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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Backup Battery Reset

Backup Battery Reset

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

The Backup Battery Timer Reset needs to be performed anytime a new OnStar backup battery is replaced. The OnStar module monitors certain elements of the backup battery (including age) and failure to perform this reset procedure could result in future needless replacement of the backup battery.

  1. Using a scan tool, in the K73 Telematics Communication Interface Control Module under Control Functions perform the Backup Battery Timer Reset procedure.
  2. Follow the scan tool directions to complete the procedure.
  3. At the end of the procedure clear any DTC's
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