LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2019 >> Encore Base >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup >> Repair Instructions >> K56 Serial Data Gateway Module: Programming and Setup >> Unsuccessful Programming Recovery
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Unsuccessful Programming Recovery

In the event of an interrupted or unsuccessful programming event, perform the following steps:

  1. Ignition ON/Vehicle In Service Mode. Ensure the control module, DLC and programming tool connections are secure and the SPS software is up to date.
  2. Verify the control module can be reprogrammed.
    • If the control module cannot be reprogrammed 
    1. Ignition/Vehicle OFF for one minute, ignition ON/Vehicle In Service Mode.
    2. Verify the control module can be reprogrammed.
      • If the control module cannot be reprogrammed, replace the control module.
      • Go to next step: If the control module can be reprogrammed.
    3. All OK.
    • Go to next step: If the control module can be reprogrammed 
  3. All OK.