03-06 TAHOE SIERRA ECU ECM PCM ENGINE MODULE COMPUTER 12589463 12589162 HAS COM GM ABS VIDEO Cooling Relay

Cooling Relay

**NOTE: One lid latch is chipped off but the other should hold the lid on tightly

If your vehicle has PATS and is not programmed you will get a "no start"

05010410AB

68026713AC

03-06 TAHOE SIERRA ECU ECM PCM ENGINE MODULE COMPUTER 12589463 12589162 HAS COM GM ABS VIDEO Cooling RelayPart Number 12589162 You must match these exactly! Hardware No: 12589162 Service No: 12589463 Tech Notes ECU tested and does have communication and a properly functioning processor! All 8 injectors tested good, IA heater relay tested, FICM relay control, EGR function, Fuel pressure regulator and more!! Fitment Interchange You must match your part number exactly as seen above. If any numbers are off compared to your original it will not work properly.