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Chevrolet TSB #PIP5664B
2020 Chevrolet Silverado 2500
Affected Component: ELECTRICAL SYSTEM
- This Preliminary information communicates to the dealer technician to check for any new ECM calibration updates for DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set.
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