MotoLogic K20 Programming Manual
1/2/2021 K20 Engine Control Module: Programming and Setup (LCV or LFX) • 2015 GMC Truck Canyon Pickup - 4WD • MotoLogic
https://www.motologic.com/car/2015_gmc_truck_canyon_pickup_4wd_100302883/article/2015_gmc_truck_canyon_pickup_4wd_100302883_28384b
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K20 Engine Control Module: Programming and Setup
(LCV or LFX)
Special Tools
EL-49642 SPS Programming Support Tool
For equivalent regional tools, refer to Special Tools.
Note:
DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the control module is not
properly configured with the correct calibration software, the control module will not control all of the vehicle features properly.
Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector (DLC). If
there is an interruption during programming, programming failure or control module damage may occur.
Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt
programming. When required install the EL-49642 SPS Programming Support Tool to maintain system voltage. If not available,
connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger.
Turn OFF or disable systems that may put a load on the vehicles battery such as; interior lights, exterior lights (including daytime
running lights), HVAC, radio, etc.
During the programming procedure, follow the SPS prompts for the correct ignition switch position.
Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status
indicators to NO.
Note the engine oil life remaining percentage.
If over 14k GVW, program the engine serial number with the scan tool.
Replace and Program Control Module
To program a replacement K20 Engine Control Module (ECM), perform the following procedure:
1. Install EL-49642 SPS programming support tool.
2. Access the Service Programming System (SPS) and follow the on-screen instructions.
3. Before removing the old control module, perform the SPS function Prepare Control Module for Removal, if available.
Note: The Prepare Control Module for Removal function can only be performed when communication with the old control module
is still possible.
4. Replace the ECM.
5. Perform one of the following SPS Programming functions:
Note: If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.
K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
K20 Engine Control Module and follow on-screen instructions.
Clear the DTCs after completing the Programming procedure.
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1/2/2021 K20 Engine Control Module: Programming and Setup (LCV or LFX) • 2015 GMC Truck Canyon Pickup - 4WD • MotoLogic
https://www.motologic.com/car/2015_gmc_truck_canyon_pickup_4wd_100302883/article/2015_gmc_truck_canyon_pickup_4wd_100302883_28384b
…
If equipped, perform the SPS function Immobilizer Learn and follow the on-screen instructions. Refer to Immobilizer System
Component Programming.
Perform the following SPS function:
1. Setup
Note: If both controller options below are listed, select K20 Engine Control Module.
K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
K20 Engine Control Module and follow on-screen instructions.
Configuration — If applicable
If equipped, perform the Fuel Pressure Regulator Learn via GDS2, Engine Control Module, Configuration/Reset Functions, Learn
Functions.
Clear DTCs.
Reprogram Control Module
To reprogram an existing K20 Engine Control Module, perform the following procedure:
1. Install EL-49642 SPS programming support tool.
2. Access the Service Programming System (SPS) and follow the on-screen instructions.
3. Perform one of the following SPS Programming functions:
Note: If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.
K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
K20 Engine Control Module and follow on-screen instructions.
Clear DTCs after completing the Programming procedure.
Note: If vehicle fails to start during Configuration and Setup, perform the SPS Function Immobilizer Learn and follow the on-screen
instructions.
Perform the following SPS function:
1. Setup
Note: If both controller options below are listed, select K20 Engine Control Module.
K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
K20 Engine Control Module and follow on-screen instructions.
Configuration — If applicable
If equipped, perform the Fuel Pressure Regulator Learn via GDS2, Engine Control Module, Configuration/Reset Functions, Learn
Functions.
Clear DTCs.
Unsuccessful Programming Recovery
If programming a control module is not successful, perform the following procedure:
1. Verify the control module, data link connector and programming tool connections are secure and the tool software is up to date.
2. Ignition » On / Vehicle » In Service Mode
3. Perform one of the following SPS Programming functions:
Note: If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.
K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
K20 Engine Control Module and follow on-screen instructions.
Verify the control module programming is successful.
⇒ If the programming is not successful
1. Ignition/Vehicle » Off — For greater than 1 min
2. Ignition » On / Vehicle » In Service Mode
3. Perform one of the following SPS Programming functions:
Note: If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.
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