PROGRAMMED 03-06 Chevrolet GMC Cadillac Engine Control Computer Module ECM ECU OEM 12589463

Factory OEM direct-replacement automotive electronics component.

• Part number: 12589463
• Compatible OEM/interchange number(s): 12589162
• Programming: Programming is included as stated in the source listing; vehicle or VIN details may be required.

Fitment and compatibility: Fits: AVALANCHE 1500 03 Electronic Control Module; (LH front under battery) AVALANCHE 1500 04 Electronic Control Module; (LH front under battery), ID 12602802 AVALANCHE 1500 05-06 Electronic Control Module; (LH front under battery) ENVOY XL 03 Electronic Control Module; 5.3L (next to air box) ESCALADE 03 Electronic Control Module; (LH front under battery), PCM ESCALADE 04 Electronic Control Module; (LH front under battery), ID 12602802 ESCALADE 05-06 Electronic Control Module; (LH front under battery) ESCALADE ESV 03 Electronic Control Module; (LH front under battery), PCM ESCALADE ESV 04 Electronic Control Module; (LH front under battery), ID 12602802 ESCALADE ESV 05-06 Electronic Control Module; (LH front under battery) ESCALADE EXT 03 Electronic Control Module; (LH front under battery), PCM ESCALADE EXT 04 Electronic Control Module; (LH front under battery), ID 12602802 ESCALADE EXT 05-06 Electronic Control Module; (LH front under battery) HUMMER H2 03 Electronic Control Module; (LH front under battery) HUMMER H2 04 Electronic Control Module; (LH front under battery), SUV HUMMER H2 05-06 Electronic Control Module; (LH front under battery) HUMMER H2 07 Electronic Control Module; (LH front under battery), powertrain control ISUZU ASCENDER 03 Electronic Control Module; (LH engine), 5.3L SIERRA 1500 PICKUP 03 Electronic Control Module; (LH front under battery), w/o 4.3L SIERRA 1500 PICKUP 04 Electronic Control Module; (LH front under battery), w/o hybrid option; w/o 4.3L; ID 12602802 SIERRA 1500 PICKUP 05-06 Electronic Control Module; (LH front under battery), w/o hybrid option; w/o 4.3L SIERRA 1500 PICKUP 07 Electronic Control Module; classic style (creased door skin), (LH front under battery), w/o hybrid option; w/o 4.3L SIERRA 2500 PICKUP 03 Electronic Control Module; (LH front under battery), gasoline, 6.0L SIERRA 2500 PICKUP 04 Electronic Control Module; (LH front under battery), gasoline, 6.0L, ID 12602802 SIERRA 2500 PICKUP 05-06 Electronic Control Module; (LH front under battery), gasoline, 6.0L SIERRA 2500 PICKUP 07 Electronic Control Module; classic style (creased door skin), (LH front under battery), gasoline, 6.0L SIERRA 3500 PICKUP 03 Electronic Control Module; (LH front under battery), gasoline, 6.0L SIERRA 3500 PICKUP 04 Electronic Control Module; (LH front under battery), gasoline, 6.0L, ID 12602802 SIERRA 3500 PICKUP 05-06 Electronic Control Module; (LH front under battery), gasoline, 6.0L SIERRA 3500 PICKUP 07 Electronic Control Module; classic style (creased door skin), (LH front under battery), gasoline, 6.0L SIERRA DENALI 03 Electronic Control Module; (LH front under battery) SIERRA DENALI 04 Electronic Control Module; (LH front under battery), ID 12602802 SIERRA DENALI 05-06 Electronic Control Module; (LH front under battery) SIERRA DENALI 07 Electronic Control Module; classic style (creased door skin), (LH front under battery) SILVERADO 1500 PICKUP 03 Electronic Control Module; (LH front under battery), w/o 4.3L SILVERADO 1500 PICKUP 04 Electronic Control Module; (LH front under battery), w/o hybrid option; w/o 4.3L; ID 12602802 SILVERADO 1500 PICKUP 05-06 Electronic Control Module; (LH front under battery), w/o hybrid option; w/o 4.3L SILVERADO 1500 PICKUP 07 Electronic Control Module; classic style (creased door skin), (LH front under battery), w/o hybrid option; w/o 4.3L SILVERADO 2500 PICKUP 03 Electronic Control Module; (LH front under battery), gasoline, 6.0L SILVERADO 2500 PICKUP 04 Electronic Control Module; (LH front under battery), gasoline, 6.0L, ID 12602802 SILVERADO 2500 PICKUP 05-06 Electronic Control Module; (LH front under battery), gasoline, 6.0L SILVERADO 2500 PICKUP 07 Electronic Control Module; classic style (creased door skin), (LH front under battery), gasoline, 6.0L SILVERADO 3500 PICKUP 03 Electronic Control Module; (LH front under battery), gasoline, 6.0L SILVERADO 3500 PICKUP 04 Electronic Control Module; (LH front under battery), gasoline, 6.0L, ID 12602802 SILVERADO 3500 PICKUP 05-06 Electronic Control Module; (LH front under battery), gasoline, 6.0L SILVERADO 3500 PICKUP 07 Electronic Control Module; classic style (creased door skin), (LH front under battery), gasoline, 6.0L SSR 03 Electronic Control Module; (next to air box) SUBURBAN 1500 03 Electronic Control Module; (LH front under battery) SUBURBAN 1500 04 Electronic Control Module; (LH front under battery), ID 12602802 SUBURBAN 1500 05-06 Electronic Control Module; (LH front under battery) SUBURBAN 2500 03 Electronic Control Module; (LH front under battery), 6.0L SUBURBAN 2500 04 Electronic Control Module; (LH front under battery), 6.0L, ID 12602802 SUBURBAN 2500 05-06 Electronic Control Module; (LH front under battery), 6.0L TAHOE 03 Electronic Control Module; (LH front under battery) TAHOE 04 Electronic Control Module; (LH front under battery), ID 12602802 TAHOE 05-06 Electronic Control Module; (LH front under battery) TRAILBLAZER EXT 03 Electronic Control Module; 5.3L (next to air box) YUKON 03 Electronic Control Module; (LH front under battery) YUKON 04 Electronic Control Module; (LH front under battery), ID 12602802 YUKON 05-06 Electronic Control Module; (LH front under battery) YUKON XL 1500 03 Electronic Control Module; (LH front under battery) YUKON XL 1500 04 Electronic Control Module; (LH front under battery), ID 12602802 YUKON XL 1500 05-06 Electronic Control Module; (LH front under battery) YUKON XL 2500 03 Electronic Control Module; (LH front under battery), 6.0L YUKON XL 2500 04 Electronic Control Module; (LH front under battery), 6.0L, ID 12602802 YUKON XL 2500 05-06 Electronic Control Module; (LH front under battery), 6.0L GM 89017750 ID: 12582605 ID: 12589463 ID: 12602802 ID: 89017734 ID: 89017750

Match the part number, compatible numbers, connector layout, controls, equipment package, and vehicle options to the original component before purchase. Similar-looking units may use the same plugs while requiring different equipment or programming.

Please review every photo for connector layout, included components, and cosmetic condition.