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my Ram 1500 DT (2019-Present) has a speedometer not working what should I do - Ram 1500
Home/Cars/Ram/1500/DT (2019-Present)/my Ram 1500 DT (2019-Present) has a speedometer not working what should I do

my Ram 1500 DT (2019-Present) has a speedometer not working what should I do

Ram 1500 DT (2019-Present)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
477 words

Problem Statement

Learn how to diagnose and fix a non-functioning speedometer in a 2019-Present 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 to prevent short circuits.

Symptoms

  • •Speedometer needle remains at zero
  • •Check engine light illuminated
  • •Inconsistent or erratic speed readings
  • •Vehicle speed data may be missing in the digital display
  • •Transmission shifting issues (if equipped with adaptive transmission)

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

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
  • •Socket set
  • •Torque wrench

Parts Required

  • •Speed sensor (if defective)

Additional Information

Affected Component
Electrical
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
1 item

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Solution
1. Preparation
  • Gather tools and parts needed for the repair.
  • Safety equipment: gloves and safety glasses.
  • Disconnect the negative terminal of the battery to prevent electrical shorts.
2. Inspect and Replace Speed Sensor

  1. Locate the Speed Sensor:

    • The speed sensor is usually mounted on the transmission.
    • Refer to the vehicle's service manual for exact location.

  2. Remove the Speed Sensor:

    • Disconnect the electrical connector from the speed sensor.
    • Use a socket wrench to remove the speed sensor from its mounting location.

  3. Inspect the Sensor:

    • Check the sensor for any physical damage or wear.
    • If the sensor appears damaged, replace it with a new one.

  4. Install New Speed Sensor:

    • Apply a small amount of thread sealant to the threads of the new sensor.
    • Install the new sensor and tighten to the manufacturer's specified torque (typically around 15-20 ft-lbs).
    • Reconnect the electrical connector securely.
3. Reconnect Battery and Test

  1. Reconnect the Battery:

    • Reconnect the negative terminal of the battery.

  2. Check for Error Codes:

    • Use the OBD-II scanner to clear any stored codes and check if new codes appear.

  3. Test Drive the Vehicle:

    • Take the vehicle for a test drive to confirm the functionality of the speedometer.