P0699 2015 Chevrolet Silverado Code - 5V Reference 3 Circuit High 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
- P0699 2015 Chevrolet Silverado indicates 5V Reference 3 Circuit High 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 P0699 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0699 2015 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 P0699 2015 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 P0699 2015 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 P0699 2015 Chevrolet Silverado code?
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Frequently Asked Questions about P0699 2015 Chevrolet Silverado Code
1. What does the OBDII code P0699 mean on a 2015 Chevrolet Silverado?
P0699 indicates a "5V Reference 3 Circuit High Voltage," meaning there is an issue with one of the vehicle's 5-volt reference circuits, which provides voltage to various sensors.
2. What are the symptoms of the P0699 code on a 2015 Chevrolet Silverado?
Symptoms can include poor engine performance, erratic sensor readings, difficulty starting, or an illuminated Check Engine Light.
3. What causes the P0699 code to appear?
Common causes include a short to voltage in the 5V reference circuit, a faulty sensor connected to the circuit, a damaged wiring harness, or a malfunctioning Engine Control Module (ECM).
4. How do I diagnose the P0699 code on my Chevrolet Silverado?
Start by inspecting the wiring and connectors related to the 5V reference circuit for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit.
5. Can a faulty sensor trigger the P0699 code?
Yes, a sensor drawing too much voltage or failing internally can cause the 5V reference circuit to register high voltage.
6. Is the P0699 code serious?
Yes, it can affect engine performance and sensor functionality, potentially leading to more significant issues if not addressed promptly.
7. How do I fix the P0699 code on a 2015 Silverado?
Repairs may include replacing a faulty sensor, repairing damaged wiring, or, in rare cases, replacing the ECM if it’s malfunctioning.
8. Can a loose or corroded connector cause a P0699 code?
Yes, a poor connection can lead to erratic voltage readings, triggering the P0699 code.
9. Will clearing the code fix the P0699 issue?
Clearing the code may temporarily turn off the Check Engine Light, but the issue will likely return if the underlying problem isn’t resolved.
10. Can I drive my 2015 Chevrolet Silverado with the P0699 code?
While the vehicle may still be drivable, it's not recommended, as the code can lead to further performance issues or damage other components.
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