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 | √ | √ |