[SOLVED] U3506 Code: High Voltage Control Module Fix

The automobile fault code U3506 indicates a problem with the Control Module, which triggers the Engine Light or Service Engine Soon Warning Light.

The cause of this issue could be a faulty Control Module, an open or shorted Control Module harness, or a poor electrical connection in the Control Module circuit. It is essential to address this problem as soon as possible to avoid further damage to the vehicle.

The repair process involves visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector’s pins. The repair time for this issue is estimated to be around 1.0 hour.

It is crucial to interpret the fault code correctly to identify the root cause of the problem and fix it effectively.

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

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be due to the u3506 fault code. Here are the symptoms to look out for:

  • The fault code U3506 is associated with several symptoms, including the engine light turning on or the service engine soon warning light illuminating.
  • Other symptoms may include reduced engine power, poor acceleration, rough idling, stalling, and difficulty starting the vehicle.
  • Additionally, the vehicle may experience decreased fuel efficiency, increased emissions, and a decrease in overall performance.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle and ensure safe operation on the road.

The automobile fault code u3506 can be caused by a faulty control module, open or shorted harness, or poor electrical connection.

  • The automobile fault code U3506 can be caused by a faulty control module that sets the code.
  • It can also be caused by an open or shorted control module harness.
  • Additionally, a poor electrical connection in the control module circuit can also trigger this fault code.

To fix the automobile fault code u3506, check the possible causes and inspect the related wiring harness, connectors, and components for damage.

  • To fix the automobile fault code u3506, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The fault code U3506 is a diagnostic trouble code related to the ABS control module.

The estimated repair time for this code is 1.0 hour. The cost of fixing this code is influenced by the repair time, which is commonly charged between $75 and $150 per hour by most auto repair shops. Therefore, the fixing cost of U3506 can range from $75 to $150.

The U3506 fault code is related to the control module supply circuit 2 high voltage. This code is triggered when the vehicle control modules or sensors detect a system voltage of less than approximately 9 V for approximately 5 s.

The purpose of monitoring the system voltage is to verify that it is within the normal operating range. If it is not, the U3506 code will be set.

What are the possible causes of the u3506 automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the u3506 automobile fault code. This code is usually caused by a faulty control module, an open or shorted control module harness, or a poor electrical connection in the control module circuit. To fix this issue, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can I visually inspect the related wiring harness and connectors to fix the u3506 fault code?

If you’re experiencing the u3506 fault code, which is indicated by the engine light or service engine soon warning light turning on, there are a few things you can do to fix it. The cause of this issue could be a faulty control module setting the code, an open or shorted control module harness, or a poor electrical connection in the control module circuit. To address these issues, you should visually inspect the related wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.

What are the steps to take if I find damaged components or broken, bent, pushed out, or corroded connector’s pins while fixing the u3506 fault code?

If you encounter damaged components or broken, bent, pushed out, or corroded connector’s pins while fixing the u3506 fault code, follow these steps. First, visually inspect the related wiring harness and connectors. Then, check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. Finally, fix the issue by replacing or repairing the damaged components or connector pins.

u3506 error fault code explained

If your engine light is on, it could be due to a faulty control module or poor electrical connection. Check the wiring harness and connectors for damage or corrosion.

Look for broken, bent, or pushed out pins. Visually inspect the components and follow the possible causes listed above.

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