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12700911 Genuine GM Engine Control Module For Silverado Sierra 6.6L Diesel

P/N: 12700911 Manufactured by: GM
Original price $765.00 - Original price $765.00
Original price
$765.00
$765.00 - $765.00
Current price $765.00
1 in Stock
Condition: New
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Description

The 12700911 is a genuine GM engine control module specified for select Chevrolet Silverado HD and GMC Sierra HD trucks equipped with the 6.6L V8 diesel engine. It serves as a central electronic unit that interprets powertrain information and directs engine and emissions control operations through the vehicle's factory management system.

Vehicle Compatibility

Year Vehicle Engine Trims
2017 Chevrolet Silverado 2500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT
2017 Chevrolet Silverado 3500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT
2017 GMC Sierra 2500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT
2017 GMC Sierra 3500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT
2018 Chevrolet Silverado 2500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT
2018 Chevrolet Silverado 3500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT
2018 GMC Sierra 2500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT
2018 GMC Sierra 3500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT
2019 Chevrolet Silverado 2500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT
2019 Chevrolet Silverado 3500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT
2019 GMC Sierra 2500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT
2019 GMC Sierra 3500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT
2020 Chevrolet Silverado 2500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT
2020 Chevrolet Silverado 3500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT
2020 GMC Sierra 2500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT, AT4
2020 GMC Sierra 3500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT, AT4
2021 Chevrolet Silverado 2500 HD 6.6L V8 Diesel Custom, High Country, LT, LTZ, WT
2021 Chevrolet Silverado 3500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT
2021 GMC Sierra 2500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT, AT4
2021 GMC Sierra 3500 HD 6.6L V8 Diesel Base, Denali, SLE, SLT, AT4
2022 Chevrolet Silverado 3500 HD 6.6L V8 Diesel High Country, LT, LTZ, WT


General Specifications

Condition New
Part Number 12700911
Brand GM
Part Type Engine Control Module
Years 2017–2022
Vehicle Chevrolet Silverado 2500 HD, Silverado 3500 HD; GMC Sierra 2500 HD, Sierra 3500 HD
Engine Compatibility 6.6L V8 Diesel
Control System Engine Electronic Management
Emissions System Electronic Emission Control
Dimensions 3.0 × 13.2 × 12.6 in
Weight 4.45 lbs


Product Features

The 12700911 genuine GM engine control module incorporates the following functions for compatible heavy-duty diesel applications:

  • Receives electronic signals from engine sensors to monitor current operating conditions
  • Directs diesel engine control operations using the designated factory calibration data
  • Coordinates emissions-related commands through the vehicle's original electronic management architecture
  • Exchanges operating information with associated modules across the GM communication network
  • Provides electronic control for specified Chevrolet Silverado and GMC Sierra diesel trucks
  • Interprets changing engine conditions to determine appropriate powertrain management commands
  • Works with the original electronic configuration assigned to compatible 6.6L engines
  • Combines diesel engine monitoring and emissions management within one control unit

Application Notes

The 12700911 is intended for select Chevrolet Silverado 2500 HD and 3500 HD, along with GMC Sierra 2500 HD and 3500 HD trucks powered by the 6.6L V8 diesel engine. Installation involves confirming the correct factory ECM configuration and following GM service procedures for module programming, engine calibration, and any required electronic initialization.

Always verify the original ECM part number, engine control configuration, vehicle electronic compatibility, and necessary programming or calibration requirements before installation.

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