BMW bus system analysis fault codes
The 5 fault codes the bus system analysis can store, and what each one means. Some codes mean different things in different versions of the module; tap a code to see which applies to your car.
On: 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), 7 Series (E65), 7 Series (E66), 7 Series (E67)
- FFF1 MOSTSYS: No communication with headunit (and 1 other meaning)
- FFF2 MOSTSYS: MOST ring break
- FFF3 MOSTSYS: MOST system analysis: 1 fault found
- FFF4 MOSTSYS: MOST system analysis: 2 faults found
- FFF5 MOSTSYS: Fault: OPS/OPPS stored in setpoint configuration
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