Why is the speedometer not working on my Kia Sorento?
You don’t really realize how much you look at the thing until it’s just always sitting at 0 MPH while driving down the road. If your Kia Sorento’s speedometer is not working, it’s usually going to be caused by an issue with the VSS (vehicle speed sensor), or a bad ECU.
How does the VSS work on a Kia Sorento?
The VSS is one part of a system of sensors that helps keep you safe (traction control, ABS, cruise control). A modern vehicle’s speedometer takes the input from the Vehicle Speed Sensor and sends that data to the ECU. The ECU is programmed with your Sorento’s gear ratios and stock tire height.
What is the ECU on a Kia Sorento?
ECU – Your Sorento’s Engine Control Unit (ECU for short) is the computer that takes all of the information that the vehicle sensors compile and uses it to control the vehicle systems, and sends important vehicular telemetry data to the driver via the instrument cluster.
How does the speedometer work in a car?
There was a physical/mechanical connection between the drivetrain and the speedometer. Instead of this direct connection, a modern vehicle uses the vehicle speed sensor and relays that information to the speedometer. The VSS is one part of a system of sensors that helps keep you safe (traction control, ABS, cruise control).
You don’t really realize how much you look at the thing until it’s just always sitting at 0 MPH while driving down the road. If your Kia Sorento’s speedometer is not working, it’s usually going to be caused by an issue with the VSS (vehicle speed sensor), or a bad ECU.
The VSS is one part of a system of sensors that helps keep you safe (traction control, ABS, cruise control). A modern vehicle’s speedometer takes the input from the Vehicle Speed Sensor and sends that data to the ECU. The ECU is programmed with your Sorento’s gear ratios and stock tire height.
ECU – Your Sorento’s Engine Control Unit (ECU for short) is the computer that takes all of the information that the vehicle sensors compile and uses it to control the vehicle systems, and sends important vehicular telemetry data to the driver via the instrument cluster.
There was a physical/mechanical connection between the drivetrain and the speedometer. Instead of this direct connection, a modern vehicle uses the vehicle speed sensor and relays that information to the speedometer. The VSS is one part of a system of sensors that helps keep you safe (traction control, ABS, cruise control).
What to do if your speedometer is not working?
First, lift the car wheels from the ground. Then, turn on the ignition and back probe the sensor with a voltmeter. Next, spin one of the drive wheels by chocking the rest. This will allow the vehicle speed sensor to rotate. Finally, check if the voltage reading is between 1 and 10 volts. If not, the sensor will need to be replaced to fix the issue.
How does the LCD work on a Kia Sorento?
❈ For the LCD modes, refer to “LCD Display” in this chapter. The speedometer indicates the speed of the vehicle and is calibrated in miles per hour (mph) and/or kilometers per hour (km/h). The tachometer indicates the approximate number of engine revolutions per minute (rpm).
How does the speedometer work on a Kia Sorento?
A modern vehicle’s speedometer takes the input from the Vehicle Speed Sensor and sends that data to the ECU. The ECU is programmed with your Sorento’s gear ratios and stock tire height. It combines this data to send the speed reading to the instrument cluster.
First, lift the car wheels from the ground. Then, turn on the ignition and back probe the sensor with a voltmeter. Next, spin one of the drive wheels by chocking the rest. This will allow the vehicle speed sensor to rotate. Finally, check if the voltage reading is between 1 and 10 volts. If not, the sensor will need to be replaced to fix the issue.