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Engine-Codes – Chevrolet – P0698 2015 Chevrolet Silverado

P0698 2015 Chevrolet Silverado Code - 5V Reference 3 Circuit Low Voltage

Quick Answer

The P0698 code for a 2015 Chevrolet Silverado indicates a problem with the 5V reference 3 circuit, specifically low voltage. Common causes include Faulty 5V reference 3 circuit wiring, Failed 5V reference 3 circuit sensor or component, Corrosion or poor connections 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
P0698 2015 Chevrolet Silverado indicates 5V Reference 3 Circuit Low Voltage.
Common causes
Common causes include Faulty 5V reference 3 circuit wiring, Failed 5V reference 3 circuit sensor or component, Corrosion or poor connections 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 Aug 19, 2024
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Code P0698 2015 Chevrolet Silverado Description

The P0698 code for a 2015 Chevrolet Silverado indicates a problem with the 5V reference 3 circuit, specifically low voltage. The 5V reference 3 circuit is responsible for supplying a 5-volt reference signal to various sensors and components within the vehicle's engine management system. When the voltage in this circuit drops below the specified threshold, it can lead to issues with sensor readings and overall engine performance.

OBDII Code P0698 2015 Chevrolet Silverado - 5V Reference 3 Circuit Low Voltage
P0698 2015 Chevrolet Silverado Code - 5V Reference 3 Circuit Low Voltage

Common Causes of P0698 2015 Chevrolet Silverado

  1. Faulty 5V reference 3 circuit wiring
  2. Failed 5V reference 3 circuit sensor or component
  3. Corrosion or poor connections in the circuit
  4. Issues with the powertrain control module (PCM)
  5. Electrical system malfunction

Symptoms of P0698 2015 Chevrolet Silverado

  1. Check engine light illuminated
  2. Engine running rough or stalling
  3. Reduced fuel efficiency
  4. Engine hesitation or lack of power
  5. No-start condition

How to Fix P0698 2015 Chevrolet Silverado

  1. Begin by inspecting the wiring and connections in the 5V reference 3 circuit for any signs of damage, corrosion, or poor connections.
  2. Test the 5V reference 3 circuit sensor or component using a multimeter to determine if it is functioning within specifications.
  3. Check the powertrain control module (PCM) for any faults or errors that may be causing the low voltage condition.
  4. Replace any faulty wiring, sensors, components, or the PCM as needed to resolve the issue.
  5. Clear the diagnostic trouble codes, reset the engine control module, and test drive the vehicle to ensure the problem has been rectified.

Cost to Fix P0698 2015 Chevrolet Silverado

The typical repair costs for addressing a P0698 code on a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, parts and labor for this type of repair could range from $150 to $500. Keep in mind that diagnosis time and labor rates can vary, so it's advisable to check with local auto repair shops for a more accurate estimate based on your location and vehicle specifics.

What does this mean?

Tech Notes for P0698 2015 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 P0698 2015 Chevrolet Silverado Code

1. What does the OBDII code P0698 mean on a 2015 Chevrolet Silverado?

P0698 indicates a "5V Reference 3 Circuit Low Voltage," meaning the vehicle's ECM has detected a low voltage issue in the 5-volt reference circuit that supplies certain sensors.

2. What are the common symptoms of code P0698 in a 2015 Chevrolet Silverado?

Symptoms may include a check engine light, poor engine performance, issues with transmission shifting, stalling, or failure of specific sensors to function properly.

3. What causes the P0698 code to appear on a 2015 Chevrolet Silverado?

Common causes include a short to ground in the 5V reference circuit, a faulty sensor connected to the circuit, damaged wiring or connectors, or a malfunctioning ECM.

4. Which sensors could be affected by the P0698 code on a 2015 Chevrolet Silverado?

The code typically affects sensors relying on the 5V reference, such as the throttle position sensor (TPS), manifold absolute pressure (MAP) sensor, or other engine management sensors.

5. Can I continue driving my 2015 Chevrolet Silverado with the P0698 code?

It is not recommended to drive for extended periods with this code, as it can cause drivability issues and potentially lead to further damage if not addressed.

6. How can I diagnose the P0698 code on my Chevrolet Silverado?

Start by inspecting the wiring and connectors for damage or corrosion, test the sensors on the 5V reference circuit, and use a multimeter to check voltage at the ECM and sensors.

7. What repairs can fix the P0698 code on a 2015 Chevrolet Silverado?

Repairs may include replacing damaged wiring, repairing or replacing a faulty sensor, cleaning corroded connectors, or replacing the ECM if necessary.

8. How much does it cost to fix the P0698 code on a 2015 Chevrolet Silverado?

Costs vary depending on the issue. Wiring repairs or sensor replacements may cost $50-$300, while ECM replacement and reprogramming could cost $500 or more.

9. Can a dead battery cause the P0698 code in a 2015 Chevrolet Silverado?

A dead or weak battery is unlikely to directly cause P0698, but electrical system issues, such as low voltage or poor grounding, can contribute to similar problems.

10. Is the P0698 code covered under warranty for a 2015 Chevrolet Silverado?

If the vehicle is still under warranty, powertrain or emissions-related warranties may cover repairs. Check with your dealership for specific coverage details.

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