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Home >> GMC >> 2007 >> Acadia SLT, FWD >> Repair and Diagnosis >> Brakes >> Antilock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> DTC C0045 or C0050 >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the harness connector at the wheel speed sensor.
  2. Connect a 12 volt test lamp between B+ and the wheel speed sensor signal circuit terminal 1.
  3. Test for 4-8 mA on the low reading between the low reference terminal 2 and ground when spinning the wheel very slow.
    • If not within the specified range, replace the wheel speed sensor.
  4. Test for 12-16 mA on the high reading between the low reference terminal and ground when spinning the wheel very slow.
    • If not within the specified range, replace the wheel speed sensor.
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