P0699 2017 Chevrolet Silverado Code - 5V Reference 3 Circuit High Voltage
Quick Answer
The P0699 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to a 5V Reference 3 Circuit High Voltage issue. Common causes include Faulty 5V reference voltage regulator, Short circuit in the wiring harness, Corrosion or poor connections in 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
- P0699 2017 Chevrolet Silverado indicates 5V Reference 3 Circuit High Voltage.
- Common causes
- Common causes include Faulty 5V reference voltage regulator, Short circuit in the wiring harness, Corrosion or poor connections in 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.
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Code P0699 2017 Chevrolet Silverado Description
The P0699 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to a 5V Reference 3 Circuit High Voltage issue. This code indicates that the Engine Control Module (ECM) has detected a higher than normal voltage in the 5V reference circuit that is used to power various sensors and components in the vehicle. This can lead to a variety of problems with the vehicle's performance and may trigger warning lights on the dashboard.
Common Causes of P0699 2017 Chevrolet Silverado
- Faulty 5V reference voltage regulator
- Short circuit in the wiring harness
- Corrosion or poor connections in the circuit
- Issues with the ECM or other control modules
- Faulty sensors or components drawing excessive current
Symptoms of P0699 2017 Chevrolet Silverado
- Check Engine Light illuminated on the dashboard
- Erratic engine operation
- Poor fuel economy
- Stalling or hesitation while driving
- Difficulty starting the vehicle
How to Fix P0699 2017 Chevrolet Silverado
- Perform a thorough inspection of the 5V reference circuit and associated components
- Test the voltage regulator and replace if faulty
- Check for any shorts or corrosion in the wiring harness and repair as needed
- Inspect and clean any connectors in the circuit
- Reset the ECM and clear the DTC to see if the issue reoccurs
Cost to Fix P0699 2017 Chevrolet Silverado
The typical repair costs for a P0699 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, you can expect to pay anywhere from $100 to $300 for parts and labor to diagnose and repair this problem. Keep in mind that labor rates can vary based on location and the type of repair shop you visit. It's recommended to get a few quotes from different shops to ensure you're getting a fair price for the repair.
Tech Notes for P0699 2017 Chevrolet Silverado
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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Frequently Asked Questions about P0699 2017 Chevrolet Silverado Code
1. What does the OBDII code P0699 mean on a 2017 Chevrolet Silverado?
The P0699 code indicates a "5V Reference 3 Circuit High Voltage," meaning the powertrain control module (PCM) has detected an abnormally high voltage in the 5-volt reference circuit 3.
2. What are the common symptoms of code P0699 in a 2017 Chevrolet Silverado?
Symptoms may include the check engine light turning on, poor engine performance, stalling, hard starting, or other electrical issues.
3. What causes the P0699 code in a 2017 Chevrolet Silverado?
Possible causes include a short to voltage in the 5-volt reference circuit, a faulty PCM, damaged wiring, or a malfunctioning sensor connected to the reference circuit.
4. How does the 5-volt reference circuit work in a 2017 Chevrolet Silverado?
The PCM sends a 5-volt signal to various sensors, such as the throttle position sensor or pressure sensors, allowing them to operate correctly and send accurate data back to the PCM.
5. Can a faulty sensor trigger the P0699 code in a 2017 Chevrolet Silverado?
Yes, a defective sensor connected to the 5-volt reference circuit 3 can cause the voltage to be too high, leading to the P0699 code.
6. How can I diagnose the P0699 code in my 2017 Chevrolet Silverado?
Diagnose the issue by inspecting the wiring and connectors in the 5-volt reference circuit for damage, testing the voltage at the PCM, and checking the sensors linked to the circuit.
7. Can I drive my 2017 Chevrolet Silverado with a P0699 code?
It’s not recommended to drive with this code, as it can cause engine performance issues or damage other components if left unresolved.
8. How do I fix the P0699 code in a 2017 Chevrolet Silverado?
Repairs may include fixing or replacing damaged wiring, replacing a faulty sensor, or, in rare cases, replacing the PCM.
9. How much does it cost to repair a P0699 code on a 2017 Chevrolet Silverado?
The cost varies depending on the root cause, ranging from $50 for minor wiring repairs to $500 or more if the PCM needs replacement.
10. Can a loose or corroded connector cause the P0699 code in a 2017 Chevrolet Silverado?
Yes, loose or corroded connectors in the 5-volt reference circuit can disrupt the voltage and trigger the P0699 code.
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