2014 Buick LaCrosse Speedometer Isn't Working

Diagnosing Common Causes of Speedometer Malfunctions in Your 2014 Buick LaCrosse and How to Fix Them

Find Repair Location
Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Vehicle Speed Sensor (VSS)
0%
28% chance it's the
Speedometer
0%
23% chance it's the
Electrical Issue
0%
14% chance it's
Something else
The most common reasons a 2014 Buick LaCrosse speedometer isn't working are the vehicle speed sensor (VSS), a faulty speedometer, or an electrical issue.
  • Vehicle Speed Sensor (VSS): A faulty vehicle speed sensor can result in inaccurate speed readings and erratic transmission shifting.
  • Speedometer: A faulty speed sensor or a broken connection in the speedometer circuit can result in inaccurate speed readings.
  • Electrical Issue: A blown fuse or a short circuit in the wiring can cause various electrical issues in the vehicle's systems.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What steps should I take to diagnose the non-functioning speedometer in my 2014 Buick LaCrosse?

To effectively diagnose the non-functioning speedometer in your 2014 Buick LaCrosse, start with a systematic diagnostic approach. Begin by checking for common issues such as the vehicle speed sensor (VSS), which is often the culprit behind speedometer failures. Inspect the fuses and wiring for any signs of damage or corrosion, as these can disrupt electrical connections. If the VSS appears to be functioning, examine the speedometer itself and the instrument cluster for any malfunctions. If you identify a faulty speed sensor, replacing it is usually a straightforward fix that can restore speed data transmission. Should you encounter more complex issues, such as a broken speedometer gear or deeper electrical problems, consider consulting a professional for further guidance. By following this methodical approach, you can efficiently pinpoint the cause of the speedometer malfunction and take the necessary steps to resolve it, ensuring your vehicle operates safely and accurately.

What are the common problems that could cause the speedometer to stop working in a 2014 Buick LaCrosse?

When dealing with a malfunctioning speedometer in a 2014 Buick LaCrosse, understanding the common problems that could be causing the issue is crucial for effective troubleshooting. A faulty vehicle speed sensor is often the primary suspect, as it can lead to either inaccurate speed readings or a complete failure of the speedometer. Additionally, the instrument cluster itself may have defects, such as blown fuses or internal component failures, which can disrupt the speedometer's functionality. Another potential issue is a broken speedometer cable; if this cable is damaged, it will prevent the speedometer from displaying the correct speed. Electrical problems, including loose connections or faulty wiring, can also play a significant role in speedometer malfunctions. Lastly, the engine control module (ECM) may be at fault, as it oversees various vehicle functions, including the speedometer. For a thorough diagnosis and repair, it is recommended to consult a qualified mechanic who can accurately identify and resolve these issues, ensuring the speedometer operates correctly and safely.

How urgent is it to repair the non-functioning speedometer in a 2014 Buick LaCrosse?

Addressing the malfunction of a speedometer in your 2014 Buick LaCrosse is not just a matter of convenience; it is an urgent necessity that can have serious implications. A non-functioning speedometer can lead to legal repercussions, as driving without an accurate speed reading is often against the law. More critically, it poses significant safety risks; without knowing your speed, you may inadvertently exceed limits or drive too slowly, increasing the likelihood of accidents. Additionally, a faulty speedometer may signal deeper mechanical issues within your vehicle, which, if left unaddressed, could lead to more extensive and costly repairs down the line. Furthermore, neglecting this repair can diminish your vehicle's resale value, as potential buyers are likely to be wary of unresolved issues. Therefore, it is crucial to prioritize the repair of your speedometer to ensure compliance with traffic laws, safeguard your driving experience, and maintain the overall health and value of your Buick LaCrosse.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.