Diagnostic Trouble Code (DTC) Information SRS-0090

Condition 

Fig 1: Identifying Pyrotechnical Seat Belt Tensioner Assembly

Courtesy of VOLVO CARS CORPORATION

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.