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B1650
System
Supplemental Restraint (Airbag)
Benötigter Scanner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Occupant Classification System Not Calibrated

Understand B1650, common causes, and the right TOPDON scanner to diagnose it.

OCS requires zero-point calibration after seat service or module replacement.

Häufige Symptome

  • Passenger airbag always off
  • Airbag light on

Typische Ursachen

  • Seat swap without calibration
  • New occupancy sensor not programmed
  • Battery disconnect sequence skipped

Welchen Scanner brauchen Sie?

Full-system scanner (engine, ABS, SRS, transmission, service resets)

Nutzen Sie Live-Daten und Freeze Frame, bevor Sie Teile tauschen. ABS-, SRS- und U-Codes erfordern meist einen Vollsystem-Scanner.

Diagnose-Tipps

  • Freeze Frame erfassen, wenn der Code erstmals gesetzt wird
  • Code erst nach Behebung der Ursache löschen
  • Auf verwandte pending codes prüfen
  • Batteriespannung über 12,4 V prüfen, bevor Sie Sensoren verdächtigen

Empfohlene TOPDON Scanner

Häufig gestellte Fragen

What does B1650 mean?
B1650 indicates occupant classification system not calibrated. OCS requires zero-point calibration after seat service or module replacement.
Can I diagnose B1650 with a basic code reader?
B1650 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Which TOPDON scanner do I need for B1650?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with B1650?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.