how can I 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

533 words

Problem Statement

Learn how to diagnose and fix the remote start issue on your 2019 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 battery before working on electrical systems.
•Ensure the vehicle is in a safe location before testing remote start functionality.

Symptoms

•Remote start button does not respond when pressed
•No indication of engine starting (no lights, sounds, or notifications)
•Check engine light illuminated (if applicable)
•Vehicle may not unlock or lock with the remote
•Indicator lights on the dashboard may flash without starting

Diagnostic Steps

1
Check the key fob battery; replace if necessary.
2
Verify the vehicle is in a suitable environment for remote start (e.g., doors closed, hood closed).
3
Scan for error codes using an OBD-II scanner to identify potential issues.
4
Inspect the vehicle's battery voltage and connections for proper power levels.
5
Check the settings in the vehicle’s infotainment system to ensure remote start is enabled.
6
Test the key fob signal with a multimeter to ensure it is transmitting properly.

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

•Flathead screwdriver
•OBD-II scanner
•Multimeter
•Wrench set

Parts Required

•CR2032 battery

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Diagnostic Steps

1
Check the key fob battery; replace if necessary.
2
Verify the vehicle is in a suitable environment for remote start (e.g., doors closed, hood closed).
3
Scan for error codes using an OBD-II scanner to identify potential issues.
4
Inspect the vehicle's battery voltage and connections for proper power levels.
5
Check the settings in the vehicle’s infotainment system to ensure remote start is enabled.
6
Test the key fob signal with a multimeter to ensure it is transmitting properly.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked in a well-ventilated area.
Disconnect the negative battery terminal to prevent electrical short circuits.

2. Replace Key Fob Battery

Sub-steps:
1. Open the key fob by using a small flathead screwdriver to gently pry it apart.
2. Remove the old battery and insert a new CR2032 battery, ensuring the polarity matches.
3. Snap the key fob back together securely.
Tools Required: Flathead screwdriver

3. Check and Reset Remote Start Settings

Sub-steps:
1. Start the vehicle and access the settings on the infotainment screen.
2. Navigate to 'Settings' > 'Vehicle' > 'Remote Start'.
3. Ensure the remote start feature is enabled.
4. Save any changes and exit the menu.
Tools Required: None

4. Inspect Battery and Connections

Sub-steps:
1. Open the hood and visually inspect the battery for corrosion or loose connections.
2. Clean any corrosion using a mixture of baking soda and water.
3. Tighten any loose battery terminals.
4. Check the battery voltage with a multimeter; it should read above 12.6 volts.
Tools Required: Multimeter, wrench set

5. Reconnect Battery

After completing the repairs, reconnect the negative battery terminal.
Tighten securely to ensure a good connection.