Service bulletins for the 1985 Volvo B10M
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.
16 on file from NHTSA, as of 2026-10-19.
About U0121 on the 1985 Volvo B10M: 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: U0121 are shown. Show all
| KC-2119 | 2022-07-05. Service bulletin. SERVICE BRAKES, AIR. DTC U012100 - Lost Communication With Anti-Lock Brake System (ABS) Control Module, No Additional Information |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.