What is code po502?

Error Code P0502 is defined as Vehicle Speed Sensor Low Input. This means the vehicle’s computer has detected a different reading of speed between the speed sensor of the vehicle and the wheel speed sensors.

Where is the speed sensor located?

The Speedometer Vehicle Speed Sensor (VSS) is located in the transmission housing on the passenger side output flange. Automatic Transmission The Vehicle Speed Sensor (VSS) is located on the right side of the transmission near the output shaft.

What is the difference between input and output speed sensor?

Transmission input/output sensors calculate the transmission’s actual gear ratio during usage. The first sensor, referred to as the input sensor, monitors the speed of the transmission’s input shaft. The second sensor is the output sensor, which monitors the output shaft speed.

How do I fix code P0502?

What repairs can fix the P0502 code?

Replacing the vehicle speed sensor.
Repairing or replacing wiring or connectors in the vehicle speed sensor circuit.
Replacing one or more wheel speed sensors.
Replacing a hub bearing.
Replacing a CV axle due to a faulty tone ring.
Replacing the Engine Control Module.

What is a speed sensor code?

What Does the P0500 Code Mean? Diagnostic trouble code (DTC) P0500 stands for “Vehicle Speed Sensor (VSS) Malfunction.” This code is set when the PCM or engine control module (ECM) detects incorrect speed readings or no signal at all from the vehicle speed sensor (VSS).

How do you know which speed sensor is bad?

Here are the symptoms of a bad or failing transmission speed…

Harsh or improper shifting. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission.
Cruise control does not work.
Check Engine Light comes on.

What are the signs of a bad transmission speed sensor?

Here are the symptoms of a bad or failing transmission speed…

Harsh or improper shifting. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission.
Cruise control does not work.
Check Engine Light comes on.

What does a code p0500 in OBD mean?

A code P0500 may mean that one or more of the following has happened: The Vehicle Speed Sensor (VSS) is not reading (functioning) properly There is a broken/frayed wire leading to the vehicle speed sensor The vehicle’s PCM is not correctly configured for the actual tire size on the vehicle

What is the OBD2 code for a Chevy?

OBDII Chevrolet Code Definitions. Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.

Can a low voltage cause an OBD1 code?

Low voltage can cause a lot of trouble with the troubleshooting and many error codes that we do not want. Put a jumper wire between PIN A and PIN B. Let the jumper wire sit there and turn the ignition to ON. Do not start the engine. The check engine light will begin to flash. Count the flashes.

Is there a pause between the codes on OBD1?

There will be a longer pause between the codes if you have several trouble codes and a shorter pause between the digits of the trouble codes. For example, code 16 = 1 flash * Pause * 6 flashes. When all trouble codes are outputted, it will flash the code 12 – 1 flash * Pause * 2 flashes.

What’s the OBD code for a Silverado 1500?

Hello- Yesterday I purchased a used 2002 Chevy Silverado 1500, 5.3L VIN T, 92000 miles 😀 . Not more than 2 hours after driving away from the dealership the “Service Engine Soon” lights up 😯 . Checked with a scanner to find only 1 code: P0332 Knock Sensor Low Input Bank 2. Am wondering 2005 2500HD 6.0 4×4.

What is an OBD-II trouble code on a car?

What is an OBD-II Trouble Code? On-Board-Diagnostic (OBD) trouble codes are one way your vehicle communicates with a mechanic. Every car built since 1996 has an OBD computer system that monitors and identifies issues. In particular, it looks for issues that may result in harmful and polluting emissions from exhaust gases.

What are the symptoms of a p0332 DTC?

You may notice drivability problems including fluctation engine RPM, a loss of power, and perhaps some hesitation. There may also be other symptoms. Potential causes for a P0332 DTC include (but are not limited to): The knock sensor is faulty and needs to be replaced There is a wiring open/short/fault in the knock sensor circuit