TPMS Tool Comparison Autel TS501 vs TS508 vs TS508k vs TS501k

Autel Maxitpms TS508k and Autel TS501k is the combination of the machine and the sensor.
Such as, Autel Maxitpms TS508k is TS508 + 8PCS 433MHz Sensors (315MHz Sensors);
Autel TS501k is TS508 + 8PCS 433MHz Sensors (315MHz Sensors).
So the difference between autel ts501k and ts508k just equal autel ts501 vs ts508.

  Comparison TS508 TS501
TPMS function Quick Mode & Advance Mode  
Activate TPMS sensors
Read sensor data
TPMS diagnose, one step for complete TPMS health check
Read/clear TPMS DTCs;on-screen DTC description
Scan TPMS sensor ID and copy ID into MX-Sensor
Manual input OE ID into MX-sensor
Program MX-Sensor by auto creating sensor ID
Read Sensor ID by OBD and copy ID into MX-Sensor
Relearn by OBD function
Relearn procedure guide on the tool
Check Key FOB
TPMS Toolkit - special TPMS functions    
Tool features Built-in rechargeable li-ion battery
Strong housing with protective rubber boot
Print TPMS sensor data via PC
Internet updatable USB SD card
Multilingual support
Historical test records
Software Update free free
Limited one year warranty