Service bulletins for the 1999 Chrysler 300
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.
151 on file from NHTSA, as of 2026-10-19.
About P0420 on the 1999 Chrysler 300: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0420 are shown. Show all
| 1802302 | 2002-10-30. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. CONCERNS WITH MALFUNCTION INDICATOR LAMP ILLUMINATION WITH A CATALYST EFFICIENCY FAILURE DIAGNOSTIC TROUBLE CODE (DTC P0420) RECORDED IN THE POWER TRAIN CONTROL MODULE (PCM). *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.