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# 3638.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

Summary

VEHICLE MAY HAVE A DTC P0404 OR P1404. THIS MAY BE CAUSED FROM POSSIBLE EGR PINTLE BEING STUCK. *TT

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