Mazda Forward Sensing Camera (FSC) Repair – Lane-Keep Assist

The front camera in a Mazda, used by the Lane-Keep Assist (LKA) system, is located at the top of the windshield, near the rearview mirror. This system warns the driver when the car unintentionally drifts out of its lane and can, in some cases, make minor corrections. This is done through audible signals, steering wheel vibrations, and lane markings.
This camera, also called the Forward Sensing Camera (FSC) , is not only essential for Lane-Keep Assist, but also for other driver assistance systems and detecting traffic situations.

How does the Lane Keep Assist system work?

• Detection: The FSC camera monitors the road markings.

• Warning: If the vehicle unintentionally deviates from its lane, a warning will appear on the dashboard, possibly with an audible signal and/or vibrations in the steering wheel.

• Correction: If necessary, the system gently steers the car back to the center of the lane.

Mazda FSC Front Camera Repair – Error Code U3000:04-0A

The front cameras in modern Mazdas are part of several safety systems such as Lane Keep Assist (LKA), Adaptive Cruise Control (ACC) and Traffic Sign Recognition (TSR).
When this module fails, multiple functions will be lost and warnings will appear on the dashboard.

A common problem is the error code U3000:04-0A that is stored in the FSC camera module.

What does error code U3000:04-0A mean?

In Mazda models this stands for:

U3000:04-0A – Control Module – Internal Electronic Failure
(Internal electronic malfunction of the camera module)

This means that the camera is no longer communicating properly with other systems or that an internal electronic defect has been detected.

Symptoms of this defect

In the event of a fault with error code U3000:04-0A, the driver often notices:

• Notifications such as: “Forward Sensing Camera System Malfunction”

• Loss of LKA, ACC, TSR and other ADAS functions

• Warning light on the dashboard

• No possibility of recalibration after replacing the windshield or disconnecting the battery

Is camera replacement necessary?

Mazda dealers often recommend replacing the entire module, which is very expensive.
At ABS-Stuurapparaten we specialize in the repair of original Mazda Forward Sensing Cameras (FSC)

This saves you up to 70% compared to purchasing a new module.

How does the repair proceed?

1. Diagnosis – confirmation of error code U3000:04-0A

2. Repair of electronics

3. Functional tests

4. Assembly & calibration – often immediately usable again without recalibration (if the original camera has been repaired)

Mazda models with this problem

The error U3000:04-0A is common in the following models:

• Mazda 2 (DJ, DL – from 2015)

• Mazda 3 (BM, BN, BP – from 2013)

• Mazda 6 (GJ, GL – from 2013)

• Mazda CX-3 (from 2015)

• Mazda CX-5 (KE, KF – from 2015)

• Mazda CX-30 (from 2019)

• Mazda MX-5 (ND – from 2015)

1. Assembly & calibration – often immediately usable again without recalibration (if the original camera has been repaired)

Mazda part number:

Report repair

1. Complete the Repair Form : Send your part to us 📦

2. Pack the camera well and send it to our workshop.

3. After repair, we will return the camera via parcel service (cash on delivery).

📞 Phone: +31 687120809
📧 Email: info@absstuurartikelen.nl

💡 Summary

Error code U3000:04-0A in Mazda front cameras doesn't always lead to expensive replacements. In most cases, the original camera can be successfully repaired, allowing all driver assistance systems to function fully again.
With a repair you benefit from a reliable solution, lower costs and retention of the original factory module .

Why have your Forward Sensing Camera (FSC) repaired in Mazda by us?

✅ Up to 70% cheaper than replacing
A new front camera is expensive – we offer an affordable and reliable alternative.

✅ Years of experience & professional diagnostic equipment
Our specialists have extensive experience with electronic vehicle systems from Mazda, Nissan, VAG cars

✅ Warranty on every repair
With us you get certainty: all repairs are covered by a clear warranty.

✅ No calibration required after repair
Our unique method allows you to remount the camera immediately – without any additional adjustment.

✅ Environmentally friendly
Repairing is better for the environment – ​​less electronic waste, less wasted resources.

Don't let a faulty front camera ruin your driving experience.
Have your module overhauled and say goodbye to error messages like:
“Forward Sensing Camera System Malfunction”

📩 Questions? Feel free to contact us – we're happy to help!