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

524 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 the battery before working on electrical systems if necessary.

Symptoms

•Remote start button on the key fob is unresponsive
•Vehicle does not start after pressing the remote start button
•Check engine light illuminated on the dashboard
•Doors do not lock/unlock with the remote
•Battery in the key fob is new or replaced recently

Diagnostic Steps

1
Check the vehicle’s battery voltage using a multimeter to ensure it is in good condition.
2
Scan the vehicle’s OBD-II system for any error codes related to the remote start or security system.
3
Inspect the key fob battery and replace it if necessary, even if it is new.
4
Verify that the vehicle is in a suitable environment for remote start (e.g., not in a closed garage, hood closed).
5
Confirm that the vehicle's security features (like the ignition lock) are functioning properly.
6
Check the vehicle's remote start system settings in the vehicle's settings menu.

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
•Screwdriver (for key fob disassembly)

Parts Required

•Key fob battery (CR2032 or equivalent)

Related Faults

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Diagnostic Steps

1
Check the vehicle’s battery voltage using a multimeter to ensure it is in good condition.
2
Scan the vehicle’s OBD-II system for any error codes related to the remote start or security system.
3
Inspect the key fob battery and replace it if necessary, even if it is new.
4
Verify that the vehicle is in a suitable environment for remote start (e.g., not in a closed garage, hood closed).
5
Confirm that the vehicle's security features (like the ignition lock) are functioning properly.
6
Check the vehicle's remote start system settings in the vehicle's settings menu.

Solution

1. Preparation

Ensure the vehicle is parked in an open area and the hood is closed.
Gather tools: OBD-II scanner, multimeter, new key fob battery (if needed).

2. Battery Check

Sub-step 1: Open the hood and visually inspect the battery for any corrosion or loose connections.
Sub-step 2: Use a multimeter to measure the battery voltage; it should read between 12.4V to 12.7V for a fully charged battery.
Sub-step 3: If the voltage is low, charge the battery or replace it if necessary.

3. Key Fob Inspection

Sub-step 1: Open the key fob and replace the battery with a new CR2032 or equivalent if it is not functioning.
Sub-step 2: Test the remote functions after battery replacement to see if the issue is resolved.

4. OBD-II Scanning

Sub-step 1: Connect the OBD-II scanner to the vehicle's diagnostic port.
Sub-step 2: Scan for error codes and address any issues indicated, especially those related to the remote start or security system.
Sub-step 3: Clear any existing codes and see if new codes appear after attempting remote start.

5. Remote Start Settings

Sub-step 1: Access the vehicle's settings via the infotainment system.
Sub-step 2: Navigate to the remote start settings and ensure it is enabled.
Sub-step 3: If necessary, reset the remote start feature by disabling and re-enabling it.