14 posts · Joined 2010. #1 · Nov 2, 2010. I pulled this code "P0502 Vehicle Speed Sensor Circuit Low Input" after my check engine light came on. I asked the guy at autozone to look up what part it could be. He said my speed sensor was probably bad. However, he found 4 options for speed sensor and said there is one on each wheel.Labor Costs: Labor charges for a speed sensor replacement typically range from $50 to $150 or more per hour. The actual time required for the replacement can vary based on the vehicle. Total Cost: In total, the cost of replacing a speed sensor can range from $100 to $500 or more, factoring in parts and labor. Luxury or high-performance vehicles P0720 is a generic OBD II trouble code, which means that it has the same meaning for your Audi Q7 as it would any other vehicle. It indicates that your Q7’s OSS (Output Shaft Speed Sensor) is reporting a malfunction. It’s typically caused by a bad OSS, or a wiring problem. The OSS works by spinning a gear at the end of the transmission. Start the engine, and run it until normal operating temperature is reached. Stop the engine and diconnect the throttle position sensor wiring plug. Connect the ohmmeter across pins 1 and 3 of the wiring plug. The reading should be 1000 to 1050 ohms. Connection the ohmeters between pins 1 and 2 of the wiring plug.
Ram 1500 – (Jonathan Weiss / Shutterstock) The only major symptom of bad wheel speed sensor in Ram 1500 is the ABS warning light comes on in the instrument cluster, and the anti-lock braking system is disabled. When the ABS light / comes on in your Ram, the anti-lock braking system is disabled. The vehicle can still be braked without ABS.
The barometric sensor, also commonly known as the barometric air pressure sensor (BAP), is a type of engine management sensor commonly found on many vehicles. It is responsible for measuring the atmospheric pressure of the environment that the vehicle is driving in. Different environments will have different atmospheric pressures, which will Sap0qKh.