B0200: Air Bag System Voltage Out of Range

What does B0200 mean?

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

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Symptoms

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

Common causes

• High Weak or failing vehicle battery
• Medium Alternator output low or unstable
• Medium Damaged SRS power wiring

Likelihood is a general estimate across vehicles; your make and model may differ.