[SOLVED] U184A Code: How To Fix Lost Communication With Body Control Module

The automobile fault code U184A indicates a problem with the Body Control Module (BCM). 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 BCM, an open or shorted BCM harness, or a poor electrical connection in the BCM circuit.

It is important to address this issue promptly as it can affect the overall performance of the vehicle.

The repair time for this fault code is estimated to be 1.0. 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 done.

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

If you see the Engine Light ON or Service Engine Soon Warning Light, it could be due to the u184a fault code.

Here are the symptoms to look out for:

  • The U184A fault code in an automobile can cause the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u184a can be caused by a faulty BCM, open or shorted BCM harness, or poor electrical connection.

  • The automobile fault code U184A can be caused by a faulty Body Control Module (BCM).
  • It can also be caused by an open or shorted Body Control Module harness.
  • Additionally, a poor electrical connection in the Body Control Module circuit can also trigger this fault code.

Below are some possible fixes for the automobile fault code u184a, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u184a, 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 U184A 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 U184A will range between $75 and $150, depending on the repair time required.

The U184A code is related to the serial data circuit in a vehicle. It occurs when a device stops communicating on the serial data circuit.

This can happen if the device loses power or ground. Other devices on the circuit detect the absence of a state of health message and set a DTC associated with the loss of communication.

The U184A code specifically indicates a loss of communication with the Body Control Module on Low Speed CAN Bus.

What are the possible causes of the u184a automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the u184a fault code. This code is often caused by a faulty Body Control Module (BCM), an open or shorted BCM harness, or a poor electrical connection in the BCM 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 pins.

How can one visually inspect the related wiring harness and connectors to fix the u184a fault code?

If you’re experiencing the u184a 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 issue may be caused by a faulty Body Control Module (BCM), an open or shorted BCM harness, or a poor electrical connection in the BCM circuit. To address these potential causes, 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 signs of damaged components that one should look for when fixing the u184a fault code?

If you’re dealing with the u184a fault code, keep an eye out for the engine light turning on or the service engine soon warning light. These are the primary symptoms of the issue. The cause of the problem could be a faulty Body Control Module (BCM), an open or shorted BCM harness, or a poor electrical connection in the BCM circuit. To fix the issue, inspect the wiring harness and connectors for any damage, such as broken, bent, pushed out, or corroded pins. Check the “Possible Causes” listed above for more information.

u184a error fault code explained

If your engine light is on, it could be due to a faulty Body Control Module (BCM), an open or shorted BCM 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.

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