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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.
2011 Chevrolet Tahoe Hybrid – Cylinder 4 Misfire With P0304 and P3425
CUSTOMER CONCERN Engine misfires on cylinder 4, injector pulse is absent on that cylinder, and DTCs P0304 and P3425 are stored. CAUSE Inspection confirmed a fault in the orange-wire circuit at the Valve Lifter Oil Manifold harness connector for cylinder 4. CORRECTION Repair the failed orange-wire circuit at the Valve Lifter Oil Manifold connector.
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