B1305F0 on Skoda: Right front seat belt tensioner control module No tensioning due to undervoltage
Diagnostic trouble code B1305F0 on Skoda vehicles — what it means, the common
causes, and how to confirm the real fault before replacing parts.
What does B1305F0 mean?
B1305F0 indicates: Right front seat belt tensioner control module No tensioning due to undervoltage.
This relates to the Body system.
Common causes of B1305F0
undervoltage to the right front seat belt tensioner control module J855
loss of supply voltage (Terminal 30 or Terminal 15) to the seat belt tensioner control module
What to check (live data)
Terminal 30 supply voltage to J855
Terminal 15 status signal
LIN Bus / Extended CAN bus signal from J234 to J855
Parts often involved in B1305F0
Right Front Seat Belt Tensioner Control Module J855
Airbag Control Module J234
wiring/connections between J855 and the vehicle electrical supply
LIN Bus / Extended CAN bus wiring between J234 and J855
Don't replace parts until the root cause is confirmed — many of these codes are caused by wiring, a connector or an upstream fault, not the part itself.
Get the confirmed root cause for B1305F0 — on YOUR vehicle
A code is a symptom, not a diagnosis. AutoDX Pro cross-checks several
independent assessments, pinpoints the actual root cause, gives you the
exact tests to confirm it, and shows the parts — only after the cause is
confirmed. Reads your scan-tool photo and decodes your VIN with open
recalls.
B1305F0 is a diagnostic trouble code: Right front seat belt tensioner control module No tensioning due to undervoltage.
What are the common causes of B1305F0 on a Skoda?
Common causes include: undervoltage to the right front seat belt tensioner control module J855, loss of supply voltage (Terminal 30 or Terminal 15) to the seat belt tensioner control module. The exact cause depends on the vehicle — confirm it before replacing parts.
Can I keep driving a Skoda with B1305F0?
It depends on the fault and your symptoms. Some causes are minor, others can damage components or affect safety. Get the root cause confirmed before deciding.
How do I fix B1305F0 on a Skoda?
Confirm the actual root cause with targeted tests first, then replace only the part that's at fault. AutoDX Pro gives you the root cause, the exact tests, and the parts for B1305F0 on your specific Skoda.