Used Engine Computer (ECM) — GMC Sierra 1500
Choose the version that matches your vehicle (year, side and options). Not sure? Compare the OEM number on your part.
Engine Computer (ECM) Chevrolet Silverado 1500 2025-2026 (+7 more)
Electronic Control Module; (LH front engine compartment), naturally aspirated · Electronic Control Module; (LH front engine compartment), 5.3L · Electronic Control Module; (LH front engine compartment), 6.2L
OEM : 12738032, 12740716, 12740717
Engine Computer (ECM) Chevrolet Silverado 1500 2025-2026 (+6 more)
Electronic Control Module; (LH front engine compartment), 3.0L
OEM : 12735797, 12738194
Engine Computer (ECM) Chevrolet Silverado 1500 2022-2026 (+7 more)
Electronic Control Module; (RH firewall) · Electronic Engine Module; 2.0L · Electronic Engine Module; 2.7L
OEM : 12718010, 12725415
Engine Computer (ECM) Chevrolet Silverado 1500 2023-2024 (+2 more)
Electronic Control Module; (LH front engine compartment), 3.0L · Electronic Control Module; (LH front engine compartment), diesel
OEM : 12733908
Engine Computer (ECM) Cadillac Escalade 2021-2024 (+8 more)
Electronic Control Module; (LH front engine compartment), 6.2L · Electronic Control Module; (LH front engine compartment), 6.2L, naturally aspirated · Electronic Control Module; (LH front engine compartment), 5.3L
OEM : 12703518, 12711353, 12719704
Engine Computer (ECM) Cadillac Escalade 2021-2024 (+8 more)
Electronic Control Module; (LH front engine compartment), 3.0L · Electronic Control Module; (LH front engine compartment), 3.0L, new style (VIN H or U, 5th digit) · Electronic Control Module; (LH front engine compartment), diesel, new style
OEM : 12723949, 24001956
Engine Computer (ECM) Buick Encore GX 2020-2023 (+8 more)
Electronic Engine Module; 2.0L · Electronic Engine Module; (LH engine compartment), 2.0L · Electronic Control Module; 2.0L
OEM : 12726508
Engine Computer (ECM) Chevrolet Silverado 1500 2020-2022 (+4 more)
Diesel Control; (beside 12v battery), (glow plug control) · Diesel Control; (RH cylinder head), (glow plug control)
OEM : 12687698
Engine Computer (ECM) Chevrolet Silverado 1500 2020-2022 (+2 more)
Electronic Control Module; (LH front engine compartment), 3.0L · Electronic Control Module; (LH front engine compartment), 3.0L, classic style (VIN 8 or 9, 5th digit) · Electronic Control Module; (LH front engine compartment), diesel
OEM : 24000211
Engine Computer (ECM) Chevrolet Express 2500 Van 2021-2023 (+12 more)
Electronic Control Module; (LH rear engine compartment), 4.3L · Electronic Control Module; (LH rear engine compartment), 6.6L · Electronic Control Module; (LH rear engine compartment)
OEM : 12692986, 12701222, 12703686, 12711867
Engine Computer (ECM) Chevrolet Silverado 1500 2019-2021 (+2 more)
new style (mirrors mount on door skin), (Electronic Control Module), (LH front engine compartment), 5.3L · new style (mirrors mount on door skin), (Electronic Control Module), (LH front engine compartment), 6.2L · Electronic Control Module; (LH front engine compartment), 5.3L
OEM : 12690388, 12703685, 12705110, 12711852…
Engine Computer (ECM) Chevrolet Silverado 1500 2019-2020 (+3 more)
2.0L · new style (mirrors mount on door skin), (Electronic Control Module), (LH front engine compartment), 2.7L · Electronic Control Module; (LH front engine compartment), 2.7L
OEM : 12689093
Engine Computer (ECM) Cadillac CT5 2022-2024 (+16 more)
Electronic Control Module; (LH engine compartment), 3.6L, VIN Y (8th digit, opt LF4) · 6.2L · Electronic Control Module; 6.2L
OEM : 12686430, 12692070, 12703872
Engine Computer (ECM) Chevrolet Corvette 2018-2019 (+14 more)
