VOLVO
SRS-0091 - Seat belt tensioner 3rd row left. Signal too low
System
Supplemental Restraint System (SRS)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
5 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
What does this fault code mean?
The voltage in the signal wire to the seat belt tensioner on the left side of the third seat row has been too low for a longer period, which suggests a short circuit to ground. The cause can be in the wire, the connector or the seat belt tensioner. The code can also give a general warning lamp.
Possible causes
- Short circuit to ground in the signal cable running to the SRS control module
- Short circuit to ground in the connector
- Short circuit to ground in the seat belt tensioner
What you can do
- 1Have a workshop check the connector to the left seat belt tensioner in the third row: it should be fully engaged, clean and undamaged
- 2Have a workshop check chafed or pinched wires between the seat belt tensioner and the control module
- 3If the code changes from permanent to intermittent, the seat belt tensioner may be faulty; have a workshop try a new one
- 4Have a workshop with diagnostic equipment check the wire for a short circuit to ground if the fault remains
- 5Do not work on the airbag system yourself; have a workshop check it
Symptoms you may notice1
- The general warning lamp is on
General guidance for car owners. Diagnosis on the car can point to a different cause.