Will speedometer make check engine light come on?
Check Engine Light comes on The speedometer sensor is located inside the transmission and attached to a driveshaft, which impacts multiple functions of the car. Due to this fact, it’s possible that the Check Engine Light will light up on the dashboard if a sensor problem is discovered by the vehicle’s CPU.
Will a bad speed sensor cause a check engine light?
3. Check Engine Light comes on. If the signals are lost from the transmission speed sensors, the PCM will set a DTC and illuminate the Check Engine Light on the vehicle dashboard. If the problem rests with the speed sensors, depending on your particular transmission, a mechanic may be able to replace the sensor.
What are the symptoms of a bad speedometer sensor?
5 Common Bad Speed Sensor Symptoms
- Transmission problems.
- Erratic speedometer readings.
- Inability to engage cruise control.
- Lack of torque converter clutch application.
- Check Engine Light is triggered.
- An internal electrical fault in the speed sensor.
- Damage on the sensor itself.
- Poor vehicle maintenance.
How can I tell if my speedometer sensor is bad?
On most cars sold today, this will be indicated by the cruise control light being illuminated on the dashboard – even if it’s not engaged. If you experience this problem, it’s possible that the speedometer sensor needs to be replaced. 3. Check Engine Light comes on
Can a check engine light be a bad speed sensor?
But if you have malfunctioning cruise control and a Check Engine light coming on, this is a clear indication of a faulty speed sensor. After all, the engine control unit depends on having valid speed information regarding the engine’s crankshaft.
What does it mean if your speed sensor is broken?
Seeing the “check engine light” flashing does not always pertain to a damaged speed sensor because it can also mean more things. However, if you already noticed a faulty cruise control coupled with the illuminating check engine light indicator, the problem is no doubt a broken speed sensor.
How does the speedometer work in a car?
Today’s cars and trucks have electronic fuel injection, which is controlled by the onboard computer. The EFI supplies fuel to the engine based on input from multiple sensors; one of which is the speedometer sensor.