2013-14 Duramax 6.6L LML ECM 12654088

2011–2016 Chevrolet/GMC 6.6L Duramax Diesel ECM

This listing is for a professionally remanufactured Engine Control Module (ECM) for select 2011–2016 Chevrolet and GMC vehicles equipped with the 6.6L LML Duramax diesel engine.

Compatible Vehicles

• Chevrolet Silverado 2500HD and 3500HD

• GMC Sierra 2500HD and 3500HD

• 2011–2016 6.6L LML Duramax diesel applications

Important Ordering Information

Please provide your vehicle’s complete 17-digit VIN and the part number from your original ECM after purchasing. Compatibility is based on the original part number, vehicle configuration, and VIN—not the model year alone.

Additional programming, setup, or security relearn procedures may be required after installation. Professional installation is recommended.

What You Receive

• Professionally remanufactured replacement ECM

• Inspected and tested for proper operation

• Warranty included

• Fast shipping available

Please contact ACS before purchasing if you are unsure whether this ECM is compatible with your vehicle.