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2010 Chevrolet Silverado 1500 Hybrid – No Power Steering With C0460
CUSTOMER CONCERN Power-steering assist remains unavailable after replacement of the assist motor, with DTC C0460 stored in the Power Steering Control Module. CAUSE The replacement repair was incomplete because the PSCM software and steering position/torque-sensor calibration had not been set up. CORRECTION Program the Power Steering Control Module with current software, perform the steering position and torque-sensor calibration, clear C0460, and verify power-steering assist.
2011 Chevrolet Tahoe Hybrid – No Power Steering With C0460 and C056E-4B
CUSTOMER CONCERN Power-steering assist is unavailable, the Service Power Steering message is displayed, and DTCs C0460-00 and C056E-4B are stored. CAUSE Resistance and harness testing confirmed an internal failure of the power-steering assist motor. CORRECTION Remove and replace the failed power-steering assist motor.
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