LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1109 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC B1517 >> Circuit/System Testing >> B1517 5A

B1517 5A

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that DTC B1517 5A is set as current.
  2. Ignition OFF, disconnect the harness connectors X3 and X4 from the BCM.
  3. Ignition OFF, test for less than 1.0 ohm of resistance between the ground circuit X4 terminal 9 and ground.
    • If not within the specified range, test the circuit for an open/high resistance.
  4. Ignition On, test the B+ circuits X3 terminal 3 and X4 terminal 10 to the ground circuit X4 terminal 9. The B+ circuits should not differ by more than 2 volts.
    • If not within the specified range, test the circuit for a short to ground or an open/high resistance.
  5. If all circuits test normal, replace the BCM.
scientia non olet · About LEMON Manuals