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

537 words

Problem Statement

Learn how to diagnose and fix remote start issues in 2019-Present Ram 1500. 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

•Ensure the vehicle is in a well-ventilated area when testing the remote start feature to prevent exhaust buildup.

Symptoms

•Remote start button on the key fob does not respond
•Check engine light illuminated
•Vehicle does not start when remote start is activated
•Unresponsive key fob
•Inconsistent operation of remote start feature (works intermittently)

Diagnostic Steps

1
Check the key fob battery and replace if necessary.
2
Inspect the key fob for physical damage or wear.
3
Verify that the vehicle is in an appropriate state for remote starting (e.g., doors closed, hood closed, no security system alerts).
4
Use an OBD-II scanner to check for any error codes related to the remote start system.
5
Confirm that the remote start feature is enabled in the vehicle’s settings (refer to the owner's manual).
6
Test the distance and range of the key fob to ensure it is functioning 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

•OBD-II scanner
•Small flathead screwdriver

Parts Required

•Replacement key fob battery (CR2032 or as specified)

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Diagnostic Steps

1
Check the key fob battery and replace if necessary.
2
Inspect the key fob for physical damage or wear.
3
Verify that the vehicle is in an appropriate state for remote starting (e.g., doors closed, hood closed, no security system alerts).
4
Use an OBD-II scanner to check for any error codes related to the remote start system.
5
Confirm that the remote start feature is enabled in the vehicle’s settings (refer to the owner's manual).
6
Test the distance and range of the key fob to ensure it is functioning properly.

Solution

1. Preparation

Gather tools and parts: OBD-II scanner, small flathead screwdriver, replacement key fob battery (CR2032 or as specified).
Ensure the vehicle is parked securely and the engine is off.

2. Key Fob Battery Replacement

Open the key fob using the small flathead screwdriver to pry apart the casing gently.
Remove the old battery and install the new battery, ensuring the polarity matches the diagram inside the fob.
Snap the key fob casing back together.

3. Check Remote Start Settings

Start the vehicle and access the settings menu on the vehicle's infotainment system.
Navigate to "Vehicle" settings, then "Remote Start" options.
Ensure that the remote start feature is enabled. If disabled, enable it and save the settings.

4. Inspect for Error Codes

Connect the OBD-II scanner to the vehicle's OBD-II port (typically located under the dashboard).
Turn the ignition to the "On" position without starting the engine.
Scan for any error codes related to the remote start system and document findings.
Clear any codes if they are non-critical and attempt to use the remote start again.

5. Test the Remote Start Feature

Ensure the vehicle is locked and all doors, hood, and trunk are closed.
Press the remote start button on the key fob to see if it successfully starts the engine.
If it works, perform a distance test to confirm functionality from various ranges.