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Home/Cars/Ram/1500/DT (2019-Present)/my Ram 1500 DT (2019-Present) key fob isn't working, how do I fix it?

my Ram 1500 DT (2019-Present) key fob isn't working, how do I fix it?

Ram 1500 DT (2019-Present)

Error Codes
Severity: mediumDifficulty: medium30 minutes to 1 hour
3 min read
476 words

Problem Statement

Learn how to diagnose and fix a non-working key fob for 2019 Ram 1500 DT. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Component
Electrical
Repair Time
30 minutes to 1 hour

Safety Warnings

  • ⚠Ensure the vehicle is turned off before working on the key fob.

Symptoms

  • •Key fob buttons unresponsive
  • •No signal when pressing the key fob
  • •Warning light on the dashboard indicating key fob issue
  • •Inability to unlock or start the vehicle remotely
  • •Low battery warning for the key fob (if applicable)

Diagnostic Steps

  1. 1Inspect the key fob for physical damage or signs of wear.
  2. 2Replace the battery in the key fob with a new one.
  3. 3Check the vehicle’s battery voltage to ensure it is charged.
  4. 4Attempt to reprogram the key fob using the vehicle's onboard settings.
  5. 5Verify if the key fob works within proximity to the vehicle.
  6. 6Use an OBD-II scanner to check for any related error codes.

Solution

Solution

1. Preparation

  • Gather necessary tools: a new key fob battery (CR2032 or as specified), a small flat-head screwdriver, and a clean workspace.
  • Ensure the vehicle is in a safe environment with the ignition off.

2. Replace Key Fob Battery

  • Step 1: Open the key fob by inserting the small flat-head screwdriver into the seam and gently prying it apart.
  • Step 2: Remove the old battery and note its orientation.
  • Step 3: Insert the new battery in the same orientation as the old one.
  • Step 4: Snap the key fob halves back together until securely closed.

3. Reprogram Key Fob (if necessary)

  • Step 1: Sit in the driver’s seat and close all doors.
  • Step 2: Insert the key into the ignition and turn it to the "On" position (do not start the engine) and then back to "Off" five times within 10 seconds.
  • Step 3: Leave the key in the "On" position on the fifth turn. The dashboard will indicate that the vehicle is in programming mode.
  • Step 4: Press any button on the key fob for one second. The vehicle will confirm successful programming by locking and unlocking the doors.

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

  • Flat-head screwdriver
  • OBD-II scanner

Parts Required

  • Key fob battery (CR2032 or as specified)

Additional Information

Component

Electrical

Repair Time

30 minutes to 1 hour

Difficulty

medium

Severity

medium

Tools

2 items

Parts

1 items

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