[SOLVED] U2409 Code: Fixing High Speed Can Bus Off Error

The automobile fault code U2409 indicates a problem with the Transmission Range Control 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 Transmission Range Control Module, an open or shorted harness, or a poor electrical connection.

It is important to address this issue promptly as it can lead to transmission problems. 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 avoid further damage to the vehicle.

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 u2409 fault code. Here are the symptoms to look out for:

  • The automobile fault code U2409 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u2409 can be caused by a faulty module, open or shorted harness, or poor electrical connection.

  • The automobile fault code u2409 can be caused by a faulty Transmission Range Control Module.
  • It can also be caused by an open or shorted Transmission Range Control Module harness.
  • Additionally, a poor electrical connection in the Transmission Range Control Module circuit can also trigger this fault code.

Below are the possible fixes for the automobile fault code u2409, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u2409, 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 U2409 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 U2409 will range between $75 and $150, depending on the repair time required.

It is important to consider the repair time and cost when diagnosing and fixing this fault code.

The U2409 code is related to the high-speed General Motors Local Area Network (GMLAN) serial data circuits. These circuits are used to communicate information between devices in the automobile. If the serial data system is inoperative, some devices may still be able to communicate with the scan tool but not with each other.

The U2409 code indicates that the Transmission Range Control Module has attempted to establish communications on the high-speed GMLAN serial data circuits more than 3 times and has failed.

What are the possible causes of the engine light being on with the U2409 fault code?

If the engine light is on with the U2409 fault code, it could be due to a faulty Transmission Range Control 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 one visually inspect the related wiring harness and connectors to fix the U2409 fault code?

If you’re experiencing the U2409 fault code, which is indicated by the Engine Light ON or 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 Transmission Range Control Module, an open or shorted harness, or a poor electrical connection. 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’s pins. This will help you identify the issue and take the necessary steps to fix it.

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 U2409 fault code?

If you’re experiencing the U2409 fault code, start by checking the possible causes: a faulty Transmission Range Control Module, an open or shorted TRCM harness, or poor electrical connection in the TRCM circuit. Visually inspect the wiring harness and connectors, looking for damaged components and broken, bent, pushed out, or corroded connector pins.

u2409 error fault code explained

If your engine light is on, it could be due to a faulty Transmission Range Control Module or an openshorted harness.

To fix it, visually inspect the wiring harness and connectors for damage or corrosion. Check for broken or bent pins.

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