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Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Programming And Setup) >> Repair Instructions >> B218L Side Obstacle Detection Control Module - Left: Programming and Setup >> Replace and Program ECU or Reprogram ECU
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Replace and Program ECU or Reprogram ECU

WARNING: This page is about a different car, the 2020 Cadillac CT4. 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 B218L/R Side Object Sensor Module or 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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