SRS-0078: Diagnostic trouble code information

Condition 

Fig 1: Identifying Pyrotechnical Seat Belt Tensioner Assembly

Courtesy of VOLVO CARS OF NORTH AMERICA.

If the circuit voltage is high for more than 10 seconds, diagnostic trouble code SRS-0078 is displayed.

Substitute Value 

• Nothing.

Possible Source 

• Short circuit to voltage supply in connector
• Short circuit to voltage supply in the signal wire between SEAT BELT tensioner and the supplemental restrain system (SRS)
• Short circuit to voltage supply in SEAT BELT tensioner.

Fault symptom[s] 

• Orange general warning lamp is on.