[SOLVED] U185A Code: How To Fix Lost Communication With Battery Control Module

The automobile fault code U185A indicates a problem with the Battery Energy Control Module.

The most common symptom is the Engine Light ON or Service Engine Soon Warning Light. The cause of this issue could be a faulty Battery Energy Control Module, an open or shorted harness, or a poor electrical connection.

It is important to address this issue promptly as it can affect the performance of the vehicle. The repair time for this fault code is estimated to be 1.0.

To fix the problem, one 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.

It is crucial to interpret the fault code correctly to ensure the proper repair is made.

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, it could be due to the u185a fault code. Here are some symptoms to look out for:

  • The U185A fault code in an automobile can cause the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u185a can be caused by a faulty Battery Energy Control Module, open or shorted harness, or poor electrical connection.

  • The automobile fault code U185A can be caused by a faulty Battery Energy Control Module.
  • It can also be caused by an open or shorted Battery Energy Control Module harness.
  • Additionally, a poor electrical connection in the Battery Energy Control Module circuit can also trigger this fault code.

Below are the possible fixes for the automobile fault code u185a, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u185a, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors.
  • Look for 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 automobile fault code U185A has an estimated repair time of 1.0 hour. The cost of fixing this fault code is influenced by the repair time. Most auto repair shops charge between $75 and $150 per hour for their services.

Therefore, the fixing cost of U185A will range between $75 and $150, depending on the repair time required.

The U185A fault code is related to the serial data circuits in a vehicle.

Devices in the vehicle monitor for serial data communications during normal operation.

The code sets when a supervised periodic message that includes the transmitter device availability has not been received for more than 500 ms. This fault code specifically indicates a lost communication with the Battery Energy Control Module on High Voltage Energy Management CAN Bus.

What are the possible causes of the u185a automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the u185a fault code. This code is usually caused by a faulty battery energy control module, an open or shorted harness, or poor electrical connection in the module circuit. To fix this issue, you should visually inspect the 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 u185a fault code?

If you’re experiencing the u185a fault code, which is indicated by the engine light being on, you may need to visually inspect the related wiring harness and connectors. This fault code can be caused by a faulty Battery Energy Control Module, an open or shorted harness, or a poor electrical connection. To fix the issue, check the possible causes listed above and inspect the wiring harness and connectors for any damage or corrosion. Look for broken, bent, pushed out, or corroded connector pins.

What are the signs that the Battery Energy Control Module harness is open or shorted, causing the u185a fault code?

If the engine light is on or the service engine soon warning light is illuminated, it could be a sign of a faulty Battery Energy Control Module or an open or shorted harness. To fix this, it is important to visually inspect the related wiring harness and connectors, checking for damaged components and looking for broken, bent, pushed out, or corroded connector’s pins.

u185a error fault code explained

If your engine light is on, it could be due to a faulty Battery Energy Control Module or related wiring issues. Visually inspect the wiring harness and connectors for damage or corrosion. Check for broken or bent pins.

Take action to fix the issue.

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