[SOLVED] U01B0 Code: How To Fix Lost Communication With Battery Monitor

The automobile fault code U01B0 indicates a problem with the Battery Monitor Module. The most common symptom is the Engine Light ON or Service Engine Soon Warning Light. The cause of this fault code could be a faulty Battery Monitor Module, an open or shorted harness, or a poor electrical connection.

It is important to address this issue promptly as it can lead to further damage to the vehicle’s electrical system.

The repair difficulty is moderate, and the repair time is estimated at 1.0 hour. To fix the issue, 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 performed.

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 a sign of u01b0 fault code.

Here are the symptoms to look out for:

  • The automobile fault code U01B0 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light.

The u01b0 automobile fault code can be caused by various factors, including a faulty Battery Monitor Module, open or shorted harness, and poor electrical connection.

  • The automobile fault code U01B0 can be caused by a faulty Battery Monitor Module.
  • It can also be caused by an open or shorted Battery Monitor Module harness.
  • Additionally, a poor electrical connection in the Battery Monitor Module circuit can also trigger this fault code.

Below are the possible fixes for the automobile fault code u01b0, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u01b0, 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 automobile fault code U01B0 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 U01B0 will depend on the hourly rate charged by the repair shop.

It is important to consider the repair time and hourly rate when estimating the cost of fixing this fault code.

The U01B0 fault code is related to the high speed General Motor Local Area Network (GMLAN) serial data circuits.

Modules connected to the GMLAN monitor for serial data communications during normal vehicle operation. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Battery Monitor Module has not been received. The U01B0 code indicates that there is a lost communication with the Battery Monitor Module.

The supervision time-out period for the messages is 250 ms. Each message contains the identification number of the transmitter module.

What are the possible causes of the engine light being on with the U01B0 fault code?

If the engine light is on with the U01B0 fault code, it could be due to a faulty Battery Monitor Module, an open or shorted harness, or poor electrical connection in the circuit. To fix this issue, 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.

How can I fix the U01B0 fault code related to a faulty Battery Monitor Module?

If you’re experiencing an Engine Light ON or Service Engine Soon Warning Light due to a U01B0 fault code, it’s likely caused by a faulty Battery Monitor Module, an open or shorted harness, or poor electrical connection. To fix it, visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

What steps should I take to visually inspect the wiring harness and connectors for the U01B0 fault code?

To visually inspect the wiring harness and connectors for the U01B0 fault code, first check the possible causes listed above. Then, inspect the related wiring harness and connectors for any damage or broken, bent, pushed out, or corroded pins. Look for any signs of wear and tear, and ensure that the Battery Monitor Module harness is not open or shorted. This will help to identify and fix the issue causing the Engine Light or Service Engine Soon Warning Light to turn on.

u01b0 error fault code explained

If your engine light is on, it could be due to a faulty Battery Monitor Module or poor electrical connection. Check the wiring harness and connectors for damage or corrosion. Look for broken, bent, or pushed out pins.

Inspect the components and fix any issues found.

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