This is the main computer for your engine (Engine Control Unit or ECU). It is also called the Powertrain Control Module (PCM). IMPORTANT: This module must be programmed by a car dealer to make sure your car runs right and meets pollution rules.
Condition: Excellent (A)
Mileage: 120,520 miles
This is the main Engine Control Module (ECM). The ECM is the computer that controls how your engine runs. It fits vehicles with 1.2L, 1.5L, or 2.0L engines. IMPORTANT: This module may need to be reprogrammed by a mechanic before it will work in your vehicle.
Condition: Excellent (A)
Mileage: 3,040 miles
It is the main engine computer (also called the Engine Control Module or ECM). This module worked well when removed. It fits vehicles with 3.5L, 3.9L, and 6.0L engines. This part must be programmed by a dealership or qualified mechanic before it will work in your vehicle.
Condition: Excellent (A)
Mileage: 116,412 miles
It is an Engine Control Module (ECU). It fits vehicles with 1.3L, 2.0L, or 2.7L engines, and the classic (Limited) style. IMPORTANT: This module might need to be reprogrammed by a mechanic before it will work in your vehicle.
Condition: Excellent (A)
Mileage: 5,917 miles
It is the main computer for your engine (Engine Control Module). It fits vehicles with 1.3L or 2.0L engines. A mechanic may need to reprogram this module so it works correctly with your vehicle.
Condition: Excellent (A)
Mileage: 25,122 miles
This is a Powertrain Control Module (PCM). It is a programmable control module. This module must be programmed at a dealership to make sure the vehicle drives correctly and meets emission standards.
Condition: Excellent (A)
Mileage: 137,000 miles
It is an Engine Control Module (ECM), which is the main computer for your engine. This module must be programmed by a car dealer or certified mechanic after installation to make sure your car runs correctly.
Condition: Excellent (A)
Mileage: 126,523 miles
This engine motor control module has no damage. It is a programmable part that must be set up by a dealership to make sure your vehicle drives correctly and meets emission standards.
Condition: Excellent (A)
Mileage: 191,928 miles
This is an Engine Control Module (ECM) for vehicles with a 1.2L engine. This module may need to be set up by a mechanic before it works correctly in your vehicle.
Condition: Excellent (A)
Mileage: 4,660 miles
It is a programmable part that has no damage. You must have a dealership program this module to make sure your vehicle drives correctly and meets emission standards.
Condition: Excellent (A)
Mileage: 93,645 miles
This is a powertrain control module for a 4.2L engine with an automatic transmission. It is for a 4-door vehicle with rear-wheel drive. This part has no damage. This is a programmable module that must be programmed at a dealership to ensure the vehicle drives correctly and meets emission standards.
Condition: Excellent (A)
with Original Equipment (OE) # 12605843, 19210736 Important: Vehicle Specific Flash Programming Required ON the Vehicle
with Original Equipment (OE) # 12571178 Important: Vehicle Specific Flash Programming Required ON or OFF the Vehicle. Accurate VIN and Mileage are Required Important: Vehicle Specific On-Car Programming must be Performed AFTER Installation to Prevent Drivability and Starting Issues
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Browse our selection of quality engine control module (ecm) parts designed specifically for your Chevrolet Trailblazer. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit for your vehicle.
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