B1316
Sistema
Supplemental Restraint (Airbag)
Escáner necesario
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Battery Voltage Low — SRS Module

Understand B1316, common causes, and the right FOXWELL scanner to diagnose it.

Airbag module detected low supply voltage — may disable SRS until voltage normal.

Síntomas habituales

  • Airbag light on after start
  • Multiple U-codes

Causas típicas

  • Weak 12V battery
  • Corroded terminals
  • Low voltage during cranking

¿Qué escáner necesita?

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

Use datos en vivo y freeze frame antes de cambiar piezas. Códigos ABS, SRS y U suelen requerir un escáner de todos los sistemas.

Consejos de diagnóstico

  • Registre el freeze frame cuando se active el código
  • Borre el código solo tras corregir la causa
  • Revise códigos pendientes relacionados
  • Verifique que la batería esté por encima de 12,4 V antes de sospechar sensores

Escáneres FOXWELL recomendados

Preguntas frecuentes

Can I diagnose B1316 with a basic code reader?
B1316 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Is it safe to drive with B1316?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.