U0104 Infiniti Code - Lost Communication With Advanced Driver Assistance Systems Control Module
Quick Answer
The U0104 Infiniti code indicates that the vehicle has lost communication with the Advanced Driver Assistance Systems (ADAS) Control Module. Common causes include A malfunctioning ADAS Control Module, Faulty wiring or connectors in the communication network, Software issues or glitches in the vehicle's systems. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- U0104 Infiniti indicates Lost Communication With Advanced Driver Assistance Systems Control Module.
- Common causes
- Common causes include A malfunctioning ADAS Control Module, Faulty wiring or connectors in the communication network, Software issues or glitches in the vehicle's systems.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code U0104 Infiniti Description
The U0104 Infiniti code indicates that the vehicle has lost communication with the Advanced Driver Assistance Systems (ADAS) Control Module. This module is responsible for managing various safety features in the vehicle, such as adaptive cruise control, lane departure warning, automatic emergency braking, and more. When communication with this module is lost, it can lead to the disabling of these crucial safety systems, putting the driver and passengers at risk.
Common Causes of U0104 Infiniti
- A malfunctioning ADAS Control Module.
- Faulty wiring or connectors in the communication network.
- Software issues or glitches in the vehicle's systems.
- Damage to sensors or modules that are part of the ADAS system.
- Interference from aftermarket modifications or accessories that disrupt the CAN communication.
Symptoms of U0104 Infiniti
- Warning lights on the dashboard related to ADAS systems (e.g., lane departure warning, adaptive cruise control) may illuminate.
- Loss of functionality in ADAS features, such as automatic emergency braking or blind spot monitoring.
- Erratic behavior in other vehicle systems that rely on data from the ADAS Control Module.
- Decreased fuel efficiency or performance due to the vehicle compensating for the loss of communication with the ADAS module.
How to Fix U0104 Infiniti
- Begin by performing a thorough diagnostic scan to confirm the U0104 code and identify any other related codes or issues.
- Inspect the wiring and connectors in the communication network for any signs of damage or corrosion. Repair or replace as needed.
- Check the ADAS Control Module for proper functioning and communication. Replace if found to be faulty.
- Clear the code from the vehicle's memory and test drive the vehicle to ensure that the ADAS features are working correctly.
- If the issue persists, further troubleshooting may be required to pinpoint the root cause, which could involve more in-depth testing of the vehicle's systems.
Cost to Fix U0104 Infiniti
The cost of repairing the U0104 code can vary depending on the specific cause of the issue. In general, you can expect to pay anywhere from $200 to $800 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can range from $80 to $150 per hour, so the total cost may be higher in some locations or at certain types of repair facilities. To get an accurate estimate, it's recommended to consult with a qualified mechanic or dealership in your area.
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Frequently Asked Questions about U0104 Infiniti Code
What does the OBDII code U0104 mean for my Infiniti?
The OBDII code U0104 indicates that there is a lost communication issue with the Advanced Driver Assistance Systems (ADAS) control module, which may affect various safety and driver assistance features.
What are the common symptoms of the U0104 code?
Common symptoms include warning lights on the dashboard, malfunctioning driver assistance features (like adaptive cruise control or lane-keeping assist), and erratic behavior in electronic systems.
What could cause the U0104 code to trigger?
Causes may include a faulty ADAS control module, damaged wiring or connectors, issues with the vehicle’s communication network, or even a dead or weak battery affecting system performance.
How can I diagnose the U0104 code?
To diagnose the U0104 code, check for other related trouble codes, inspect wiring and connectors for damage, and verify the functionality of the ADAS control module with a scan tool.
What are some common repairs for the U0104 code?
Common repairs include repairing or replacing damaged wiring and connectors, replacing a faulty ADAS control module, or reprogramming the module if necessary.
Can low battery voltage cause the U0104 code?
Yes, low battery voltage can lead to communication issues between modules, including the ADAS control module, which may trigger the U0104 code.
Is it safe to drive my vehicle with the U0104 code?
While the vehicle may be operable, driving with the U0104 code can compromise safety features. It’s advisable to have it diagnosed and repaired promptly.
Should I clear the code after repairs?
Yes, after making the necessary repairs, clear the code using an OBDII scanner to reset the system and check if the issue reoccurs.
Can I fix the U0104 code myself, or should I see a mechanic?
If you have experience with automotive diagnostics and repairs, you may attempt to fix it yourself. However, if you’re unsure, it’s best to consult a qualified mechanic for proper diagnosis and repair.
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