AutoCodes – Chevrolet – P0698 2014 Chevrolet Silverado

P0698 2014 Chevrolet Silverado Code - 5V Reference 3 Circuit Low Voltage

Quick Answer

The Engine Control Module (ECM) has four (4) internal 5 Volt reference circuits (Some models have two (2) internal 5 Volt reference circuits). Common causes include Faulty Sensor on 5 Volt circuit, Sensor on 5 Volt circuit harness is open or shorted, Sensor on 5 Volt circuit poor electrical connection. 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 2014 Chevrolet Silverado indicates 5V Reference 3 Circuit Low Voltage.
Common causes
Common causes include Faulty Sensor on 5 Volt circuit, Sensor on 5 Volt circuit harness is open or shorted, Sensor on 5 Volt circuit poor electrical connection.
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.
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Code Popularity 401
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 17, 2022
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Code P0698 2014 Chevrolet Silverado Description

The Engine Control Module (ECM) has four (4) internal 5 Volt reference circuits (Some models have two (2) internal 5 Volt reference circuits). Each internal reference circuit provides external 5 Volt reference circuits for more than one sensor. A short to ground or short to voltage on one external 5 Volt reference circuit can affect all the components connected to the same internal 5 Volt reference circuit. The Diagnostic Trouble Code (DTC) will be set when the ECM detects a lower than the expected voltage on any of the 5 Volt reference circuits for greater than 0.5 s.
OBDII Code P0698 2014 Chevrolet Silverado - 5V Reference 3 Circuit Low Voltage - AutoCodes.com
P0698 2014 Chevrolet Silverado Code - 5V Reference 3 Circuit Low Voltage

What are the Possible Causes of the DTC P0698 2014 Chevrolet Silverado?

  • Faulty Sensor on 5 Volt circuit
  • Sensor on 5 Volt circuit harness is open or shorted
  • Sensor on 5 Volt circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0698 2014 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0698 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0698 2014 Chevrolet Silverado code?

Need more information on how to fix the P0698 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2014 Chevrolet Silverado Code

1. What does the OBDII code P0698 mean on a 2014 Chevrolet Silverado?

P0698 indicates a low voltage issue in the 5V Reference 3 circuit, which is used to supply consistent voltage to certain sensors in the vehicle.

2. What are the symptoms of code P0698 in a 2014 Chevrolet Silverado?

Common symptoms include poor engine performance, rough idling, stalling, or the illumination of the check engine light.

3. What causes the P0698 code to appear on a 2014 Chevrolet Silverado?

Potential causes include a faulty sensor connected to the 5V Reference 3 circuit, damaged wiring, corroded connectors, or a malfunctioning Engine Control Module (ECM).

4. How do I diagnose the P0698 code in my 2014 Chevrolet Silverado?

Start by inspecting the wiring and connectors related to the 5V Reference 3 circuit, check for corrosion or damage, and test the voltage with a multimeter.

5. Can a faulty sensor trigger the P0698 code in a 2014 Chevrolet Silverado?

Yes, a malfunctioning sensor that relies on the 5V Reference 3 circuit can cause the low voltage condition and trigger the code.

6. Is it safe to drive a 2014 Chevrolet Silverado with code P0698?

Driving with this code is not recommended, as it can lead to further engine performance issues or damage if the problem is not resolved.

7. What sensors are typically affected by the P0698 code in a 2014 Chevrolet Silverado?

Sensors such as the throttle position sensor (TPS), manifold absolute pressure (MAP) sensor, or other engine-related sensors may rely on the 5V Reference 3 circuit.

8. How do I fix the P0698 code on a 2014 Chevrolet Silverado?

Repairs may include replacing damaged wiring or connectors, repairing or replacing a faulty sensor, or in rare cases, replacing the ECM.

9. Can a discharged or weak battery cause the P0698 code in a 2014 Chevrolet Silverado?

While uncommon, low system voltage from a weak battery or faulty alternator can potentially affect the 5V reference circuit and trigger this code.

10. Do I need to clear the P0698 code after repairs on a 2014 Chevrolet Silverado?

Yes, after completing repairs, use a scan tool to clear the code and verify that it does not return during a test drive.

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