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- Mon Feb 10, 2025 10:31 pm
- Forum: General Motors
- Topic: OBDX pro - LS1 ADX
- Replies: 1
- Views: 21530
Re: OBDX pro - LS1 ADX
For LS1 engines, commonly found in 1997-2004 GM vehicles (Corvette, Camaro, Firebird, etc.), you need an ADX file compatible with your ECU type. The LS1 typically uses: PCM: P01 (1997-2000) or P59 (2001-2004) OBD2 Protocol: VPW (SAE J1850 VPW) Where to Find a Compatible ADX File TunerPro Website: Ch...