FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/BMW/5 Series/G30/G31 (2017-2024)/how to troubleshoot a non-functioning speedometer in BMW 5 Series G30/G31 (2017-2024)

how to troubleshoot a non-functioning speedometer in BMW 5 Series G30/G31 (2017-2024)

BMW 5 Series G30/G31 (2017-2024)

Severity: mediumDifficulty: medium2-4 hours
3 min read
504 words

Problem Statement

## Problem Statement The speedometer in a BMW 5 Series G30/G31 (2017-2024) is not functioning, leading to an inability to accurately gauge the vehicle's speed.

Repair Time
2-4 hours

Safety Warnings

  • ⚠Safety Warnings:**
  • ⚠Disconnect battery before working on electrical systems to avoid short circuits.
  • ⚠Ensure the vehicle is securely raised and supported when working underneath.

Symptoms

  • •Speedometer needle remains at zero
  • •Check control message indicating speedometer malfunction
  • •Inconsistent speed readings or fluctuations
  • •Erratic behavior of the onboard computer display
  • •Possible related warning lights illuminated on the dashboard

Diagnostic Steps

  1. 1Scan the vehicle's computer system using an OBD-II scanner for any error codes related to the speedometer or instrument cluster.
  2. 2Check the vehicle speed sensor (VSS) for proper operation and wiring integrity.
  3. 3Inspect the instrument cluster connections for corrosion or loose wiring.
  4. 4Verify the functioning of the CAN bus system, as communication issues can affect the speedometer.
  5. 5Test the vehicle speed sensor output using a multimeter to ensure it is sending the correct signals.
  6. 6Check for any recent software updates or recalls that may affect the instrument cluster functionality.

Solution

Solution

1. Preparation

  • Gather tools and parts needed.
  • Disconnect the battery to avoid electrical issues during repair.
  • Ensure the vehicle is on a flat surface and safely secured with wheel chocks.

2. Inspect and Test the Vehicle Speed Sensor (VSS)

  • Locate the VSS, typically found on the transmission.
  • Disconnect the VSS electrical connector.
  • Using a multimeter, check for resistance across the VSS terminals; refer to the service manual for the specific resistance range.
  • If the VSS is faulty, proceed to replace it.

3. Replace the Vehicle Speed Sensor

  • Remove the VSS from the transmission, usually held in place with bolts.
  • Install the new VSS ensuring it is seated properly.
  • Reconnect the electrical connector securely.

4. Check and Repair Instrument Cluster Connections

  • Remove the instrument cluster by unscrewing the retaining screws and carefully pulling it out.
  • Inspect the connectors for any signs of corrosion or damage. Clean or repair as necessary.
  • Reconnect the instrument cluster ensuring all connections are secure.

5. Reconnect Battery and Test

  • Reconnect the battery.
  • Turn on the ignition and observe the speedometer during a test drive to ensure it is functioning properly.

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
  • Screwdrivers

Parts Required

  • Vehicle speed sensor (if faulty)
  • Electrical connector cleaning solution (if needed)

Additional Information

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

5 items

Parts

2 items

Related Faults

Discover similar issues

  1. my BMW 5 Series G30/G31 (2017-2024) has a delayed throttle response, what’s wrong?

    ## Problem Statement The BMW 5 Series G30/G31 (2017-2024) is experiencing a delayed throttle response, potentially indicating issues with the engine m...

    Symptoms
    • •Throttle lag when accelerating
    • •Unresponsive gas pedal for a brief moment
    • +{count} more

  2. my BMW 5 Series G30/G31 (2017-2024) transmission fluid is leaking, what should I do?

    ## Problem Statement Transmission fluid is leaking from a 2017-2024 BMW 5 Series G30/G31, which can lead to transmission failure if not addressed prom...

    Symptoms
    • •Transmission fluid puddles under the vehicle.
    • •Warning light for low transmission fluid on the dashboard.
    • +{count} more

  3. why does my BMW 5 Series feel like it’s losing power when driving

    ## Problem Statement The BMW 5 Series is experiencing a loss of power during driving, which may indicate underlying performance issues that need to be...

    Symptoms
    • •Engine hesitation or stuttering during acceleration
    • •Poor throttle response
    • +{count} more

  4. why does my BMW 5 Series vibrate at high speeds

    ## Problem Statement The BMW 5 Series exhibits vibrations when driving at high speeds, which can indicate issues with wheel balance, alignment, or sus...

    Symptoms
    • •Vibrations felt through the steering wheel
    • •Uneven tire wear
    • +{count} more

  5. why does my BMW 5 Series G30/G31 (2017-2024) make a knocking noise when starting

    ## Problem Statement The BMW 5 Series G30/G31 (2017-2024) is exhibiting a knocking noise upon starting, which may indicate issues with engine componen...

    Symptoms
    • •Knocking noise from the engine area during startup
    • •Possible rough idle immediately after starting
    • +{count} more

  6. my BMW 5 Series G30/G31 (2017-2024) has a strange noise coming from the rear, what could it be?

    ## Problem Statement A 2017-2024 BMW 5 Series G30/G31 is experiencing a strange noise coming from the rear of the vehicle, potentially indicating an u...

    Symptoms
    • •Unusual grinding or squeaking noise from the rear
    • •Noise occurs during acceleration, deceleration, or turning
    • +{count} more

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation