What does code po502 mean?

What does code po502 mean?

The P0502 trouble code means that the Engine Control Module (ECM) has detected a different reading of speed between the vehicle speed sensor and the wheel speed sensors.

What is DTC code for vehicle speed sensor?

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 I know if my transmission speed sensor is bad?

The following signs will show you if your transmission speed sensor has failed.

1. Cruise Control Fails. The main function of the speed sensors is to monitor the output and input shaft speed.
2. Improper Or Harsh Shifting.
3. The Check Engine Light Indicates.

What is the p0502 code for the speed sensor low input?

P0502 is a diagnostic trouble code (DTC) for “Vehicle Speed Sensor Low Input”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.

When does the DTC p0502 code set on a Chevy?

If the Powertrain Control Module (PCM) detects a low vehicle speed when there is a high engine speed in a drive gear range, then DTC P0502 sets. | What are P0502 CHEVROLET code possible symptoms?

What does the p0502 VSS do on a Chevy Silverado?

P0502 CHEVROLET Description The Vehicle Speed Sensor (VSS) assembly provides vehicle speed information to the Powertrain Control Module (PCM). The VSS assembly is a Permanent Magnet (PM) generator. The PM generator produces a pulsing AC voltage as rotor teeth on the transmission output shaft pass through the sensor’s magnetic field.

How much does it cost to fix a p0502 code?

Most auto repair shops charge between $75 and $150 per hour. | When is the P0502 CHEVROLET code detected? If the Powertrain Control Module (PCM) detects a low vehicle speed when there is a high engine speed in a drive gear range, then DTC P0502 sets.