how to fix the rearview camera on GMC Sierra T1XX (2019-Present)?

GMC Sierra T1XX (2019-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

499 words

Problem Statement

Learn how to diagnose and fix rearview camera issues in GMC Sierra T1XX (2019-Present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components to avoid shocks or shorts.

Symptoms

•Rearview camera display is blank when shifted into reverse
•Distorted or fuzzy image on the rearview camera screen
•Error message displayed on the infotainment system
•Camera feed intermittently cutting out
•Inability to access rearview camera settings in the menu

Diagnostic Steps

1
Inspect the rearview camera lens for dirt or obstructions.
2
Check the vehicle's fuse box for a blown fuse related to the rearview camera system.
3
Use an OBD-II scanner to check for any error codes related to the camera or infotainment system.
4
Verify the connections at the rearview camera for any loose or damaged wires.
5
Test the rearview camera by directly connecting it to a multimeter to check for voltage and continuity.
6
Examine the infotainment system for software updates or resets.

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

•OBD-II scanner
•Multimeter
•Screwdriver set
•Fuse puller
•Microfiber cloth

Parts Required

•Replacement rearview camera (if necessary)
•New fuse (if blown)

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Diagnostic Steps

1
Inspect the rearview camera lens for dirt or obstructions.
2
Check the vehicle's fuse box for a blown fuse related to the rearview camera system.
3
Use an OBD-II scanner to check for any error codes related to the camera or infotainment system.
4
Verify the connections at the rearview camera for any loose or damaged wires.
5
Test the rearview camera by directly connecting it to a multimeter to check for voltage and continuity.
6
Examine the infotainment system for software updates or resets.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to prevent electrical shorts.
Ensure the vehicle is parked on a level surface with the transmission in "Park".

2. Inspect and Clean the Camera

Remove any dirt or debris from the rearview camera lens using a microfiber cloth.
If the lens is damaged, proceed to replace the camera.

3. Check and Replace the Fuse

Locate the fuse box, typically found under the dash or in the engine compartment.
Remove the fuse associated with the rearview camera using a fuse puller.
Inspect the fuse for continuity and replace it if blown with the same amperage rating.

4. Repair or Replace the Camera

Remove the rearview camera assembly from its mounting point (usually secured with screws).
Disconnect the wiring harness from the camera.
If repairs are possible (e.g., reseating connections), do so. Otherwise, install a new rearview camera.
- Connect the wiring harness to the new camera.
- Secure the camera assembly back into place.

5. Reconnect Battery and Test

Reconnect the vehicle's battery.
Shift the vehicle into reverse and check the rearview camera display for functionality.