Two problems related to check engine light on have been reported for the 2006 Chevrolet 3500. The most recently reported issues are listed below.
Duramax diesel turbocharger replacement. Second identical occurrence, see odi number 10522941. Work order states "customer states the check engine light came on this morning. Advise. Dtc p2563=turbocharger boost control. System test found turbo vane sticking in turbo. Control solenoid and position sensor operating. Replace turbocharger and all needed seals and gaskets. Reprogram ecm as needed. Fill cooling system. " this second p2563 trouble code and turbocharger replacement, 28,342 miles since the first replacement, cost me $2,889. 74. There seems to be a trend of this specific failure.
Duramax diesel. Check engine light came on when started. Invoice stated code was: "check engine light is on. The vanes inside aren't working. P2563=turbocharger boost control. Command solenoid with tech2, won't operate solenoid not operating. Replace solenoid and retest. Solenoid now operates but tc vane place stops/sticks at 69% and won't move. Remove and replace turbocharger position sensor to inspect. Vane cam won't move. Tac case #11223434. See ro for details. Replace turbocharger, clear dtc, relearn tc position and retest. " turbocharger replaced under original warranty with $100 deductible.