WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power Steering Control Module

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure: Remove the parking brake lever pedal assembly. Refer to Parking Brake Lever Pedal Assembly Replacement (LHD) .
1	Power Steering Control Module Nut CAUTION: Refer to Fastener Caution . Tighten: 9 N.m (80 lb in)
2	Power Steering Control Module Bolt Tighten: 10 N.m (89 lb in)
3	Power Steering Control Module Procedure Disconnect any electrical connectors as needed. After repairs, set the front toe. Refer to Wheel Alignment - Steering Wheel Angle and/or Front Toe Adjustment . Use the scan tool special functions menu to perform the Set Up PSCM Calibration procedure. Ensure all vehicle doors are closed and wait for 30 seconds in order to let the vehicle modules re-enter sleep mode. Perform the diagnostic system check. Refer to Diagnostic System Check - Vehicle .

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Power Steering Control Module Replacement

Use the Manual With the Right Hardware

When to See a Mechanic

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