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Engine-Codes – Chevrolet – P0652 2017 Chevrolet Silverado

P0652 2017 Chevrolet Silverado Code - 5 Volt Reference 2 Circuit Low Voltage

Quick Answer

The P0652 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to a "5 Volt Reference 2 Circuit Low Voltage" issue. Common causes include Faulty Sensor/Component: A malfunctioning sensor or component that is connected to the 5-volt reference circuit can cause the voltage to drop, Wiring/Connector Issues: Corrosion, damage, or loose connections in the wiring harness or connectors related to the 5-volt reference circuit can lead to low voltage, ECM/PCM Malfunction: A problem with the ECM/PCM itself could be causing the 5-volt reference circuit to output low voltage. 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 2017 Chevrolet Silverado indicates 5 Volt Reference 2 Circuit Low Voltage.
Common causes
Common causes include Faulty Sensor/Component: A malfunctioning sensor or component that is connected to the 5-volt reference circuit can cause the voltage to drop, Wiring/Connector Issues: Corrosion, damage, or loose connections in the wiring harness or connectors related to the 5-volt reference circuit can lead to low voltage, ECM/PCM Malfunction: A problem with the ECM/PCM itself could be causing the 5-volt reference circuit to output low voltage.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 22, 2024
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Code P0652 2017 Chevrolet Silverado Description

The P0652 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to a "5 Volt Reference 2 Circuit Low Voltage" issue. In modern vehicles, the Engine Control Module (ECM) or Powertrain Control Module (PCM) provides a 5-volt reference signal to various sensors and components throughout the vehicle. This reference voltage is crucial for the proper operation of these sensors and components, as it allows them to send accurate data back to the ECM/PCM for optimal engine performance and emissions control.

OBDII Code P0652 2017 Chevrolet Silverado - 5 Volt Reference 2 Circuit Low Voltage
P0652 2017 Chevrolet Silverado Code - 5 Volt Reference 2 Circuit Low Voltage

Common Causes of P0652 2017 Chevrolet Silverado

  1. Faulty Sensor/Component: A malfunctioning sensor or component that is connected to the 5-volt reference circuit can cause the voltage to drop.
  2. Wiring/Connector Issues: Corrosion, damage, or loose connections in the wiring harness or connectors related to the 5-volt reference circuit can lead to low voltage.
  3. ECM/PCM Malfunction: A problem with the ECM/PCM itself could be causing the 5-volt reference circuit to output low voltage.
  4. Short to Ground: A short circuit to ground in the 5-volt reference circuit can cause voltage drop issues.
  5. Power Supply Problem: Issues with the vehicle's power supply, such as a weak battery or alternator, can affect the 5-volt reference circuit voltage.

Symptoms of P0652 2017 Chevrolet Silverado

  1. Check Engine Light: The most common symptom associated with the P0652 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Engine Misfires: Low voltage on the 5 Volt Reference 2 Circuit can cause engine misfires, rough idling, or hesitation during acceleration.
  3. Reduced Power: The vehicle may experience a loss of power or responsiveness due to incorrect sensor readings.
  4. Poor Fuel Economy: A malfunctioning 5-volt reference circuit can lead to decreased fuel efficiency as the engine may not be running optimally.
  5. Stalling: In severe cases, the vehicle may stall or have difficulty starting if the issue is not resolved.

How to Fix P0652 2017 Chevrolet Silverado

  1. Diagnose the Issue: Use a multimeter to test the voltage on the 5 Volt Reference 2 Circuit and pinpoint the source of the low voltage.
  2. Inspect Wiring/Connectors: Check for any damage, corrosion, or loose connections in the wiring harness and connectors related to the 5-volt reference circuit.
  3. Test Sensors/Components: Test the sensors and components connected to the 5-volt reference circuit to determine if any are faulty and causing the voltage drop.
  4. Repair or Replace: Repair or replace any damaged wiring, connectors, sensors, or components as needed to restore proper voltage on the 5 Volt Reference 2 Circuit.
  5. Clear Codes: After the repair is completed, clear the DTC using a scan tool and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0652 2017 Chevrolet Silverado

The typical repair costs for addressing a P0652 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. Parts such as sensors, wiring harnesses, or connectors may need to be replaced, and labor costs for diagnosis and repair can also contribute to the overall expense. On average, the repair for this issue could range from $100 to $500, including parts and labor. However, it's important to note that actual costs may differ based on the location of the repair shop, the vehicle's make and model, and the extent of the repairs needed. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate for addressing the P0652 code on a 2017 Chevrolet Silverado.

What does this mean?

Tech Notes for P0652 2017 Chevrolet Silverado

Disconnecting one component at a time from the affected 5 Volt reference circuit while observing the scan tool 5 Volt Reference Circuit Status parameter may help locate the fault. The scan tool parameter will change from Malfunction to OK when the source of the fault is disconnected. If all 5 Volt reference components have been disconnected and a fault is still indicated, the fault may exist in the wiring harness.



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

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0652 2017 Chevrolet Silverado Code

1. What does the OBDII code P0652 mean for a 2017 Chevrolet Silverado?

P0652 indicates a low voltage issue in the 5-volt reference 2 circuit, which supplies power to certain sensors in the vehicle.

2. What are the common symptoms of code P0652 in a 2017 Chevrolet Silverado?

Symptoms may include poor engine performance, the check engine light turning on, erratic sensor readings, or issues with transmission shifting.

3. What causes the P0652 code to appear on a 2017 Chevrolet Silverado?

Common causes include a short circuit in the wiring, a faulty sensor, a damaged engine control module (ECM), or a corroded connector.

4. Can I continue driving my 2017 Chevrolet Silverado with a P0652 code?

It is not recommended to drive with this code active, as it can lead to unreliable engine performance and potential damage to other components.

5. How do you diagnose the P0652 code on a 2017 Chevrolet Silverado?

Diagnosis involves checking the 5-volt reference circuit wiring for shorts or damage, testing connected sensors, and using a multimeter to measure voltage at the ECM and sensors.

6. Which sensors are affected by the P0652 code in a 2017 Chevrolet Silverado?

Sensors relying on the 5-volt reference 2 circuit may include the throttle position sensor (TPS), manifold absolute pressure (MAP) sensor, or fuel rail pressure sensor.

7. What tools are needed to fix the P0652 code on a 2017 Chevrolet Silverado?

You may need a multimeter, an OBDII scanner, wiring diagrams for the vehicle, and basic tools to repair or replace damaged components.

8. How much does it cost to repair a P0652 code on a 2017 Chevrolet Silverado?

Repair costs can vary, but fixing a wiring issue may cost $100-$300, while replacing a faulty sensor or ECM could range from $200 to over $1,000.

9. Can a dead battery cause the P0652 code in a 2017 Chevrolet Silverado?

A dead or weak battery is unlikely to directly cause this code but could contribute to electrical issues that might affect the 5-volt reference circuit.

10. How can I prevent the P0652 code from recurring on my 2017 Chevrolet Silverado?

Regularly inspect wiring and connectors for damage, keep sensors clean, and address any electrical issues promptly to maintain proper circuit operation.

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