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C0545 00

WARNING: This page is about a different car, the 2010 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the X3 harness connector at the power steering module assembly.
  2. Connect the EL-47564  Power Steering Control Module (PSCM) Test Harness. See Special Tools .
  3. Ignition OFF, test for less than 2 Ω between the low reference circuit terminal E and ground.
    • If greater than the specified range, replace the power steering control module.
  4. Ignition ON, test for 4.8-5.2 V between the 5 V reference circuit terminal B and ground.
    • If less than the specified range, replace the power steering control module.
  5. Install a 3A fused jumper wire between the signal circuit terminal F and the 5V reference circuit terminal B. Verify the scan tool Torque Sensor Signal 1 is greater than 4.8V.
    • If less than the specified value, replace the power steering control module.
  6. Install a 3A fused jumper wire between the signal circuit terminal C and the 5V reference circuit terminal B. Verify the scan tool Torque Sensor Signal 2 is greater than 4.8V.
    • If less than the specified value, replace the power steering control module.
  7. If all circuits test normal, test or replace the steering column.
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