OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Body generic / SAE

B0200

Air Bag System Voltage Out of Range

The SRS module has detected that its supply voltage is outside the operating range, preventing reliable deployment readiness.

SystemBody
Typegeneric / SAE
GroupB0
Range / number2 / 00

Possible causes

  • Weak or failing vehicle battery high
  • Alternator output low or unstable medium
  • Damaged SRS power wiring medium

Symptoms

  • Warning light or symbol related to the affected system
  • Comfort or safety function impaired

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 50–500 €
  • Estimated time: 0.3–2.5 h
  • Component: srs control module
  • Component: vehicle battery
  • Component: srs power circuit

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication