Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Buick >> 2023 >> Envision Preferred, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Cellular, Entertainment, And Navigation) >> Diagnostic Information and Procedures >> Infotainment Control Switch Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2021 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle In Service Mode.
  2. Verify DTC U0073-U007E is not set.
    • Go to next step: If none of the DTCs are set 
  3. Refer to Circuit/System Testing.
scientia non olet · About Mike's Workshop Manuals