[SOLVED] U0155 Code: How To Fix Lost Communication With Instrument Panel (2024)

The automobile fault code U0155 indicates a communication problem in the Controller Area Network (CAN) system. Symptoms may include the malfunction of the instrument panel cluster, including gauges and warning lights.

The cause of this fault code could be a faulty CAN communication system, a faulty instrument panel cluster control module, or a poor electrical connection in the control module circuit.

Repairing this issue is important as it can affect the accuracy of the vehicle’s gauges and warning lights. The repair difficulty is moderate, and the fix involves visually inspecting the wiring harness and connectors for damage or corrosion. The repair time is estimated at 1.0 hour.

It is important to check the possible causes listed above and to interpret the fault code correctly to ensure proper repair.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

Decoding U0155: Common Symptoms Of This Fault Code

Here are some symptoms that may indicate the presence of the automobile fault code u0155:

The fault code U0155 indicates a communication problem between the vehicle’s control module and the instrument cluster.
Symptoms of this fault code include the instrument cluster not working, the speedometer not functioning, the fuel gauge not working, the engine warning light staying on, the battery warning light staying on, and the vehicle not starting.
Additionally, the radio and other electronic components may not work properly.
It is important to have this issue diagnosed and repaired by a qualified mechanic to prevent further damage to the vehicle.

Decoding U0155: Common Causes Of Fault Code

The u0155 automobile fault code can be caused by various factors, including faulty CAN communication system and instrument panel cluster control module.

Fix U0155: Quick Steps To Solve The Fault Code

Below are some possible fixes for the automobile fault code u0155, including inspecting wiring harness and connectors for damage or corrosion.

To fix the automobile fault code u0155, 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.

Crunching The Numbers: U0155 Repair Cost & Complexity

The automobile fault code U0155 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the repair time, which is commonly charged between $75 and $150 per hour by most auto repair shops. Therefore, the total cost of diagnosis and fixing the U0155 fault code will depend on the hourly rate charged by the repair shop and the time taken to complete the repair.

Decoding U0155: Symptoms And Causes

The u0155 fault code is a common issue that can cause the engine light to turn on or the service engine soon warning light to appear. This code indicates that there is a communication problem between the vehicle’s control module and the instrument cluster.When this fault code appears, it means that the control module is not receiving the necessary information from the instrument cluster.

This can cause a variety of issues, including problems with the vehicle’s speedometer, tachometer, and other gauges.If you notice the engine light or service engine soon warning light on your dashboard, it is important to have your vehicle diagnosed by a professional mechanic. They can use specialized equipment to read the fault code and determine the root cause of the problem.

FAQ

What are the possible causes of the u0155 automobile fault code?

The u0155 automobile fault code can be caused by a faulty Controller Area Network (CAN) Communication System, a faulty Instrument Panel Cluster Control Module, an open or shorted Instrument Panel Cluster Control Module harness, or poor electrical connection in the Instrument Panel Cluster Control Module 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 u0155 fault code?

To fix the u0155 fault code, start by checking 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 will help identify any issues with the faulty Controller Area Network (CAN) Communication System, faulty Instrument Panel Cluster Control Module, or open/shorted Instrument Panel Cluster Control Module harness.

What are the steps to take if one finds broken, bent, pushed out, or corroded connector’s pins while fixing the u0155 fault code?

If you encounter broken, bent, pushed out, or corroded connector’s pins while fixing the u0155 fault code, follow these steps: Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Look for damaged components and examine the connector’s pins. If you find any broken, bent, pushed out, or corroded pins, replace the connector or repair the pins as necessary. This will ensure a proper electrical connection and help resolve the u0155 fault code.

[SOLVED] U0155 Code: How To Fix Lost Communication With Instrument Panel (1)

Wrap Up

To fix the u0155 fault code, check for faulty CAN communication system, instrument panel cluster control module, or related wiring harness and connectors. Visually inspect for damage and check for broken, bent, pushed out, or corroded connector’s pins.