Buick Encore Owners & Service Manuals

Buick Encore: Inflatable restraint sensing and diagnostic module programming and Setup

Buick Encore 2012-2019 Service Manual / General Information & Maintenance / Programming and Setup - All ASystems / Inflatable restraint sensing and diagnostic module programming and Setup

The inflatable restraint sensing and diagnostic module (SDM) must be programmed with the proper calibration software. The module stores and utilizes this information however if it is not properly configured with the correct calibration software, the SDM will not control all of the vehicle features properly.

Ensure that the following conditions exist in order to prepare for SDM programming:

  1. The battery is fully charged.
  2. The MDI data link connectors are secure.
  3. The scan tool is loaded with the most current software version.
  4. All disconnected modules and devices are reconnected securely.
  5. This entire procedure has been reviewed before proceeding.

Do not reprogram the SDM unless directed by a service procedure or a service bulletin.

NOTE:

  • The air bag indicator light may remain ON after the body control module (BCM), or SDM is replaced, and during the programming procedure for the BCM until after the procedure is completed. When installing a new SDM, there may be several DTCs set prior to programming. Once programmed, these DTCs should be in history and can be cleared.
  • Failure to complete the following Setup procedure may cause DTC B1001 to be set in the SDM.

The following service procedures require either a programming or a setup event performed for a complete repair:

Sensing and Diagnostic Module Replacement and/or Programming

If the inflatable restraint sensing and diagnostic module needs to be replaced and/or reprogrammed, the following procedures must be performed:

  1. Access SPS. Refer to Service Programming System (SPS).
  2. Perform the SPS function Inflatable Restraint Sensing and Diagnostic Module Programming and follow the on-screen instructions.
  3. Perform the SPS function Inflatable Restraint Sensing and Diagnostic Module Setup and follow the onscreen instructions.
  4. Clear DTCs after completing the programming procedure.

If the control module fails to program, proceed as follows:

  1. Ensure the DLC and Accessory Power Module connections are good.
  2. Inspect the Techline equipment for the latest software version.
  3.  Attempt to program the SDM. If the SDM still cannot be programmed properly, replace the SDM.

INSTRUMENT CLUSTER PROGRAMMING AND SETUP

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 ECU is not properly configured with the correct calibration software, the ECU 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. If there is an interruption during programming, programming failure or ECU damage may occur.

    Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. 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.

Replace and Program ECU or Reprogram ECU

To program a replacement or an existing ECU, 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.  On the SPS Supported Controllers screen, select Instrument Cluster - Programming and follow the onscreen instructions.
  4. On the SPS Supported Controllers screen, select Instrument Cluster - Configuration and follow the onscreen instructions.
  5. On the SPS Supported Controllers screen, select Instrument Cluster - Setup and follow the on-screen instructions.
  6. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.

Unsuccessful Programming Recovery

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

  1. DO NOT turn the ignition OFF. Ensure that all ECU, DLC and programming tool connections are secure and the TIS terminal operating software is up to date.
  2. Attempt to reprogram the ECU.
  3. If the ECU can still not be programmed, turn the ignition OFF for at least one minute.
  4. Turn the ignition ON and attempt to reprogram the ECU. The ECU should program.
  • If the ECU still cannot be programmed, replace the ECU.

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