12703685 Genuine GM Engine Control Module For Silverado Sierra 5.3L 6.2L

12703685 Genuine GM Engine Control Module For Silverado Sierra 5.3L 6.2L

Name: 12703685 Genuine GM Engine Control Module For Silverado Sierra 5.3L 6.2L
Brand: GM
SKU: 12703685
Price: 428.00 USD
Availability: InStock

P/N: 12703685 Manufactured by: GM

$428.00 - $428.00

$428.00

$428.00 - $428.00

$428.00

2 in Stock

Condition: New

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Description

The 12703685 is a genuine GM Engine Control Module built for select 2019–2022 Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Suburban, GMC Yukon, and GMC Yukon XL vehicles equipped with 5.3L and 6.2L V8 gasoline engines. As the primary engine computer, it oversees key operating functions by interpreting sensor signals and coordinating ignition, fuel injection, throttle response, and emissions control to keep the powertrain operating as designed.

Vehicle Compatibility

Year	Vehicle	Engine	Trims
2022	Chevrolet Silverado 1500	5.3L V8 Gas, 6.2L V8 Gas	Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, WT, ZR2
2022	Chevrolet Silverado 1500 LTD	5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas	Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT
2022	Chevrolet Suburban	5.3L V8 Gas	Commercial, LS, LT, Premier, RST, Z71
2022	GMC Sierra 1500	5.3L V8 Gas, 6.2L V8 Gas	AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT
2022	GMC Sierra 1500 Limited	5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas	AT4, Denali, Elevation, Pro, SLE, SLT
2022	GMC Yukon	5.3L V8 Gas	AT4, SLE, SLT
2022	GMC Yukon XL	5.3L V8 Gas	AT4, SLE, SLT
2021	Chevrolet Silverado 1500	5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas	Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT
2021	Chevrolet Suburban	5.3L V8 Gas	Commercial, LS, LT, Premier, RST, Z71
2021	GMC Sierra 1500	5.3L V8 Gas, 6.2L V8 Gas	AT4, Base, Denali, Elevation, SLE, SLT
2021	GMC Yukon	5.3L V8 Gas	AT4, SLE, SLT
2021	GMC Yukon XL	5.3L V8 Gas	AT4, SLE, SLT
2020	Chevrolet Silverado 1500	5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas	Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT
2020	GMC Sierra 1500	5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas	AT4, Base, Denali, Elevation, SLE, SLT
2019	Chevrolet Silverado 1500	5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas	Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT
2019	GMC Sierra 1500	5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas	AT4, Base, Denali, Elevation, SLE, SLT

General Specifications

Condition	New
Part Number	12703685
Brand	GM
Part Type	Engine Control Module (ECM)
Years	2019–2022
Vehicle	Chevrolet Silverado 1500, Chevrolet Silverado 1500 LTD, Chevrolet Suburban, GMC Sierra 1500, GMC Sierra 1500 Limited, GMC Yukon, GMC Yukon XL
Engine Compatibility	5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas
Fitment Type	Direct Replacement

Product Features

The 12703685 Engine Control Module is built to match factory performance and installation requirements:

Continuously analyzes engine sensor information to regulate fuel delivery and ignition events
Coordinates communication between the powertrain and factory electronic control systems
Designed with original connector locations and housing dimensions for proper installation
Supports the factory operating strategy for compatible 5.3L and 6.2L gasoline V8 engines
Manages engine performance and emissions functions through integrated electronic control logic
Manufactured to GM engineering specifications for dependable operation in factory engine management systems

Application Notes

The 12703685 is intended for vehicles equipped with the original GM electronic engine management system specified for the listed applications. Certain vehicles may require programming or vehicle-specific calibration after installation to ensure full communication with onboard control modules.

Always confirm the part number, VIN, engine configuration, and calibration requirements before installing the module.