P003A Diagnostic Trouble Code Discussion for April 2020
Turbocharger Boost Control Position Not Learned
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| Help Request | Posted | |
| 2008 Chevrolet Silverado 2500 HD WT 6.6L MIL Lamp on VIN: 1GCHK29638 P003A: Turbo boost control position not learned. ... P0401 & P003a codes. I am pretty sure the turbo variable vanes are "sticky" causing the P003A code, I can watch the actual vs. command and it is not very stable. The question I have is for the EGR flow code P0... |
April 15, 2020 |
