why does my Ram 1500 DT (2019-Present) dash display go blank

Ram 1500 DT (2019-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

508 words

Problem Statement

Learn how to diagnose and fix the blank dash display issue in 2019-Present Ram 1500 DT. Step-by-step guide with diagnostic procedures 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 systems to prevent shock or short circuits.
•Allow the vehicle to cool down before working on any components.

Symptoms

•Dash display turns off without warning
•No illumination of warning lights or gauges
•Occasional flickering before going blank
•Infotainment system may continue functioning
•Error messages related to the display may appear
•Difficulty in accessing vehicle information such as speed and fuel levels

Diagnostic Steps

1
Inspect the fuse associated with the dashboard display for any signs of damage or failure.
2
Check the vehicle's battery voltage and connections to ensure proper power supply.
3
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) related to the instrument cluster or display.
4
Inspect wiring harness connections to the dashboard for loose or damaged connectors.
5
Perform a visual inspection of the dash display for any physical damage or signs of moisture intrusion.
6
Reset the vehicle’s infotainment system to see if the display functionality resumes.

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
•Fuse puller or pliers
•Screwdriver set

Parts Required

•Replacement fuse (as needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Symptoms

•Dash display turns off without warning

•No illumination of warning lights or gauges

•Occasional flickering before going blank

•Infotainment system may continue functioning

•Error messages related to the display may appear

•Difficulty in accessing vehicle information such as speed and fuel levels

Diagnostic Steps

1
Inspect the fuse associated with the dashboard display for any signs of damage or failure.
2
Check the vehicle's battery voltage and connections to ensure proper power supply.
3
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) related to the instrument cluster or display.
4
Inspect wiring harness connections to the dashboard for loose or damaged connectors.
5
Perform a visual inspection of the dash display for any physical damage or signs of moisture intrusion.
6
Reset the vehicle’s infotainment system to see if the display functionality resumes.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the vehicle's battery to avoid electrical shock.

2. Inspect and Replace Fuse

Locate the fuse box; refer to the owner's manual for the exact location of the dashboard display fuse.
Remove the fuse using a fuse puller or pliers.
Inspect the fuse; if it is blown, replace it with a new fuse of the same amperage.

3. Check Battery and Connections

Using a multimeter, measure the battery voltage; it should be around 12.6 volts with the engine off.
Inspect battery terminals for corrosion or loose connections; clean and tighten as necessary.

4. Inspect Wiring Harness

Remove the dashboard cover to access the wiring harness.
Check connections for any signs of wear, corrosion, or disconnection.
Reseat any loose connectors and repair any damaged wires with appropriate electrical tape or connectors.

5. Reset Infotainment System

Reconnect the battery.
Turn on the ignition and press and hold the power button on the infotainment system for about 10 seconds to reset.