Operation Section
80
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.
994
ServiceFault4
Service Interval 4 has been
reached-replace HEGO
sensors
TurnOnMil
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.
