how to fix the remote start not working on my Ram 1500 DT (2019-Present)

Ram 1500 DT (2019-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

529 words

Problem Statement

Learn how to diagnose and fix remote start issues in 2019-Present Ram 1500 DT. 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 prevent short circuits or shocks.

Symptoms

•Remote start button on the key fob does not activate the engine
•"Remote Start Disabled" message on the dashboard
•Engine starts normally using the ignition key
•Hazard lights flash once but engine does not start
•Battery in the key fob is low or dead

Diagnostic Steps

1
Check the key fob battery and replace it if necessary.
2
Verify that all doors are closed and locked, as remote start will not activate if any doors are ajar.
3
Scan the vehicle’s onboard diagnostics (OBD-II) for any error codes that may indicate an issue with the remote start system.
4
Inspect the vehicle’s battery voltage and ensure it is above the minimum threshold for remote start operation.
5
Check the vehicle’s settings in the Uconnect system to ensure remote start is enabled.
6
Confirm that the vehicle is in an appropriate condition for remote starting, such as being in a park position.

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
•Small flat-head screwdriver
•Multimeter

Parts Required

•Key fob battery (CR2032)

Related Faults

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Diagnostic Steps

1
Check the key fob battery and replace it if necessary.
2
Verify that all doors are closed and locked, as remote start will not activate if any doors are ajar.
3
Scan the vehicle’s onboard diagnostics (OBD-II) for any error codes that may indicate an issue with the remote start system.
4
Inspect the vehicle’s battery voltage and ensure it is above the minimum threshold for remote start operation.
5
Check the vehicle’s settings in the Uconnect system to ensure remote start is enabled.
6
Confirm that the vehicle is in an appropriate condition for remote starting, such as being in a park position.

Solution

1. Preparation

Gather the necessary tools and parts.
Ensure the vehicle is parked on a level surface and the ignition is off.
Disconnect the negative battery terminal for safety.

2. Replace Key Fob Battery

Use a small flat-head screwdriver to gently pry open the key fob.
Remove the old battery and replace it with a new one (typically CR2032).
Reassemble the key fob and test the remote start function.

3. Check Vehicle Settings

Reconnect the negative battery terminal.
Turn the ignition to the "ON" position without starting the engine.
Use the touchscreen interface to navigate to the "Settings" menu.
Select "Vehicle" and then "Remote Start" to ensure it is enabled.

4. Inspect Wiring Connections

Remove the dashboard panel if necessary to access the remote start module.
Check all wiring connections for signs of damage, corrosion, or disconnection.
Repair or replace any damaged wiring as needed.

5. Test Remote Start Functionality

Reconnect the dashboard panel and ensure all components are secure.
Attempt to use the remote start feature with the key fob to verify that it is functioning correctly.