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Range ExtenderRWDAUTOMATIChybrid
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CC-ID-246low severityChassis

Active Cruise Control Disabled, Speed too Low

on 2021 BMW i3 Range Extender · RWD

What this code means

This message indicates Active Cruise Control was disabled because vehicle speed fell below its operating threshold. It is raised by the cruise control system.

Symptoms

  • ACC disengaged message
  • Cruise unavailable at low speed
  • Warning shown on cluster

Common causes

  • Vehicle speed below ACC minimum
  • Traffic causing low speed
  • Radar sensor limitation
  • System operating limit reached

Diagnostic steps

  1. Verify vehicle speed relative to ACC limits
  2. Check radar sensor function
  3. Scan cruise control module for faults
  4. Confirm operating conditions

Other Chassis codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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