Specifications

Operation Section
-124-
Table 2. Diagnostic Fault Codes (Flash Codes) cont’d.
DFC PROBABLE FAULT FAULT ACTION * CORRECTIVE ACTION FIRST CHECK
933
TransOilTemp
Excessive transmission oil
temperature
(1) TurnOnMil
(2) DelayedEngine
Shutdown
Refer to drivetrain manufacturer’s
transmission service procedures.
991
ServiceFault1
Service Interval 1 has been
reached
None
Perform service procedure related to
Service Interval 1
(determined by OEM)
992
ServiceFault2
Service Interval 2 has been
reached
None
Perform service procedure related to
Service Interval 2
(determined by OEM)
993
ServiceFault3
Service Interval 3 has been
reached
None
Perform service procedure related to
Service Interval 3
(determined by OEM)
994
ServiceFault4
Service Interval 4 has been
reached-replace HEGO
sensors
TurnOnMil
(Certified Units Only)
Replace Pre-catalyst HEGO sensor
Replace Post-catalyst HEGO sensor
995
ServiceFault5
Service Interval 5 has been
reached-replace timing belt
TurnOnMil Replace engine timing belt
(*) Fault actions shown are default values specified by the OEM.