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P003A Diagnostic Trouble Code Discussion for July 2010

Turbocharger Boost Control Position Not Learned

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Trouble Ticket Help Requests for DTC P003A
Help Request Posted
2007 Chevrolet Silverado 3500 HD WT 6.6L MIL Lamp on VIN: 1GBJK33D77
P003A: Turbo Vane Position not learned. This truck keeps setting P003A, Turbo vane position not learned. It had set a P2563, boost control position sensor performance. The truck has no drivability problems so I assume the turbo vanes are moving. I replaced the vane position sensor, but now will set ...
July 29, 2010