[SOLVED] P0652 Code: Fix Low 5 Volt Sensor Reference 2 Circuit Issue!

The automobile fault code P0652 indicates a problem with the Engine Control Module (ECM). Symptoms may include various electrical issues or malfunctions.

The most common cause is a faulty ECM or issues with the ECM harness, such as an open or shorted circuit or poor electrical connection. Another possible cause is a shorted sensor on the 5-volt circuit.

To fix this issue, start by visually inspecting the wiring harness and connectors for any damage. Look for broken, bent, pushed out, or corroded pins on the connectors. Repairing this fault code may take approximately 1.0 hour.

To interpret the fault code, check the “Possible Causes” mentioned above and perform the necessary inspections and repairs.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

Experiencing issues with your vehicle’s electrical system? Check out the symptoms of fault code p0652 below.

  • The symptoms of the automobile fault code P0652 include: malfunctioning dashboard lights, illuminated check engine light, loss of communication with the engine control module (ECM), and potential issues with the vehicle’s electrical system.

The automobile fault code p0652 can be caused by a faulty ECM, open or shorted ECM harness, poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit.

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  • The fault code P0652 can be caused by a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit.

To fix the p0652 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P0652, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the code.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.
  • The estimated repair time for this fix is 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p0652 include the estimated repair time of 1.0 hour.

Auto repair shops typically charge between $75 and $150 per hour for their services. These factors contribute to the overall cost of resolving the p0652 fault code.

When you see the Engine Light ON or the Service Engine Soon Warning Light, it could be indicating a fault code of p0652. This fault code specifically relates to a problem with the sensor reference voltage B circuit low.

In simpler terms, it means that there is an issue with the voltage supply to one of the sensors in your vehicle. This can lead to various symptoms such as poor engine performance, reduced fuel efficiency, or even stalling of the engine. It is important to address this issue promptly to prevent further damage and ensure the smooth operation of your vehicle.

What are the possible causes of fault code P0652 in an automobile?

The fault code P0652 in an automobile can be caused by a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit. To fix this issue, visually inspect the wiring harness and connectors, checking for any damage or broken, bent, pushed out, or corroded pins in the connectors. Additionally, refer to the “Possible Causes” listed above for further troubleshooting.

How can I visually inspect the wiring harness and connectors to fix fault code P0652?

To fix fault code P0652, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors. This can help identify if the issue lies with a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit. Take note of the possible causes mentioned and conduct a thorough inspection to pinpoint the problem.

What should I look for when checking for damaged components or corroded connector pins to resolve fault code P0652?

To resolve fault code P0652, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. These issues can cause a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit. By checking for these potential causes, you can identify and resolve the issue efficiently.

p0652 error fault code explained

If you’re experiencing the P0652 fault code, it could be due to a faulty Engine Control Module (ECM), an open or shorted ECM harness, poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit. To fix this issue, visually inspect the wiring harness and connectors, checking for any damage or corrosion.

Look out for broken, bent, pushed out, or corroded connector pins.

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