TSB Document:

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

You can still get the detailed info from Mazda for this TSB. Call your local Mazda dealer's service department & ask for a copy of TSB# 0100301.

Affected Component: UNKNOWN OR OTHER

Summary

SOME VEHICLES MAY EXHIBIT MALFUNCTION INDICATOR LAMP ILLUMINATION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0420 / 0421 OR P0430 / 0431 STORED IN MEMORY WITH NO DRIVEABILITY CONCERNS PRESENT. THIS CONDITION MAY BE CAUSED BY AN OVERLY SENSITIVE REAR OXYGEN SENSOR(S), WHICH FASELY INDICATES AN EMISSIONS CONCERN AND A DTC TO BE STORED. *TT

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