Replace and Program ECU or Reprogram ECU

WARNING: This page is about a different car, the 2020 Chevrolet Silverado 1500. 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 required to program both the B218L Side Object Sensor Module - Left and B218R Side Object Sensor Module - Right when a programming event is required.

Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select B218L Side Object Sensor Module - Left.
On the SPS Select Function/Sequence screen, select Programming
Clear DTCs.
On the SPS Supported Controllers screen, select B218R Side Object Sensor Module - Right.
On the SPS Select Function/Sequence screen, select Programming
Clear DTCs.