For Reference only!
ASTRO 04 Elec Cont Unit (ECU); (LH Fr by battery)
AVALANCHE 2500 04 Elec Cont Unit (ECU); (LH Fr under battery)
BLAZER S10/JIMMY S15 04 Elec Cont Unit (ECU); (RH Fr eng comp)
CHEVROLET VAN 04 Elec Cont Unit (ECU); (LH Rr eng comp)
CORVETTE 04 Elec Cont Unit (ECU); (RH eng comp), ID 12586243
CTS 04-05 Elec Cont Unit (ECU); (RH eng comp), V series, ID 12586243
ENVOY XL 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFKB
ENVOY XL 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFKY
ENVOY XL 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFPZ
ENVOY XL 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFYY
ENVOY XL 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YHRA
ENVOY XUV 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFKB
ENVOY XUV 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFKY
ENVOY XUV 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFPZ
ENVOY XUV 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFYY
ENVOY XUV 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YHRA
GMC VAN 04 Elec Cont Unit (ECU); (LH Rr eng comp)
GTO 04 Elec Cont Unit (ECU); main (LH eng)
RAINIER 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFKB
RAINIER 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFKY
RAINIER 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFPZ
RAINIER 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFYY
RAINIER 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YHRA
S10/S15/SONOMA 04 Elec Cont Unit (ECU); (RH Fr eng comp)
SAFARI (GMC) 04 Elec Cont Unit (ECU); (LH Fr by battery)
SIERRA 1500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), w/o hybrid; w/4.3L SIERRA 2500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 8.1L
SIERRA 3500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 8.1L SILVERADO 1500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), w/o hybrid; w/4.3L SILVERADO 2500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 8.1L SILVERADO 3500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 8.1L
SSR 04 Elec Cont Unit (ECU); (next to air box), ID YFKB
SSR 04 Elec Cont Unit (ECU); (next to air box), ID YFKY
SSR 04 Elec Cont Unit (ECU); (next to air box), ID YFPZ
SSR 04 Elec Cont Unit (ECU); (next to air box), ID YFYY
SSR 04 Elec Cont Unit (ECU); (next to air box), ID YHRA
SUBURBAN 2500 04 Elec Cont Unit (ECU); (LH Fr under battery), 8.1L
TRAILBLAZER EXT 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFKB
TRAILBLAZER EXT 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFKY
TRAILBLAZER EXT 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFPZ
TRAILBLAZER EXT 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YFYY
TRAILBLAZER EXT 04 Elec Cont Unit (ECU); 5.3L (next to air box), ID YHRA
YUKON XL 2500 04 Elec Cont Unit (ECU); (LH Fr under battery), 8.1L
Please make sure to match the Part Number of the item with the one you have.
All Modules have to be reprogrammed/repaired. We do not provide reprogramming/repair service.
We are also not responsible for any kind of labor cost or reprogramming cost. In case of a return, Buyer will only be covered for the item price.
This ECM is a core, recommended to be repaired/re-manufactured before installation. ECM appears to be in good condition but has not been tested.
Please review all photos and the part number as this is the exact unit you will receive.
