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Service bulletins for the 2023 Jeep Grand Cherokee

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.

866 on file from NHTSA, as of 2026-10-19.

About B140C on the 2023 Jeep Grand Cherokee: 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: B140C are shown. Show all

Bulletins, newest first
S228A0000202023-01-09. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio May Have A Stored or Active Diagnostic Trouble Codes (DTC) B1400-1A, B1404-1A, B1408-1A or B140C-1A
91000412022-12-12. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. RADIO, MULTI Media, SPEAKER, 6"x9" Radio May Have one or more stored or active DTCs, Refer to SOL S228A000020 before replacing parts. B14001A -Front Left Audio Speaker Output-Circuit Resistance Below Threshold B14041A-Front Right Audio Speaker Output-Circuit Resistance Below Threshold B14081A-Rear Left Audio Speaker Output-Circuit Resistance Below Threshold B140C1A-Rear Right Audio Speaker Output-Circuit Resistance Below Threshold
S228A0000202022-10-31. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio May Have A Stored or Active Diagnostic Trouble Codes (DTC) B1400-1A, B1404-1A, B1408-1A or B140C-1A
S228A0000202022-10-31. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio May Have A Stored or Active Diagnostic Trouble Codes (DTC) B1400-1A, B1404-1A, B1408-1A or B140C-1A

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.