or connection issues: Loose or damaged wiring connections can disrupt the sensor's power supply.
  3. Faulty ECM: A malfunctioning ECM can affect the sensor's power supply and cause the code to trigger.
  4. Power supply circuit problems: Issues with the power supply circuit can lead to high voltage reaching the sensor.

Symptoms of P1019

  1. Rough idling: The engine may idle roughly or inconsistently due to improper valve lift control.
  2. Loss of power: The vehicle may experience a decrease in power output, making acceleration sluggish.
  3. Poor fuel economy: The engine may consume more fuel than usual due to inefficient valve operation.
  4. Misfires: Misfires can occur when the valves do not open and close properly, leading to incomplete combustion.
  5. Stalling: In severe cases, the vehicle may stall unexpectedly due to the engine not receiving the correct valve lift signals.

How to Fix P1019

  1. Diagnose the issue: Use a diagnostic scanner to retrieve the DTC and perform a thorough inspection of the Valvetronic system components.
  2. Test the Valvetronic eccentric shaft sensor: Check the sensor's resistance and voltage output to determine if it is functioning correctly.
  3. Inspect wiring and connections: Ensure all wiring connections to the sensor are secure and free of damage.
  4. Check the power supply circuit: Test the power supply circuit for any faults or irregularities that may be causing the high voltage issue.
  5. Replace faulty components: Replace the Valvetronic eccentric shaft sensor, repair any damaged wiring or connections, or replace the ECM if necessary.

Cost to Fix P1019

The typical repair costs for addressing a Valvetronic eccentric shaft sensor power supply high issue can range from $200 to $500, including parts and labor. However, the actual cost may vary depending on the vehicle's make and model, the location of the repair shop, and the extent of the repairs needed. It's advisable to consult with a professional mechanic to get an accurate estimate based on your specific circumstances. Keep in mind that diagnostic time and labor rates can vary, so it's essential to factor those into the overall cost.

When is the Code Detected?

Valvetronic eccentric shaft guiding sensor solenoid loss bank 1

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Code P1019 Information for Specific Makes

  • P1019 BMW — Valvetronic Eccentric Shaft Sensor Power Supply High
  • P1019 Buick — Reductant Control Module Sensor Communication Voltage Supply Circuit High Voltage
  • P1019 Cadillac — Reductant Control Module Sensor Communication Voltage Supply Circuit High Voltage
  • P1019 Chevrolet — Reductant Control Module Sensor Communication Voltage Supply Circuit High Voltage
  • P1019 Dodge — Reductant Control Module Sensor Communication Voltage Supply Circuit High Voltage
  • P1019 GMC — Reductant Control Module Sensor Communication Voltage Supply Circuit High Voltage
  • P1019 MINI — Valvetronic Eccentric Shaft Sensor Power Supply High
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 P1019 Code

1. What are common symptoms of OBDII code P1019 (Valvetronic Eccentric Shaft Sensor Power Supply High)?

The common symptoms of this code may include rough idling, engine misfires, loss of power, and illuminated check engine light.

2. What can cause OBDII code P1019 to trigger?

This code is usually triggered by a faulty Valvetronic eccentric shaft sensor, issues with the sensor's power supply circuit, or a wiring problem.

3. How serious is OBDII code P1019?

While the severity can vary, it is important to address this code promptly as it can lead to poor engine performance and potential damage if left unresolved.

4. Can I still drive my vehicle with OBDII code P1019?

It is generally not recommended to drive your vehicle with this code present, as it can cause further damage and potentially leave you stranded.

5. How can I diagnose OBDII code P1019?

Diagnosing this code typically involves using a scan tool to retrieve the code, checking the sensor and its wiring for faults, and testing the power supply circuit.

6. What is the typical repair for OBDII code P1019?

The typical repair involves replacing the faulty Valvetronic eccentric shaft sensor, repairing any wiring issues, and addressing the power supply problem.

7. Can I reset OBDII code P1019 without fixing the underlying issue?

While you can clear the code with a scan tool, it is not recommended as the issue will likely resurface, causing further problems.

8. How much does it cost to repair OBDII code P1019?

The cost of repair can vary depending on the extent of the issue, but it typically involves the cost of a new sensor and any necessary labor charges.

9. Are there any preventive measures to avoid OBDII code P1019?

Regular maintenance, such as checking and replacing sensors as needed, can help prevent issues that lead to this code.

10. Can a DIY enthusiast fix OBDII code P1019?

While some experienced DIY enthusiasts may be able to tackle this repair, it is often best left to professionals due to the complexity of the system involved.

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