P0698 2018 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 2018 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.
Code P0698 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0698 2018 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 2018 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
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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0698 2018 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 2018 Chevrolet Silverado code?
Need more information on how to fix the P0698 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
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Frequently Asked Questions about P0698 2018 Chevrolet Silverado Code
What does the OBDII code P0698 mean for a 2018 Chevrolet Silverado?
P0698 indicates a low voltage issue in the 5V Reference 3 circuit, which is responsible for supplying a stable 5-volt signal to certain engine sensors.
What are the common symptoms of P0698 in a 2018 Silverado?
Symptoms may include engine performance issues, poor acceleration, stalling, illuminated check engine light, and erratic sensor readings.
What causes the P0698 code to trigger?
Common causes include damaged wiring, corroded or loose connectors, a faulty sensor, or a malfunctioning powertrain control module (PCM).
Which sensors are typically impacted by the 5V Reference 3 circuit issue?
The affected sensors can vary, but they often include the throttle position sensor (TPS), manifold absolute pressure (MAP) sensor, or other engine control sensors.
Can a faulty PCM cause the P0698 code?
Yes, a malfunctioning PCM can fail to supply the correct reference voltage, leading to the P0698 code.
How do you diagnose the P0698 code on a 2018 Chevrolet Silverado?
Diagnosis involves checking the wiring and connectors in the 5V Reference 3 circuit, testing the affected sensors, and verifying the PCM's output voltage.
Can the P0698 code cause drivability issues?
Yes, since the affected sensors provide critical data for engine operation, the code can cause drivability problems like stalling or hesitation.
How can you fix the P0698 code?
Repairs may include replacing damaged wiring, cleaning or securing connectors, replacing a faulty sensor, or, in rare cases, reprogramming or replacing the PCM.
Is it safe to drive with the P0698 code active?
Driving with this code is not recommended, as the engine may operate unpredictably, potentially leading to safety concerns or further damage.
What tools are needed to troubleshoot the P0698 code?
A scan tool, multimeter, and wiring diagrams specific to the 2018 Chevrolet Silverado are essential for diagnosing and repairing the issue.
Discuss the causes and fixes for P0698 2018 Chevrolet Silverado OBDII Code
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