B0022critical severityBody

Passenger Side Curtain Deployment Circuit

on 2010 GMC Terrain 2.4L I4 · FWD

What this code means

Malfunction detected in the passenger side curtain airbag deployment circuit. This system provides head protection for the passenger in side impacts.

Symptoms

  • Airbag warning light on
  • SRS code stored
  • Curtain airbag inoperative on passenger side

Common causes

  • Faulty curtain airbag module
  • Roof rail wiring damage
  • Airbag control module fault
  • Connector issue at headliner

Diagnostic steps

  1. Scan SRS codes
  2. Inspect headliner connectors
  3. Check roof rail wiring
  4. Measure deployment circuit
  5. Test ACM outputs

Repair notes

Professional curtain airbag service required. Replace curtain module or repair wiring in roof rail.

Other Body codes on this vehicle

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