why is my Ram 1500 DT (2019-Present) remote start not working

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 remote start issues in Ram 1500 DT (2019-Present). Step-by-step guide with symptoms, diagnostic steps, and solutions.

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 avoid short circuits

Symptoms

•Remote start button does not respond when pressed
•Vehicle does not start or crank when attempting to use remote start
•Check engine light illuminated on the dashboard
•Security system warning light is activated
•Vehicle doors lock and unlock properly but do not start
•Feedback sound (chirp) is absent when attempting to remote start

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for relevant trouble codes
2
Verify that the vehicle is in 'Park' and that all doors are closed securely
3
Check the battery voltage of the key fob to ensure it is functioning properly
4
Inspect the vehicle's security system for any active alerts or malfunctions
5
Confirm that the remote start feature is enabled in the vehicle settings
6
Test the vehicle's ignition system to ensure it is functioning correctly

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 set

Parts Required

•Key fob battery (CR2032)

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Symptoms

•Remote start button does not respond when pressed

•Vehicle does not start or crank when attempting to use remote start

•Check engine light illuminated on the dashboard

•Security system warning light is activated

•Vehicle doors lock and unlock properly but do not start

•Feedback sound (chirp) is absent when attempting to remote start

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for relevant trouble codes
2
Verify that the vehicle is in 'Park' and that all doors are closed securely
3
Check the battery voltage of the key fob to ensure it is functioning properly
4
Inspect the vehicle's security system for any active alerts or malfunctions
5
Confirm that the remote start feature is enabled in the vehicle settings
6
Test the vehicle's ignition system to ensure it is functioning correctly

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, screwdriver set, and a new key fob battery if needed.
Ensure the vehicle is parked, and the engine is off.
Disconnect the battery for safety.

2. Check and Replace Key Fob Battery

Remove the key fob casing using a small flathead screwdriver.
Replace the old battery with a new one (typically CR2032).
Reassemble the key fob and test the remote start function.

3. Inspect the Security System

Reconnect the battery and turn the ignition to the 'ON' position without starting the engine.
Check if any security system alerts are displayed on the dashboard.
If an alert is found, follow the service manual's instructions to reset or address the alert.

4. Verify Remote Start Settings

Access the vehicle’s settings via the infotainment system.
Navigate to the remote start settings and confirm that the feature is enabled.
If disabled, enable the remote start feature and exit the settings.

5. Test Ignition System

Use a multimeter to check battery voltage at the starter and ensure proper voltage is present.
If low voltage is detected, check battery connections and cables for corrosion or damage.