* Loss of Speedometer Function: The vehicle's speedometer may cease to function correctly, giving inaccurate or no speed readings.
* Cruise Control Malfunction: If your vehicle has cruise control, it might not work properly or at all due to the absence of accurate speed information.
* Engine Performance Problems: The engine's performance can suffer, including rough idling, stalling, or overall reduced performance due to the lack of accurate speed information for proper fuel and ignition adjustments.
* Transmission Shifting Issues: The transmission may experience problems with shifting gears smoothly, leading to rough shifts or delayed engagements.
* ABS System Problems: Anti-lock braking systems (ABS) rely on speed sensor inputs for proper operation, so a faulty sensor can compromise ABS functionality.
* Electronic Stability Control (ESC) Issues: If equipped, the vehicle's ESC system might not function correctly due to the absence of accurate speed information from the faulty sensor.
* Diagnostic Trouble Codes (DTCs): The vehicle's computer may set DTCs related to the failed speed sensor, triggering the check engine light.
It's important to address a faulty speed sensor promptly to ensure accurate vehicle operation, performance, and safety. Depending on the location of the sensor, replacing it might be a relatively straightforward task, but it's always a good idea to consult with a qualified mechanic or refer to a Haynes or Chilton repair manual for proper instructions.