Electronic Control Module; (RH cowl under dash) · Electronic Control Module; (RH cowl under dash), VIN 6 (8th digit, opt LT4) · Electronic Control Module; (RH cowl under dash), VIN 7 (8th digit, opt LT1)
OEM : 12680656, 12686027, 12686383, 12688528…
Engine Computer (ECM) Buick Lacrosse 2018-2019 (+3 more)
Hybrid-Electric; (hybrid battery mounted), (hybrid powertrain control module)
OEM : 24284924
Engine Computer (ECM) Chevrolet Silverado 1500 2016-2018 (+12 more)
Electronic Control Module; (LH engine compartment), 3.6L, VIN Y (8th digit, opt LF4) · Electronic Control Module; (RH cowl under dash) · Electronic Control Module; 3.6L, VIN 8 (8th digit, opt LF3, twin turbo)
OEM : 12674052, 12674472, 12686382
Engine Computer (ECM) Buick Lacrosse 2017 (+3 more)
Electronic Control Module · Hybrid-Electric; (under high voltage battery), (hybrid powertrain control module)
OEM : 24279858
Engine Computer (ECM) Cadillac ATS 2014-2016 (+15 more)
Electronic Control Module; (LH engine compartment), ID 12656993 · Electronic Control Module; (LH engine compartment), 3.6L · Electronic Control Module; (LH engine compartment), 3.6L, VIN Y (8th digit, opt LF4)
OEM : 12656993, 12662034, 12669318, 12672537…
Engine Computer (ECM) Chevrolet Caprice 2011-2017 (+27 more)
Electronic Control Module; (LH front engine compartment), ID 12633238 · Electronic Control Module; (LH front engine compartment) · Electronic Control Module; 6.2L
OEM : 12633055, 12633238
Engine Computer (ECM) Cadillac Escalade 2010-2013 (+4 more)
Electronic Control Module; (LH front engine compartment), 6.0L (Hybrid) · Electronic Control Module; (LH front engine compartment), 6.0L · Electronic Control Module; (LH front engine compartment), w/hybrid option (opt M99)
OEM : 12624927
Engine Computer (ECM) Chevrolet Express 1500 Van 2010-2014 (+3 more)
Electronic Control Module; (LH rear engine compartment), 4.3L · Electronic Control Module; (LH front engine compartment), 4.3L
OEM : 12635043
Engine Computer (ECM) Cadillac Escalade 2010-2013 (+4 more)
Hybrid-Electric; (RH rear engine compartment), (drive motor control)
OEM : 12645548, 12594086, 12636012, 24243417…
Engine Computer (ECM) Cadillac Escalade 2009 (+4 more)
Hybrid-Electric; (RH rear engine compartment), (drive motor control)
OEM : 12647259, 24251562, 12594086, 12612230…
Engine Computer (ECM) Cadillac Escalade 2009-2010 (+29 more)
Electronic Control Module; (LH front engine compartment) · Electronic Control Module; (LH front engine compartment), ID 12625455 · Electronic Control Module; (RH engine compartment), Base
OEM : 12625455, 12629009
Engine Computer (ECM) Cadillac Escalade 2009 (+4 more)
Electronic Control Module; (LH front engine compartment), 6.0L (Hybrid) · Electronic Control Module; (LH front engine compartment), w/hybrid option (opt HP2) · Electronic Control Module; (LH front under battery), w/hybrid option (opt M99)
OEM : 12611182, 12629278
Engine Computer (ECM) Chevrolet Malibu 2007-2012 (+14 more)
Electronic Control Module; (RH firewall), 2.4L, w/o hybrid · Electronic Control Module; (LH front engine compartment), 2.2L (VIN F, 8th digit, 4-134) · Electronic Control Module; (LH front engine compartment), 2.4L (VIN B, 8th digit, 4-146)
OEM : 12612397, 216140, 12594750, 12597125…
Engine Computer (ECM) Chevrolet Caprice 2011 (+33 more)
Electronic Control Module; (RH firewall), 3.5L · Electronic Control Module; (LH front under battery) · Electronic Control Module; ID 12612384
OEM : 12612384, 12622141
Engine Computer (ECM) Pontiac G8 2008 (+26 more)
Electronic Control Module; (RH firewall), 3.5L · Electronic Control Module; (LH front under battery) · Electronic Control Module; (RH engine compartment)
