my GMC Sierra T1XX (2019-Present) rearview camera not working, how to fix

GMC Sierra T1XX (2019-Present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

461 words

Problem Statement

Learn how to diagnose and fix the rearview camera issue in your GMC Sierra T1XX. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent short circuits.

Symptoms

•Rearview camera display is blank or not activating
•Error message on the infotainment screen
•Camera lens appears cloudy or damaged
•No sound or notification when the vehicle is in reverse
•Infotainment system freezes or is unresponsive

Diagnostic Steps

1
Inspect the rearview camera lens for physical damage or obstruction.
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 system.
4
Verify the connection and wiring to the rearview camera for any signs of wear or disconnection.
5
Test the infotainment system to ensure it is functioning properly and is updated to the latest software version.

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
•Socket set
•Torx screwdriver

Parts Required

•Replacement rearview camera (if faulty)
•Wiring harness (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the rearview camera lens for physical damage or obstruction.
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 system.
4
Verify the connection and wiring to the rearview camera for any signs of wear or disconnection.
5
Test the infotainment system to ensure it is functioning properly and is updated to the latest software version.

Solution

1. Preparation

Gather necessary tools and replacement parts.
Disconnect the negative terminal of the battery to ensure safety during repairs.

2. Remove the Camera

Tools Required: Socket set, Torx screwdriver
Locate the rearview camera assembly, which is typically mounted on the tailgate or above the license plate.
Remove the screws or bolts securing the camera assembly using the appropriate socket or Torx screwdriver.
Carefully disconnect the wiring harness from the camera.

3. Inspect and Replace

Examine the removed camera for any visible damage or malfunction.
If damaged, install a new rearview camera by connecting the wiring harness securely and positioning the camera in its mounting area.
Reattach the screws or bolts to secure the camera in place.

4. Check Wiring

Inspect the wiring harness leading to the camera for any frayed wires or loose connections.
If damaged wiring is found, repair or replace the wiring as needed.

5. Reconnect Battery and Test

Reconnect the negative terminal of the battery.
Turn on the vehicle and shift it into reverse to test the rearview camera functionality.