P0697 2015 GMC Sierra Code - 5 Volt Reference 3 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
- P0697 2015 GMC Sierra indicates 5 Volt Reference 3 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 P0697 2015 GMC Sierra Description
What are the Possible Causes of the DTC P0697 2015 GMC Sierra?
- 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 P0697 2015 GMC Sierra?
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 P0697 2015 GMC Sierra 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 P0697 2015 GMC Sierra code?
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Frequently Asked Questions about P0697 2015 GMC Sierra Code
What does the OBDII code P0697 mean for a 2015 GMC Sierra?
The P0697 code indicates a problem with the 5 Volt Reference 3 Circuit, which provides a stable 5-volt signal to various sensors.
What are the common symptoms of code P0697 in a 2015 GMC Sierra?
Symptoms may include the check engine light, erratic sensor readings, poor engine performance, or difficulty starting the vehicle.
What causes the P0697 code on a 2015 GMC Sierra?
Common causes include a shorted or open circuit in the 5 Volt Reference 3 wiring, a faulty sensor, or a malfunctioning ECM.
Can a faulty ECM cause the P0697 code?
Yes, a defective Engine Control Module (ECM) can fail to provide the proper 5-volt reference signal, triggering this code.
How can I diagnose the P0697 code on my GMC Sierra?
Start by inspecting the wiring and connectors for damage, check the sensors relying on the 5 Volt Reference 3 Circuit, and test the ECM output.
What sensors might be affected by the P0697 code?
Sensors such as the throttle position sensor (TPS), manifold absolute pressure sensor (MAP), or fuel pressure sensor may rely on the 5 Volt Reference 3 Circuit.
Is it safe to drive a 2015 GMC Sierra with the P0697 code?
Driving with this code may lead to erratic sensor readings and engine performance issues, so it’s best to address the problem promptly.
How do you fix the P0697 code on a GMC Sierra?
Repairs may involve replacing damaged wiring, repairing connectors, replacing a faulty sensor, or reprogramming or replacing the ECM if necessary.
Can a bad connection cause the P0697 code?
Yes, loose or corroded electrical connectors in the 5 Volt Reference 3 Circuit can interrupt the voltage signal and trigger the code.
Does resetting the code clear the problem permanently?
No, clearing the code without addressing the underlying issue will likely result in the code returning. Proper diagnosis and repair are necessary.
Discuss the causes and fixes for P0697 2015 GMC Sierra OBDII Code
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