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2021 PORSCHE 718 CAYMAN GT4
4.0L H6•RWD•DCT•gas•MDG.GA
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Repairs0Labor489Torque2150Fluid8DTC1101Battery1Maintenance0Recalls0
01321critical severityNetwork

Airbag Control Module - No Communication

on 2021 Porsche 718 Cayman GT4 4.0L H6 · RWD

What this code means

No data is being received from the airbag control module. Similar to OBD U0151 (Lost Communication with Restraints Control Module).

Symptoms

  • Airbag warning light on
  • SRS system disabled
  • No crash protection ready

Common causes

  • Airbag module power or ground fault
  • CAN wiring to SRS damaged
  • Faulty airbag module
  • Water damage under seat/console

Diagnostic steps

  1. Check airbag module power and ground
  2. Verify CAN wiring to SRS module
  3. Scan for related bus faults
  4. Replace airbag module if faulty
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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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