4.2L LL8 Swap 4200 Inline 6 2002-2005 P10 Engine Computer PCM Trailblazer VATS

4.2L LL8 Swap 4200 2007-2009 E67 Engine Computer PCM Trailblazer VATS turbo

✅ VIN PROGRAMMED 06 GMC Envoy 4.2L Engine Computer 12597521 Module ECM PCM

2006 GMC ENVOY TRAILBLAZER 4.2L ENGINE ELECTRONIC CONTROL MODULE 12606398 YNB

2006 06 GMC Envoy XL Trailblazer 4.2L GM Engine Control Module ECM OEM 12597521

4.2L LL8 Swap 4200 Inline 6 2002-2005 P10 Engine Computer PCM Trailblazer VATS

LS Swap VATS Deleted 12576106 Blue/Green PCM 03-07 6.0 LQ9 4L60E ECM PCM ECU

LS Swap 4.8 5.3 6.0 Standalone PCM 0411 Red/Blue computer - Ready to run No VATS