OEM : 19210738, 12589297, 12597121, 12603892
Engine Computer (ECM) Chevrolet Silverado 1500 2006-2007 (+17 more)
Throttle Control; (LH firewall) · Throttle Control; (classic style, creased door skin), (LH firewall)
OEM : 12590008
Engine Computer (ECM) Chevrolet Express 1500 Van 2005-2007 (+18 more)
Electronic Control Module; (LH front by battery) · Electronic Control Module; (LH front under battery) · Electronic Control Module; (RH front engine compartment)
OEM : 12589462, 12602801, 89017749
Engine Computer (ECM) Chevrolet Silverado 1500 2004-2007 (+1 more)
Hybrid-Electric; (RH rear engine compartment), (drive motor control)
OEM : 12601238, 89046973
Engine Computer (ECM) Chevrolet Silverado 1500 2004-2007 (+1 more)
Electronic Control Module; (LH front under battery), w/hybrid option (opt HP2), on PCM cover (interface) · Electronic Control Module; classic style (creased door skin), (LH front under battery), w/hybrid option (opt HP2), on PCM cover (interface)
OEM : 12583561, 12603604, 12603605, 19117214
Engine Computer (ECM) Chevrolet Silverado 1500 2004-2007 (+1 more)
Electronic Control Module; (LH front under battery), w/hybrid option (opt HP2), below PCM cover · Electronic Control Module; classic style (creased door skin), (LH front under battery), w/hybrid option (opt HP2), below PCM cover
OEM : 12583560, 19117215
Engine Computer (ECM) Chevrolet Silverado 1500 2003-2007 (+21 more)
Electronic Control Module; (LH front under battery) · Electronic Control Module; (LH front under battery), ID 12602802 · Electronic Control Module; 5.3L (next to air box)
OEM : 12582605, 12589463, 12602802, 89017734…
Engine Computer (ECM) Hummer H2 2003-2007 (+18 more)
Throttle Control; (LH firewall)
OEM : 12573059, 12588923
Engine Computer (ECM) Cadillac CTS 2004-2005 (+26 more)
Electronic Control Module; (LH front by battery) · Electronic Control Module; (LH front under battery) · Electronic Control Module; (RH front engine compartment)
OEM : 12586243, 89017739
Engine Computer (ECM) Buick Rainier 2004 (+23 more)
Electronic Control Module; (LH front under battery), ID 12586242 · Electronic Control Module; 5.3L (next to air box), ID YFKD · Electronic Control Module; 5.3L (next to air box), ID YFKF
OEM : 12586242, 19299226, 89017738
Engine Computer (ECM) Cadillac CTS 2004 (+20 more)
Electronic Control Module; (LH front by battery) · Electronic Control Module; (LH front under battery) · Electronic Control Module; (RH front engine compartment)
OEM : 8125815650, 12570557, 12570558, 12576106…
Engine Computer (ECM) Chevrolet Corvette 2001-2003 (+32 more)
Electronic Control Module; (LH front by battery), ID 12200411 · Electronic Control Module; (LH front by battery) · Electronic Control Module; (LH front under battery)
OEM : 12200411, 12201281, 12576160, 52369718
Engine Computer (ECM) Cadillac Escalade 2002 (+22 more)
Throttle Control; (LH firewall) · Throttle Control; (LH side of firewall)
OEM : 12571991, 12574221, 19245406, 19245407…
Engine Computer (ECM) Chevrolet Express 1500 Van 1999-2002 (+25 more)
Electronic Control Module; (LH front by battery), (4.3L), ID 16263494 · Electronic Control Module; (LH front by battery), ID 16263494 · Electronic Control Module; (RH front engine compartment), w/build date opt ZN4
OEM : 8162634940, 16263494, 16265035
Engine Computer (ECM) Chevrolet Camaro 1999-2002 (+12 more)
Electronic Control Module; (behind RH strut tower), (5.7L) · Electronic Control Module; (behind RH strut tower), 5.7L · Electronic Control Module; (behind RH strut tower), 5.7L, ID 9354896
OEM : 09354896, 9354896
