The 1990 Volvo 780 has 2 NHTSA recall campaigns affecting an estimated 28,970 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the seats. Last updated July 5, 2026.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. DUE TO LIMITED SPACE AND VARIATIONS IN THE ASSEMBLY OF THE CABLES, CHAFING OF THE INSULATION OF THE CABLES FEEDING THE SEAT HEATER, POWER SEAT MOTORS AND SEAT BELT WARNING INDICATOR SITUATED UNDER THE FRONT SEAT, CAN OCCUR.
Consequence
THIS CHAFING CAN LEAD TO A LOW OHM SHORT CIRCUIT.
Remedy
DEALERS WILL INSPECT THE CABLE HARNESSES AND, IF NECESSARY, CORRECT OR REPLACE THESE CABLES.
IF CONDITIONS OF HIGH AMBIENT TEMPERATURE, OVERFILLING OF THE FUEL TANK, AND INSUFFICIENT TORQUE ON THE SENDING UNIT LOCK RING EXIST SIMULTANEOUSLY, FUEL SEEPAGE MAY OCCUR FROM THE TOP OF THE TANK.
Consequence
FUEL SEEPAGE COULD RESULT IN FIRE IN THE PRESENCE OF ANIGNITION SOURCE.
Remedy
RETORQUE SENDING UNIT LOCK RING; REPLACE LOCK RING GASKET IF FUEL SEEPAGE IS DETECTED. NOTE: THE ONLY 940 MODEL SUBJECT TO THIS RECALL IS THE 940SE.
Complaints by component
SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER
1
1fires
Total complaints1
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Seat heater shorted out, causing fire .”
Defect investigations
InvestigationEA94015 Opened 1994-04-20 · closed 1994-10-12
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1990 Volvo 780 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.