P0651 2016 Chevrolet Silverado Code - 5 Volt Reference 2 Circuit
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
- P0651 2016 Chevrolet Silverado indicates 5 Volt Reference 2 Circuit.
- 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 P0651 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0651 2016 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 P0651 2016 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 2 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)
- Brake pedal position sensor
- Crankshaft position sensor
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0651 2016 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 P0651 2016 Chevrolet Silverado code?
Need more information on how to fix the P0651 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
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Frequently Asked Questions about P0651 2016 Chevrolet Silverado Code
What does the OBDII code P0651 mean in a 2016 Chevrolet Silverado?
P0651 indicates a problem with the 5 Volt Reference 2 Circuit, which supplies voltage to various sensors in the vehicle.
What are the common symptoms of code P0651 in a 2016 Chevrolet Silverado?
Symptoms may include a check engine light, reduced engine performance, erratic sensor readings, or difficulty starting the vehicle.
What causes the P0651 code on a 2016 Chevrolet Silverado?
Common causes include damaged wiring, a faulty sensor, a short or open circuit, or a malfunctioning powertrain control module (PCM).
Can a bad sensor trigger the P0651 code in a 2016 Chevrolet Silverado?
Yes, a malfunctioning sensor that relies on the 5 Volt Reference 2 Circuit can trigger this code.
How do you diagnose the P0651 code in a 2016 Chevrolet Silverado?
Diagnosis typically involves checking the wiring for damage, testing the sensors, and verifying proper voltage output from the PCM.
Can I drive my 2016 Chevrolet Silverado with the P0651 code?
Driving with this code may lead to reduced performance or further damage to the vehicle. It is recommended to address the issue promptly.
How can the P0651 code be repaired on a 2016 Chevrolet Silverado?
Repairs may include fixing or replacing damaged wiring, replacing faulty sensors, or repairing/replacing the PCM.
What tools are needed to troubleshoot the P0651 code in a 2016 Chevrolet Silverado?
A multimeter, OBDII scanner, and wiring diagrams are commonly used to diagnose and repair this code.
Does the P0651 code affect multiple sensors in a 2016 Chevrolet Silverado?
Yes, the 5 Volt Reference 2 Circuit supplies voltage to multiple sensors, so issues in this circuit may affect several components.
Is the P0651 code a common issue for the 2016 Chevrolet Silverado?
While not extremely common, this code can occur, especially if there is wiring damage or sensor failure.
Discuss the causes and fixes for P0651 2016 Chevrolet Silverado OBDII Code
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