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False Code on Vette

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False Code on Vette

This bulletin applies to 2015-2016 Chevy Corvette Z06 models equipped with the LT4  engine. Some owners may comment that the MIL is on with a DIC message displayed.

The technician may find DTC P2227 set in history.

An outdated calibration is causing false faults in certain vehicles. Reprogram the ECM software using the latest service calibration. 

Calibrations are available on TIS2WEB. Refer to K20 Engine Control Module, Programming and Setup.

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