TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 3562C.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Summary

SERVICE ENGINE SOON LIGHT DUE TO P0420 DIAGNOSTIC TROUBLE CODE ON LOW MILEAGE VEHICLES - UPDATE ECM CALIBRATION. *TT

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