my GMC Sierra T1XX (2019-Present) rearview camera is not working, what should I check

GMC Sierra T1XX (2019-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

487 words

Problem Statement

Learn how to diagnose and fix the rearview camera issue in your GMC Sierra T1XX. Step-by-step instructions and troubleshooting tips included.

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 shorts or shocks.

Symptoms

•Rearview camera display is blank or not activating
•Error message on the infotainment screen
•Camera image is distorted or flickering
•No sound or feedback when engaging reverse gear
•Check for any blown fuses related to the camera system

Diagnostic Steps

1
Inspect the vehicle's infotainment system for any software updates.
2
Check the rearview camera harness and connectors for loose or damaged wiring.
3
Examine the camera lens for dirt, debris, or physical damage.
4
Use an OBD-II scanner to check for any related error codes.
5
Verify the fuse for the rearview camera system is intact and functioning.

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
•Screwdriver set
•Fuse puller or needle-nose pliers

Parts Required

•Replacement rearview camera (if needed)
•Fuses (as needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the vehicle's infotainment system for any software updates.
2
Check the rearview camera harness and connectors for loose or damaged wiring.
3
Examine the camera lens for dirt, debris, or physical damage.
4
Use an OBD-II scanner to check for any related error codes.
5
Verify the fuse for the rearview camera system is intact and functioning.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is parked on a flat surface and the ignition is off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect Wiring and Connectors

Tools Required: Socket set, screwdriver set.
Remove the interior trim panel around the rearview camera if necessary.
Check all wiring and connectors leading to the rearview camera for corrosion, breaks, or loose connections.
Reconnect any loose connectors securely.

3. Clean or Replace Camera

If the lens is dirty, clean it with a microfiber cloth and lens cleaner.
If the camera is damaged, remove it by unscrewing the mounting screws and disconnecting the wiring harness.
Tools Required: Screwdriver set.
Install a new rearview camera by reversing the removal steps, ensuring the wiring is securely connected.

4. Check and Replace Fuse

Tools Required: Fuse puller or needle-nose pliers.
Locate the fuse box (refer to the owner's manual for specific location).
Identify the fuse for the rearview camera system and pull it out.
Inspect the fuse; if blown, replace it with a fuse of the same amperage.

5. Reconnect Battery and Test

Reconnect the negative battery terminal.
Start the vehicle and shift into reverse to check if the rearview camera activates.
Observe for any error messages on the infotainment system.