Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1776 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSPOWER STEERING CONTROL MODULE REPLACEMENT

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Power Steering Control Module Replacement

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Power Steering Control Module Replacement

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Power Steering Control Module and Components

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) or Parking Brake Lever Pedal Assembly Replacement (RHD) .
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 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 .

RENDER: 1.0x

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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.