P0653 2014 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 2014 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 2014 GMC Sierra Description
What are the Possible Causes of the DTC P0653 2014 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 2014 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 2014 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 2014 GMC Sierra code?
Need more information on how to fix the P0653 2014 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0653 2014 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0653 2014 GMC Sierra Code
1. What does the OBDII code P0653 mean on a 2014 GMC Sierra?
P0653 indicates a high voltage issue in the 5 Volt Reference 2 circuit, which supplies power to various sensors in your vehicle.
2. What are the common symptoms of code P0653 in a 2014 GMC Sierra?
Symptoms include the check engine light turning on, poor engine performance, erratic sensor readings, or the vehicle going into limp mode.
3. What causes the P0653 code to trigger?
Common causes include a short to voltage in the 5 Volt Reference 2 circuit, a faulty sensor, damaged wiring, or a malfunctioning Powertrain Control Module (PCM).
4. Which sensors are affected by the 5 Volt Reference 2 circuit in a 2014 GMC Sierra?
The 5 Volt Reference 2 circuit typically powers sensors such as the fuel rail pressure sensor, throttle position sensor, or other engine-related sensors.
5. How can I diagnose the P0653 code on my 2014 GMC Sierra?
Start by visually inspecting the wiring and connectors in the 5 Volt Reference 2 circuit for damage. Use a multimeter to check for proper voltage and continuity in the circuit.
6. Can a faulty sensor cause the P0653 code?
Yes, a malfunctioning sensor that draws too much current or has an internal short can cause the 5 Volt Reference 2 circuit to register high voltage.
7. What tools are needed to troubleshoot the P0653 code?
You’ll need an OBDII scanner, a multimeter, and possibly a wiring diagram for the 5 Volt Reference 2 circuit.
8. Can the P0653 code damage my 2014 GMC Sierra if left unfixed?
While it may not immediately cause severe damage, ignoring the code could lead to poor performance, reduced fuel efficiency, or further electrical issues.
9. How do I fix the P0653 code on a 2014 GMC Sierra?
Repairs may include fixing damaged wiring, replacing a faulty sensor, or reprogramming or replacing the PCM if it's determined to be defective.
10. Can I clear the P0653 code without fixing the problem?
Clearing the code without addressing the underlying issue will likely result in the code returning and continued vehicle performance problems.
Discuss the causes and fixes for P0653 2014 GMC Sierra OBDII Code
Code P0653 2014 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
