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2021 BMW I3
Range Extender•RWD•AUTOMATIC•hybrid
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Repairs0Labor318Torque3717Fluid6DTC2228Battery1Maintenance0Recalls0
CC-ID-2low severityChassis

Active Cruise Control Disabled - Poor Signal

on 2021 BMW i3 Range Extender · RWD

What this code means

Active Cruise Control has been disabled due to a poor or lost radar signal. The ACC sensor system raised this message when it cannot obtain a reliable return signal.

Symptoms

  • ACC will not activate
  • Cruise control warning displayed
  • Automatic braking/distance control unavailable

Common causes

  • Blocked or dirty radar sensor
  • Sensor misalignment
  • Physical obstruction on bumper
  • Sensor fault or interference

Diagnostic steps

  1. Clean the front radar sensor
  2. Inspect bumper for damage or debris
  3. Check sensor alignment
  4. Scan ACC module for fault codes
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