TSB Document:

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

You can still get the detailed info from Oldsmobile for this TSB. Call your local Oldsmobile dealer's service department & ask for a copy of TSB# 866503.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Summary

SOME VEHICLES MAY SET A FALSE OBD II WITH DIAGNOSTIC TROUBLE CODE P1404. *TT

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