Applies to: TMS3 (TMS)TMS6 (TMS)
What does Scania TMS fault code 686 mean?
What causes Scania DTC 686?
How does the system react?
What are the symptoms?
How to fix Scania TMS fault code 686?
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This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.