SRS-0074: Diagnostic trouble code information

Condition 

Fig 1: Identifying Pyrotechnical Seat Belt Tensioner Assembly

Courtesy of VOLVO CARS OF NORTH AMERICA.

If the circuit resistance is too high for more than 10 seconds, diagnostic trouble code SRS-0074 is displayed.

Substitute Value 

• Nothing.

Possible Source 

• Contact resistance or open circuit in the wire between the SEAT BELT tensioner and supplemental restrain system (SRS)
• Open circuit in SEAT BELT tensioner (resistance in igniter too high).

Fault symptom[s] 

• Orange general warning lamp is on.