Diagnostic trouble code (DTC) information SRS-0090

Condition 

Fig 1: Identifying Pyrotechnical Seat Belt Tensioner Assembly

Courtesy of VOLVO CARS OF NORTH AMERICA.

The Supplemental Restraint System Module (SRS) checks the signal from the seat belt tensioner.

Diagnostic trouble code (DTC) SRS-0090 is stored if the control module registers that the voltage in the signal cable is too high for longer than 10 seconds.

Diagnostic trouble code (DTC) SRS-0090 can be diagnosed in ignition positions I, II or III.

Substitute Value 

• None.

Possible Source 

• Short-circuit to supply voltage in the signal cable between the seat belt tensioner and the Supplemental Restraint System Module (SRS)
• Short-circuit to supply voltage in the connector
• Short-circuit to supply voltage in the seat belt tensioner.

Fault symptom[s] 

• General warning lamp lit.