[SOLVED] Fixing U2104 Code: Resetting Controller Area Network Bus Counter

The automobile fault code U2104 indicates a problem with the Control Module, which can cause the Engine Light to turn on. The possible causes of this issue include a faulty Control Module, an open or shorted Control Module harness, or a poor electrical connection in the Control Module circuit.

To fix this 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. The repair time for this issue is estimated to be around 1.0. It is important to interpret the fault code correctly to ensure that the issue is resolved 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 a sign of u2104 fault code.

Here are the symptoms to look out for:

  • The automobile fault code U2104 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u2104 can be caused by a faulty control module, open or shorted harness, or poor electrical connection.

  • The automobile fault code u2104 can be caused by a faulty control module.
  • 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.

Below are some possible fixes for the automobile fault code u2104, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u2104, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors for any damage.
  • Look 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 U2104 indicates a communication issue between the engine control module and the transmission control module.

The estimated repair time for this fault code is 1.0 hour.

The cost of fixing this issue can vary depending on the hourly rate of the auto repair shop. Most shops charge between $75 and $150 per hour. Therefore, the total cost of fixing the U2104 fault code can range from $75 to $150.

The U2104 fault code is related to the Controller Area Network (CAN) serial data circuits in a vehicle. This code is set when there is no communication detected on the CAN serial data circuit. The cause of this fault code could be a short to battery or voltage on any of the CAN circuits or a short between the CAN high and low circuits.

Modules such as the Body Control Module, Electronic Brake Control Module, EnginePowertrain Control Module, and Transmission Control Module communicate on the CAN serial data bus.

What are the possible causes of the u2104 automobile fault code that triggers the engine light or service engine soon warning light?

If you see the engine light or service engine soon warning light on your dashboard, it could be due to the u2104 fault code. This code is triggered 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 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 u2104 automobile fault code?

If you’re experiencing the U2104 automobile fault code, which is indicated by the engine light being on or the service engine soon warning light, there are a few things you can do to fix it. 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. To address this problem, 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 specific steps to take when checking for damaged components and looking for broken, bent, pushed out, or corroded connector’s pins to fix the u2104 automobile fault code?

If you encounter the U2104 automobile fault code, start by checking the possible causes, which include a faulty control module, an open or shorted control module harness, or a poor electrical connection in the control module circuit. Visually inspect the wiring harness and connectors, and look for damaged components. Check for broken, bent, pushed out, or corroded connector’s pins to fix the issue.

u2104 error fault code explained

If your engine light is on and showing the u2104 code, it could be due to a faulty control module, 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.

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