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Engine-Codes – Chevrolet – P0698 2017 Chevrolet Silverado

P0698 2017 Chevrolet Silverado Code - 5V Reference 3 Circuit Low Voltage

Quick Answer

The P0698 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the 5V reference 3 circuit experiencing low voltage. Common causes include Faulty 5V reference circuit, Short or open circuit in the wiring, Malfunctioning sensor or component connected to 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 2017 Chevrolet Silverado indicates 5V Reference 3 Circuit Low Voltage.
Common causes
Common causes include Faulty 5V reference circuit, Short or open circuit in the wiring, Malfunctioning sensor or component connected to 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 13, 2024
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Code P0698 2017 Chevrolet Silverado Description

The P0698 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the 5V reference 3 circuit experiencing low voltage. The 5V reference circuit is responsible for providing a stable 5-volt reference signal to various sensors and components throughout the vehicle. This signal is crucial for the proper operation of these sensors and components, as it ensures accurate readings and communication within the vehicle's electronic systems.

OBDII Code P0698 2017 Chevrolet Silverado - 5V Reference 3 Circuit Low Voltage
P0698 2017 Chevrolet Silverado Code - 5V Reference 3 Circuit Low Voltage

Common Causes of P0698 2017 Chevrolet Silverado

  1. Faulty 5V reference circuit
  2. Short or open circuit in the wiring
  3. Malfunctioning sensor or component connected to the circuit
  4. Problem with the engine control module (ECM)

Symptoms of P0698 2017 Chevrolet Silverado

  1. Check engine light illuminated on the dashboard
  2. Poor engine performance
  3. Rough idling or stalling
  4. Difficulty starting the vehicle
  5. Limp mode activation

How to Fix P0698 2017 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the 5V reference 3 circuit and associated components.
  2. Use a multimeter to test the voltage output of the circuit to determine if it is within the specified range.
  3. Check for any visible signs of damage or corrosion in the wiring and connectors.
  4. Replace any faulty sensors or components connected to the circuit.
  5. If necessary, reprogram or replace the engine control module (ECM) to address any issues with its functionality.

Cost to Fix P0698 2017 Chevrolet Silverado

The typical repair costs for addressing a P0698 code on a 2017 Chevrolet Silverado can range from $150 to $500, depending on the specific cause of the issue and the required repairs. This estimate includes parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check local rates 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.

What does this mean?

Tech Notes for P0698 2017 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 2017 Chevrolet Silverado Code

1. What does OBDII code P0698 mean on a 2017 Chevrolet Silverado?

P0698 indicates a "5V Reference 3 Circuit Low Voltage," meaning the vehicle's control module has detected an issue with the 5-volt reference signal in one of its circuits.

2. What are the common symptoms of code P0698 in a 2017 Chevrolet Silverado?

Symptoms may include the check engine light turning on, poor engine performance, issues with sensors like the throttle position sensor, and erratic transmission shifting.

3. What causes the P0698 code to appear?

Common causes include a faulty sensor (like the throttle position or pressure sensor), damaged wiring or connectors in the 5V reference circuit, or a malfunctioning powertrain control module (PCM).

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

Start by checking the wiring and connectors for damage or corrosion in the 5V reference circuit. Use a multimeter to verify voltage and continuity, and test any related sensors.

5. What sensors are typically associated with the 5V reference 3 circuit on a 2017 Chevrolet Silverado?

Sensors such as the throttle position sensor, fuel pressure sensor, or transmission pressure sensor may be linked to the 5V reference 3 circuit.

6. Can I drive my 2017 Silverado with the P0698 code?

It's not recommended, as the underlying issue could affect engine performance, fuel efficiency, or transmission operation, potentially leading to further damage.

7. How do I fix the P0698 code on my Silverado?

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

8. Is P0698 a common code for the 2017 Chevrolet Silverado?

While not extremely common, it can occur in vehicles where sensors or wiring in the 5V reference circuit are prone to damage or wear.

9. How much does it cost to repair a P0698 code?

Repair costs vary depending on the root cause. Fixing a damaged wire or connector may cost under $100, while sensor replacement could range from $150 to $300. PCM repairs can exceed $500.

10. Can a bad PCM cause the P0698 code?

Yes, although rare, a malfunctioning PCM can fail to supply the correct 5V reference signal, triggering the P0698 code.

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