LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2019 >> XT5 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1271 >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Cadillac XT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition On/Vehicle in Service Mode. Control Module ON.
  2. Verify DTC B1271 is not set in Control Module.
    • If DTC B1271 is set in Control Module 

      Replace the Control Module.

    • Go to next step: If DTC B1271 is not set in Control Module 
  3. All OK.