how to fix the rearview camera not working in my BMW 5 Series G30/G31 (2017-2024)?

BMW 5 Series G30/G31 (2017-2024)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

543 words

Problem Statement

The rearview camera in a BMW 5 Series G30/G31 (2017-2024) is not functioning, potentially impacting parking and reversing safety.

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the vehicle's battery before working on electrical components to prevent shorts or shocks.
•Allow the vehicle to cool down if any parts were exposed to heat before handling.

Symptoms

•Rearview camera display shows a black screen
•No image or video feed when the vehicle is in reverse
•Error message on the infotainment screen related to the camera
•Camera lens appears dirty or obstructed
•Backup sensors functioning, but no camera view

Diagnostic Steps

1
Inspect the camera lens for dirt, debris, or physical damage.
2
Check the vehicle’s settings to ensure the rearview camera is enabled.
3
Use an OBD-II scanner to check for any error codes related to the camera system.
4
Inspect the wiring harness and connectors leading to the camera for damage or corrosion.
5
Test the camera functionality by checking the voltage at the camera connector while the vehicle is in reverse.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Ensure the vehicle is parked on a level surface with the engine off.

Parts Required

•Replacement rearview camera (if needed)
•Electrical connectors (if wiring repairs are necessary)

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Diagnostic Steps

1
Inspect the camera lens for dirt, debris, or physical damage.
2
Check the vehicle’s settings to ensure the rearview camera is enabled.
3
Use an OBD-II scanner to check for any error codes related to the camera system.
4
Inspect the wiring harness and connectors leading to the camera for damage or corrosion.
5
Test the camera functionality by checking the voltage at the camera connector while the vehicle is in reverse.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, cleaning supplies (microfiber cloth, isopropyl alcohol).
Ensure the vehicle is parked on a level surface with the engine off.

2. Clean the Camera Lens

Use a microfiber cloth and isopropyl alcohol to clean the camera lens.
Ensure no obstructions are blocking the view.
Test the camera again to see if cleaning resolves the issue.

3. Inspect and Repair Wiring

Remove the rear bumper cover to access the camera wiring harness.
- Use a socket set to remove any screws or clips securing the bumper.
Visually inspect the wiring for any signs of wear, fraying, or corrosion.
If damaged, repair the wiring using appropriate electrical connectors and heat shrink tubing.

4. Replace the Camera (if necessary)

If the camera is confirmed faulty, disconnect the camera wiring harness.
Remove the camera from its mounting bracket.
Install the new camera in the reverse order:
- Position the new camera into the mounting bracket.
- Reconnect the wiring harness ensuring a secure fit.
Reattach the rear bumper cover using the original screws and clips.

5. Reset the System

Reconnect the vehicle’s battery if it was disconnected during repairs.
Use the OBD-II scanner to clear any error codes related to the camera system.
Cycle the ignition to reset the vehicle’s electrical system.