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Home >> Cadillac >> 2013 >> SRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Antilock Brake System With Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC B2745 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the S48E Multi-Function Switch - Center Console.
  2. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down. Test for less than 10 Ω between the ground circuit terminal 2 and ground.
    • If greater than the specified value, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify the scan tool BCM Traction Control Switch parameter is Inactive.
    • If not the specified value, test the signal circuit for a short to ground. If the circuit tests normal, replace the K9 Body Control Module.
  4. Install a 3A fused jumper wire between the signal circuit terminal 7 and ground.
  5. Verify the scan tool BCM, Traction Control Switch parameter is Active.
    • If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
  6. If all circuits test normal, test or replace the S48E Multi-Function Switch - Center Console.
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