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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.3 T, 4L60E/M30REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1665 (PROGRAMMING AND SETUP - ALL SYSTEMS)REPAIR INSTRUCTIONSPOWER STEERING CONTROL MODULE PROGRAMMING AND SETUP (WITH HP5)PSCM CENTERING PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30
PSCM Centering Procedure
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION PSCM Centering Procedure
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
After replacing either the steering gear assembly or the power steering control module the PSCM Centering Procedure must be performed. Certain steering symptoms can be corrected by performing the PSCM Centering Procedure such as:
- Poor, or uneven return to center
- Poor, or uneven on center feel
NOTE:
Follow all on-screen instructions displayed on the scan tool in order of appearance.
- Install the scan tool.
- Engine On.
- With the scan tool, under Special Functions, select PSCM Center Procedure and press the Enter key.
- Center the steering wheel.
- Turn the steering wheel 90 degrees to the left.
- Turn the steering wheel 90 degrees past center to the right.NOTE: After centering the steering wheel, remove hands and other objects from the steering wheel and ensure the suspension is relaxed and no bias, or uneven force is being applied to the steering system.
- Center the steering wheel.NOTE: Verify visually the steering wheel is centered by confirming the Steering Wheel Position data parameter reads 0 +/- 1 degree when the steering wheel is centered. If the Steering Wheel Position data parameter reads outside the 0 +/- 1 degree range, repeat the centering procedure.
- Wait until the scan tool screen displays Calibration Complete. If the scan tool displays Procedure Failed, repeat the centering procedure.
- Press the exit key.NOTE: After turning OFF the ignition, allow 25 seconds of wait time before performing any procedures that require the vehicles battery to be disconnected, or module memory loss may occur.
- Turn OFF the ignition.
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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.