The optional Launch X431 “X-PROG” or “X-PROG3” is required for compatibility when the unit is related to the immobilizer. What’s the difference between XRPGOG and XPROG3?
| Item | Launch X431 X-PROG | Launch X431 X-PROG3 |
| Read/Write EEPROM | No | Yes |
| Read/Write MCU | No | Yes |
| Mercedes Benz Keys | No | Yes |
| Key simulator | No | Yes |
| VW 4th IMMO Dump Mode All Keys Lost | No | Yes |
| Read engine in Bench mode | No | Yes |
| VW 4th IMMO enumeration all keys lost | No | Yes |
| Read gearbox data | No | Yes |
| Read and write keys | Yes | Yes |
| Read BMW engine ISN code | No | Yes |
| Replace OBD reading component | Yes | Yes |
| Read & Write BMW CAS4+ and FEM chips | No | Yes |
| Read engine in Boot mode | No | Yes |
| Read & Write Audi 5th generation steering column chips | No | Yes |
| Specification | ||
| Interface | DB15 | DB15,DB26 |
| Input Power | DC12V | DC12V |
| Working current Max | 200mA | 500mA |
| Power consumption | 2W | 5W |
| Storage Temperature | -20℃-70℃ | -20℃-70℃ |
| Working Temperature | -10-50 0℃ | 0-50℃ |
| Size | 142 x72 (mm) | 228 x120 (mm) |
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