[SOLVED] U2604 Code: How To Fix Communication Loss With Hybrid Battery

The automobile fault code U2604 indicates a problem with the HybridEV Battery Interface Control Module 2 or 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 module, open or shorted harness, poor electrical connection, or a faulty control module. The repair is of moderate difficulty and importance, with a repair time of 1.0.

To fix the issue, one should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

It is essential to check the possible causes listed above to interpret the fault code correctly.

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 a sign of u2604 fault code. Here are the symptoms to look out for:

  • The automobile fault code U2604 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u2604 can be caused by various issues, including faulty control modules and poor electrical connections.

  • The automobile fault code u2604 can be caused by a faulty Hybrid/EV Battery Interface Control Module 2.
  • It can also be caused by an open or shorted Hybrid/EV Battery Interface Control Module 2 harness.
  • Another cause can be a poor electrical connection in the Hybrid/EV Battery Interface Control Module 2 circuit.
  • Lastly, a faulty Battery Energy Control Module can also trigger this fault code.

Below are some possible fixes for the automobile fault code u2604, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u2604, 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 U2604 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 U2604 will range between $75 and $150, depending on the repair time required.

The u2604 fault code indicates a communication problem between the Battery Energy Control Module and the HybridEV Battery Interface Control Modules 2. Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation.

The scan tool cannot communicate with the HybridEV Battery Interface Control Modules 2 on Battery Energy Control Module dedicated bus.

The DTC will set when there is no temperature report message from HybridEV Battery Interface Control Modules 2 to Battery Energy Control Module within 4s.

What are the possible causes of the u2604 automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the u2604 fault code. This code is caused by a faulty Hybrid/EV Battery Interface Control Module 2, an open or shorted Hybrid/EV Battery Interface Control Module 2 harness, a poor electrical connection in the Hybrid/EV Battery Interface Control Module 2 circuit, or a faulty Battery Energy Control Module. To fix this issue, you should check the possible causes listed above, visually inspect the related wiring harness and connectors, and look for damaged components or broken, bent, pushed out, or corroded connector’s pins.

How can I fix the u2604 automobile fault code?

If you’re experiencing the u2604 fault code, your engine light may be on. This could be due to a faulty Hybrid/EV Battery Interface Control Module 2, an open or shorted harness, a poor electrical connection in the circuit, or a faulty Battery Energy Control Module. To fix the issue, visually inspect the wiring harness and connectors for any damage or corrosion. Check for broken, bent, pushed out, or corroded connector pins.

What should I visually inspect to diagnose the u2604 automobile fault code?

If you’re experiencing the u2604 fault code, you may notice that your engine light is on. The cause of this issue could be a faulty Hybrid/EV Battery Interface Control Module 2, an open or shorted Hybrid/EV Battery Interface Control Module 2 harness, a poor electrical connection in the Hybrid/EV Battery Interface Control Module 2 circuit, or a faulty Battery Energy Control Module. To diagnose this issue, visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

u2604 error fault code explained

If your engine light is on, it could be due to a faulty HybridEV Battery Interface Control Module 2 or a poor electrical connection.

Check the wiring harness and connectors for damage or corrosion.

Look for broken, bent, or pushed out pins.

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