NHTSA (USA)Medium Risk
2001 VOLVO S40NHTSA Campaign #01V169000
The official notice
Defect
VEHICLE DESCRIPTION: SEDAN AND WAGON PASSENGER VEHICLES. A DIODE IN THE ELECTRONIC CLIMATE CONTROL SYSTEM MAY HAVE A REDUCED SERVICE LIFE.
Safety Risk
IF THE DIODE FAILS, THE HEATER FAN STOPS OPERATING AND THE DEFROSTER FUNCTION IS AFFECTED.
Remedy
DEALERS WILL INSTALL AN ADAPTER WITH A DIODE FITTED TO THE HEATER FAN MOTOR. OWNER NOTIFICATION BEGAN JUNE 11, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT VOLVO AT 1-800-458-1552.
Updated June 10, 2026