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Engine-Codes – Chevrolet – P0699 2014 Chevrolet Silverado

P0699 2014 Chevrolet Silverado Code - 5V Reference 3 Circuit High Voltage

Quick Answer

The P0699 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates that there is a high voltage condition in the 5V reference 3 circuit. Common causes include Faulty 5V reference 3 circuit sensor, Short circuit in the wiring harness, Corrosion or damage to electrical connectors. 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 2014 Chevrolet Silverado indicates 5V Reference 3 Circuit High Voltage.
Common causes
Common causes include Faulty 5V reference 3 circuit sensor, Short circuit in the wiring harness, Corrosion or damage to electrical connectors.
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 14, 2024
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Code P0699 2014 Chevrolet Silverado Description

The P0699 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates that there is a high voltage condition in the 5V reference 3 circuit. The 5V reference circuit is responsible for providing a stable 5-volt reference signal to various sensors and components throughout the vehicle. This reference voltage is crucial for the proper operation of these sensors and components, as it ensures accurate readings and communication within the vehicle's systems.

OBDII Code P0699 2014 Chevrolet Silverado - 5V Reference 3 Circuit High Voltage
P0699 2014 Chevrolet Silverado Code - 5V Reference 3 Circuit High Voltage

Common Causes of P0699 2014 Chevrolet Silverado

  1. Faulty 5V reference 3 circuit sensor
  2. Short circuit in the wiring harness
  3. Corrosion or damage to electrical connectors
  4. Issues with the Engine Control Module (ECM)
  5. Electrical interference or noise

Symptoms of P0699 2014 Chevrolet Silverado

  1. Engine misfires
  2. Check Engine Light illuminated
  3. Reduced fuel efficiency
  4. Rough idling
  5. Loss of power

How to Fix P0699 2014 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the 5V reference 3 circuit, including sensors, wiring, and connectors.
  2. Test the 5V reference 3 circuit sensor for proper operation and replace if necessary.
  3. Check for any shorts or damage in the wiring harness and repair or replace as needed.
  4. Inspect and clean electrical connectors to ensure proper connections.
  5. Clear the DTC and perform a test drive to verify that the issue has been resolved.

Cost to Fix P0699 2014 Chevrolet Silverado

The typical repair costs for addressing a P0699 code in a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the parts required for this repair may range from $50 to $200, while labor costs can range from $100 to $300. It's important to note that these estimates are general guidelines, and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. Additionally, diagnostic time and labor rates at auto repair shops can vary, so it's advisable to obtain quotes from local shops for a more accurate estimate.

What does this mean?

Tech Notes for P0699 2014 Chevrolet Silverado

Disconnecting one component at a time from the affected 5 Volt reference circuit while observing the scan tool 5 Volt Reference Circuit Status parameter may help locate the fault. The scan tool parameter will change from Malfunction to OK when the source of the fault is disconnected. If all 5 Volt reference components have been disconnected and a fault is still indicated, the fault may exist in the wiring harness.



The 5 Volt reference 3 circuit provides 5 Volt to the following sensors: (Some models may have different sensors, please consult the factory service manual for the list of sensors for your model and year)



- Accelerator pedal position sensor 2

- Manifold absolute pressure sensor

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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 P0699 2014 Chevrolet Silverado Code

1. What does the OBDII code P0699 mean on a 2014 Chevrolet Silverado?

P0699 indicates a "5V Reference 3 Circuit High Voltage" issue, meaning the 5-volt reference circuit for certain sensors is reading a voltage higher than specified.

2. What are the common symptoms of a P0699 code in a 2014 Chevrolet Silverado?

Symptoms may include the check engine light turning on, poor engine performance, erratic sensor readings, or difficulty starting the engine.

3. What causes the P0699 code to appear on a 2014 Chevrolet Silverado?

Common causes include a faulty sensor, damaged wiring, loose or corroded electrical connections, or a malfunctioning powertrain control module (PCM).

4. Which sensors are typically affected by the 5V reference circuit in a 2014 Chevrolet Silverado?

The 5V reference circuit commonly affects sensors like the throttle position sensor (TPS), manifold absolute pressure (MAP) sensor, or crankshaft position sensor.

5. How can I diagnose the P0699 code on my 2014 Chevrolet Silverado?

Start by checking for damaged wires or loose connections in the 5V reference circuit, testing individual sensors for proper function, and measuring the actual voltage in the circuit using a multimeter.

6. Is it safe to drive my 2014 Chevrolet Silverado with a P0699 code?

Driving with a P0699 code is not recommended, as it may cause performance issues or further damage to engine components.

7. How do I fix a P0699 code on a 2014 Chevrolet Silverado?

Repairs may involve replacing a faulty sensor, repairing damaged wiring, cleaning corroded connections, or, in rare cases, replacing the PCM.

8. Can a bad PCM cause the P0699 code in a 2014 Chevrolet Silverado?

Yes, a malfunctioning PCM can cause incorrect voltage regulation in the 5V reference circuit, triggering the P0699 code.

9. What tools do I need to fix the P0699 code on my Silverado?

You’ll need an OBDII scanner, a multimeter, and basic tools for inspecting and repairing wiring or replacing sensors.

10. How much does it cost to repair a P0699 code on a 2014 Chevrolet Silverado?

Repair costs vary depending on the issue; sensor replacement might cost $50-$200, while wiring repairs or PCM replacement could cost significantly more.

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