Item description for 03-06 Chevrolet Tahoe Engine Control Unit ECU 12589463 Module 830-19C3

For Reference only!

AVALANCHE 1500 03 Elec Cont Unit (ECU); (LH Fr under battery)

AVALANCHE 1500 04 Elec Cont Unit (ECU); (LH Fr under battery), ID 12602802

AVALANCHE 1500 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

ENVOY XL 03 Elec Cont Unit (ECU); 5.3L (next to air box)

ESCALADE 03 Elec Cont Unit (ECU); (LH Fr under battery), PCM

ESCALADE 04 Elec Cont Unit (ECU); (LH Fr under battery), ID 12602802

ESCALADE 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

ESCALADE ESV 03 Elec Cont Unit (ECU); (LH Fr under battery), PCM

ESCALADE ESV 04 Elec Cont Unit (ECU); (LH Fr under battery), ID 12602802

ESCALADE ESV 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

ESCALADE EXT 03 Elec Cont Unit (ECU); (LH Fr under battery), PCM

ESCALADE EXT 04 Elec Cont Unit (ECU); (LH Fr under battery), ID 12602802

ESCALADE EXT 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

HUMMER H2 03 Elec Cont Unit (ECU); (LH Fr under battery)

HUMMER H2 04 Elec Cont Unit (ECU); (LH Fr under battery), SUV

HUMMER H2 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

HUMMER H2 07 Elec Cont Unit (ECU); (LH Fr under battery), PCM

ISUZU ASCENDER 03 Elec Cont Unit (ECU); (LH eng), 5.3L

SIERRA 1500 PICKUP 03 Elec Cont Unit (ECU); (LH Fr under battery), w/o 4.3L

SIERRA 1500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), w/o hybrid; w/o 4.3L; ID 12602802

SIERRA 1500 PICKUP 05-06 Elec Cont Unit (ECU); (LH Fr under battery), w/o hybrid; w/o 4.3L

SIERRA 1500 PICKUP 07 Elec Cont Unit (ECU); classic style, (LH Fr under battery), w/o hybrid; w/o 4.3L

SIERRA 2500 PICKUP 03 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L

SIERRA 2500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L, ID 12602802

SIERRA 2500 PICKUP 05-06 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L

SIERRA 2500 PICKUP 07 Elec Cont Unit (ECU); classic style (creased Dr skin), (LH Fr under battery), gasoline, 6.0L

SIERRA 3500 PICKUP 03 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L

SIERRA 3500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L, ID 12602802

SIERRA 3500 PICKUP 05-06 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L

SIERRA 3500 PICKUP 07 Elec Cont Unit (ECU); classic style (creased Dr skin), (LH Fr under battery), gasoline, 6.0L

SIERRA DENALI 03 Elec Cont Unit (ECU); (LH Fr under battery)

SIERRA DENALI 04 Elec Cont Unit (ECU); (LH Fr under battery), ID 12602802

SIERRA DENALI 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

SIERRA DENALI 07 Elec Cont Unit (ECU); classic style (creased Dr skin), (LH Fr under battery)

SILVERADO 1500 PICKUP 03 Elec Cont Unit (ECU); (LH Fr under battery), w/o 4.3L

SILVERADO 1500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), w/o hybrid; w/o 4.3L; ID 12602802

SILVERADO 1500 PICKUP 05-06 Elec Cont Unit (ECU); (LH Fr under battery), w/o hybrid; w/o 4.3L

SILVERADO 1500 PICKUP 07 Elec Cont Unit (ECU); classic style, (LH Fr under battery), w/o hybrid; w/o 4.3L

SILVERADO 2500 PICKUP 03 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L

SILVERADO 2500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L, ID 12602802

SILVERADO 2500 PICKUP 05-06 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L

SILVERADO 2500 PICKUP 07 Elec Cont Unit (ECU); classic style (creased Dr skin), (LH Fr under battery), gasoline, 6.0L

SILVERADO 3500 PICKUP 03 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L

SILVERADO 3500 PICKUP 04 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L, ID 12602802

SILVERADO 3500 PICKUP 05-06 Elec Cont Unit (ECU); (LH Fr under battery), gasoline, 6.0L

SILVERADO 3500 PICKUP 07 Elec Cont Unit (ECU); classic style (creased Dr skin), (LH Fr under battery), gasoline, 6.0L

SSR 03 Elec Cont Unit (ECU); (next to air box)

SUBURBAN 1500 03 Elec Cont Unit (ECU); (LH Fr under battery)

SUBURBAN 1500 04 Elec Cont Unit (ECU); (LH Fr under battery), ID 12602802

SUBURBAN 1500 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

SUBURBAN 2500 03 Elec Cont Unit (ECU); (LH Fr under battery), 6.0L

SUBURBAN 2500 04 Elec Cont Unit (ECU); (LH Fr under battery), 6.0L, ID 12602802

SUBURBAN 2500 05-06 Elec Cont Unit (ECU); (LH Fr under battery), 6.0L

TAHOE 03 Elec Cont Unit (ECU); (LH Fr under battery)

TAHOE 04 Elec Cont Unit (ECU); (LH Fr under battery), ID 12602802

TAHOE 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

TRAILBLAZER EXT 03 Elec Cont Unit (ECU); 5.3L (next to air box)

YUKON 03 Elec Cont Unit (ECU); (LH Fr under battery)

YUKON 04 Elec Cont Unit (ECU); (LH Fr under battery), ID 12602802

YUKON 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

YUKON XL 1500 03 Elec Cont Unit (ECU); (LH Fr under battery)

YUKON XL 1500 04 Elec Cont Unit (ECU); (LH Fr under battery), ID 12602802

YUKON XL 1500 05-06 Elec Cont Unit (ECU); (LH Fr under battery)

YUKON XL 2500 03 Elec Cont Unit (ECU); (LH Fr under battery), 6.0L

YUKON XL 2500 04 Elec Cont Unit (ECU); (LH Fr under battery), 6.0L, ID 12602802

YUKON XL 2500 05-06 Elec Cont Unit (ECU); (LH Fr under battery), 6.0L

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.