P0652 2015 GMC Sierra Code - 5 Volt Reference 2 Circuit Low 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
- P0652 2015 GMC Sierra indicates 5 Volt Reference 2 Circuit Low 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 P0652 2015 GMC Sierra Description
What are the Possible Causes of the DTC P0652 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 P0652 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 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 P0652 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 P0652 2015 GMC Sierra code?
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Frequently Asked Questions about P0652 2015 GMC Sierra Code
What does the OBDII code P0652 mean on a 2015 GMC Sierra?
P0652 indicates a "5 Volt Reference 2 Circuit Low Voltage," meaning the ECM has detected a low voltage issue in the 5-volt reference circuit used by certain sensors.
What are the common symptoms of P0652 on a 2015 GMC Sierra?
Symptoms include poor engine performance, hesitation, stalling, a check engine light, and erratic sensor readings.
What causes the P0652 code to appear on a 2015 GMC Sierra?
Common causes include a shorted sensor, damaged wiring, a faulty ECM, or a poor ground connection in the 5-volt reference circuit.
Which sensors are typically affected by the P0652 code?
Sensors like the throttle position sensor (TPS), manifold absolute pressure (MAP) sensor, or fuel pressure sensor may rely on the 5-volt reference circuit.
Can I drive my 2015 GMC Sierra with the P0652 code?
While it might be possible to drive, it is not recommended due to potential engine performance issues and the risk of further damage.
How do I diagnose the P0652 code on a 2015 GMC Sierra?
Diagnosis includes checking for damaged wiring, testing sensor voltages, inspecting connectors, and verifying the ECM's 5-volt output.
What tools are needed to troubleshoot the P0652 code?
You’ll need a digital multimeter, an OBDII scanner, and possibly a wiring diagram for the 5-volt reference circuit.
How do I fix the P0652 code on a 2015 GMC Sierra?
Repairs may involve replacing a shorted sensor, repairing damaged wiring, cleaning connectors, or, in rare cases, replacing the ECM.
What should I check first when troubleshooting the P0652 code?
Start by inspecting the wiring and connectors for visible damage or corrosion in the 5-volt reference circuit.
How much does it cost to fix the P0652 code on a 2015 GMC Sierra?
Repair costs vary but could range from $50 for minor wiring repairs to $800+ if the ECM needs replacement.
Discuss the causes and fixes for P0652 2015 GMC Sierra OBDII Code
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