Service bulletins for the 2005 Chevrolet Optra
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.
278 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Automatic transmission are shown. Show all
| 06-00-89-031D | 2021-09-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification |
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| 06-00-89-031D | 2021-04-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification |
| 050730020 | 2005-11-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION 4-3 SHIFT MALFUNCTION OR 4-3 HARSH DOWNSHIFT. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.