Engine-Codes.com
Engine-Codes – Volkswagen – P0699 Volkswagen

P0699 Volkswagen Code - Sensor Reference Voltage 'C' Circuit High

Quick Answer

The P0699 code for Volkswagen vehicles indicates a problem with the Sensor Reference Voltage 'C' Circuit being too high. Common causes include Faulty sensor in the sensor reference voltage 'C' circuit, Malfunctioning voltage regulator, Wiring issues or shorts in the circuit. 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
P0699 Volkswagen indicates Sensor Reference Voltage 'C' Circuit High.
Common causes
Common causes include Faulty sensor in the sensor reference voltage 'C' circuit, Malfunctioning voltage regulator, Wiring issues or shorts in the circuit.
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 16, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0699 Volkswagen Description

The P0699 code for Volkswagen vehicles indicates a problem with the Sensor Reference Voltage 'C' Circuit being too high. This sensor reference voltage is crucial for the proper functioning of various sensors in the vehicle, including those related to the engine, transmission, and emissions systems. When the voltage in this circuit is too high, it can lead to incorrect sensor readings and potentially cause issues with the vehicle's performance.

OBDII Code P0699 Volkswagen - Sensor Reference Voltage 'C' Circuit High
P0699 Volkswagen Code - Sensor Reference Voltage 'C' Circuit High

Common Causes of P0699 Volkswagen

  1. Faulty sensor in the sensor reference voltage 'C' circuit
  2. Malfunctioning voltage regulator
  3. Wiring issues or shorts in the circuit
  4. Problem with the engine control module (ECM)
  5. Corrosion or poor connections in the electrical system

Symptoms of P0699 Volkswagen

  1. Rough idling or engine misfires
  2. Stalling or hesitation during acceleration
  3. Decreased fuel efficiency
  4. Check Engine Light illuminated on the dashboard
  5. Potential issues with the transmission shifting

How to Fix P0699 Volkswagen

  1. Begin by using a diagnostic scanner to retrieve the specific trouble code and identify the sensor causing the issue.
  2. Inspect the wiring and connections in the sensor reference voltage 'C' circuit for any damage, corrosion, or loose connections.
  3. Test the voltage regulator and replace it if necessary.
  4. Replace the faulty sensor in the circuit, if identified as the cause of the high voltage.
  5. Clear the trouble code from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0699 Volkswagen

The typical repair costs for addressing a Sensor Reference Voltage 'C' Circuit High issue can range from $150 to $400, depending on the specific cause of the problem and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops often charge less for repairs.

Need more information about the P0699 Volkswagen code?

Need more information on how to fix the P0699 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0699 Volkswagen code diagnosed by a professional: Find a repair shop in your area

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 P0699 Volkswagen Code

1. What are the common symptoms of OBDII code P0699 in a Volkswagen?

- Common symptoms include the check engine light being illuminated, engine performance issues, and potential drivability problems.

2. What does the OBDII code P0699 'Sensor Reference Voltage 'C' Circuit High' mean for a Volkswagen?

- This code indicates that the powertrain control module (PCM) has detected a high voltage condition in the circuit providing reference voltage to a sensor.

3. What can cause the OBDII code P0699 to trigger in a Volkswagen?

- Possible causes include a faulty sensor, damaged wiring or connectors in the sensor circuit, a malfunctioning PCM, or a short to voltage in the sensor circuit.

4. How serious is the OBDII code P0699 in a Volkswagen?

- While the vehicle may still be drivable with this code, it is important to address it promptly to prevent potential long-term damage to the engine or emissions system.

5. Can I continue driving my Volkswagen with the OBDII code P0699 present?

- It is generally not recommended to continue driving the vehicle with this code active, as it can lead to performance issues and potential damage if not addressed in a timely manner.

6. How can I diagnose the OBDII code P0699 in my Volkswagen?

- Diagnosing this code typically involves using a scan tool to retrieve the code, checking the sensor circuit for any visible damage, and testing the sensor and related components for proper operation.

7. What are some repair tips for fixing the OBDII code P0699 in a Volkswagen?

- Repair tips may include checking and repairing any damaged wiring or connectors, replacing the faulty sensor, resetting the code, and retesting the system to ensure the issue is resolved.

8. Is it possible to reset the OBDII code P0699 without fixing the underlying issue?

- While you can clear the code with a scan tool, it is important to address the root cause of the problem to prevent the code from reoccurring and potentially causing further issues.

9. Can a DIY enthusiast fix the OBDII code P0699 in a Volkswagen?

- Depending on the skill level and tools available, some DIY enthusiasts may be able to diagnose and repair the issue themselves, but it is recommended to consult a professional if unsure.

10. How much does it typically cost to repair the OBDII code P0699 in a Volkswagen?

- The cost of repairs can vary depending on the specific cause of the issue, but it may involve expenses for parts, labor, and diagnostic services, so it's recommended to get a quote from a trusted mechanic.

Discuss the causes and fixes for P0699 Volkswagen OBDII Code

Submit a New Comment

Code P0699 Volkswagen comments

No comments found for this page.