Service bulletins for the 2020 Nissan Sentra
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.
115 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Labels and manuals are shown. Show all
| NTB20-052 | 2020-08-09. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM. 2020 SENTRA; REAR DOOR ALERT SERVICE INFORMATION SERVICE INFORMATION This bulletin contains supplemental information related to the rear door alert system on 2020 Sentra models. Although the Electronic Service Manual (ESM) should be the primary source of information for inspection, diagnosis, and repair, the supplemental information in this bulletin will assist in these areas. The information in this bulletin includes: • Rear door alert description • How to turn the rear door alert system on and off • How to turn the horn alert function on and off • Vehicle information display messages • Rear door alert operation NOTE: Do NOT replace the BCM for a rear door alert concern unless all information in this bulletin has been reviewed and the concern has been verified to be abnormal. |
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| NTB20-034 | 2020-06-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 2020 SENTRA; DURING PDI DTC B2070-68 FOR KEY REGISTRATION WILL NOT ERASE SERVICE INFORMATION While performing a PDI, if DTC B2070-68 is stored in the Hands-Free control module (Intelligent Key control unit) and will not erase using CONSULT-III plus, no action is necessary. B2070-68 will not affect the vehicle operation and will go to PAST after a number of ignition cycles. NOTE: Do not replace the Intelligent Keys or control units for B2070-68. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.