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Home >> Cadillac >> 2024 >> CT5 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Programming And Setup - All Systems) >> Repair Instructions >> B218L Side Obstacle Detection Control Module - Left: Programming and Setup >> Replace and Program ECU or Reprogram ECU

Replace and Program ECU or Reprogram ECU

WARNING: This page is about a different car, the 2023 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.

To program a replacement or an existing ECU, perform the following procedure:

NOTE:
  • Due to continuous improvements, the on screen selections may vary from instructions below.
  • It is recommended to program both the left and right (if programmable) when a programming event is required.
  • Some systems only have one programmable Side Object Sensor Module.
  1. Ignition/Vehicle OFF
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. On the SPS Supported Controllers screen, select B218 Side Object Sensor Module then select B218R Right Side Object Sensor Module or B218L Left Side Object Detection.
  4. On the SPS Select Function/Sequence screen, select Sequential Programming or Programming
  5. Clear DTCs.
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