Service bulletins for the 2003 Dodge Neon
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.
48 on file from NHTSA, as of 2026-10-19.
About P0340 on the 2003 Dodge Neon: 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: P0340 are shown. Show all
| 1802603A | 2003-11-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE NO START (ENGINE WILL START IMMEDIATELY AFTER CYCLING THE IGNITION KEY), MALFUNCTION INDICATOR LAMP ILLUMINATION WITH FALSE DIAGNOSTIC TROUBLE CODES (DTC) P0016, P0116, P0335, P0339, P0340, P0462, P0498, P0499, P0522, P0622, P1604, P1681, P1686, P1698. *TT |
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| 1802603 | 2003-08-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE NO START (ENGINE WILL START IMMEDIATELY AFTER CYCLING THE IGNITION KEY), MALFUNCTION INDICATOR LAMP ILLUMINATION WITH FALSE DIAGNOSTIC TROUBLE CODES (DTC) P0016, P0335, P0339, P0340, P0462, P0498, P0499. *TT |
| 1802902 | 2003-02-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE NO START (ENGINE WILL START IMMEDIATELY AFTER CYCLING THE IGNITION KEY), MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0016, P0335, P0339, P0340, P0462, P0498, P0499, P0522, P0622, P1604, P1681, P1686. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.