P0653 2017 GMC Sierra Code - 5 Volt Reference 2 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
- P0653 2017 GMC Sierra indicates 5 Volt Reference 2 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 P0653 2017 GMC Sierra Description
What are the Possible Causes of the DTC P0653 2017 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 P0653 2017 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 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 P0653 2017 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 P0653 2017 GMC Sierra code?
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Frequently Asked Questions about P0653 2017 GMC Sierra Code
1. What does the OBDII code P0653 mean on a 2017 GMC Sierra?
P0653 indicates a high voltage issue in the 5-volt reference 2 circuit, which supplies power to various sensors in the vehicle.
2. What are the common symptoms of the P0653 code?
Symptoms may include the check engine light turning on, poor engine performance, erratic sensor readings, and possible failure of certain vehicle systems.
3. What causes the P0653 code to appear?
Common causes include a shorted or open 5-volt reference circuit, faulty sensors, damaged wiring, or a malfunctioning Engine Control Module (ECM).
4. Which sensors are typically affected by the 5-volt reference 2 circuit?
Affected sensors may include the throttle position sensor (TPS), manifold absolute pressure (MAP) sensor, and other emissions-related components.
5. Can I drive my 2017 GMC Sierra with the P0653 code?
While it may be possible to drive, it is not recommended as it can lead to reduced engine performance or further damage to the vehicle.
6. How do I diagnose the P0653 code?
Diagnosis typically involves using a multimeter to check voltage in the 5-volt reference circuit, inspecting wiring and connectors, and testing related sensors for faults.
7. What are the most common repairs for the P0653 code?
Repairs may include fixing or replacing damaged wiring, repairing loose or corroded connectors, replacing a faulty sensor, or reprogramming/replacing the ECM.
8. How much does it cost to fix the P0653 code on a 2017 GMC Sierra?
Repair costs can range from $50 to $500, depending on whether the issue is with wiring, a sensor, or the ECM.
9. Can a bad battery cause a P0653 code?
While unlikely, a weak or faulty battery can create electrical inconsistencies that may contribute to sensor or ECM malfunctions.
10. How can I prevent the P0653 code from occurring again?
Regular maintenance, inspecting wiring and connectors for wear, and promptly addressing warning lights can help prevent this issue in the future.
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