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Service bulletins for the 1998 Toyota Corolla

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

74 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
T-TT-0010-10 Rev2018-04-02. Service bulletin. BACK OVER PREVENTION; ENGINE. Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rotational speed of the engine's crankshaft.
EG011981998-10-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. INFORMATION ON OXYGEN SENSOR IMPROVEMENT. *YC
971013970121998-04-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT ON MUDGUARD INSTALLATION INSTRUCTIONS. *YC

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.