Service bulletins for the 1990 Infiniti Q45
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.
10 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Electrical system are shown. Show all
| ITB-09-020 | 2009-08-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. INFINITI: ELECTRONIC CONTROL UNIT DAMAGE CAN RESULT FROM IMPROPER BATTERY CONNECTION. THE BATTERY IS REQUIRED TO STAY CONNECTED WHEN THE ENGINE IS RUNNING. NO MODEL YEARS LISTED. *PE |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.