Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Buick >> 2013 >> Verano Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DTC P0A90 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the condition of the drive belt tensioner.
    • If the belt tensioner is not OK, replace the drive belt tensioner.
  2. Inspect the drive belt for cracks, wear and contamination.
    • If the belt is not OK, replace the drive belt.
  3. If the DTC resets, replace the A15 starter generator.
scientia non olet · About Mike's Workshop Manuals