ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Relays and Modules > < Code 991 - 999, ( 992 993 994 995 996 997 998 )|System Diagnosis|Page 189
Page 3
background image

See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TG - Electronic Transmission - Continuous
Memory Service Codes/TG90 - Perform Drive Cycle Test

DTC 675

Transmission Range sensor circuit voltage out of range. Hard fault present, vehicle is in Failure Mode Effects Management (FMEM).

KOEO Memory Code .............................................................................................................................................................................  Go to TG90
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TG - Electronic Transmission - Continuous
Memory Service Codes/TG90 - Perform Drive Cycle Test

DTC 676

Go to Transmission and Drivetrain / Testing and Inspection.

DTC 677

Go to Transmission and Drivetrain / Testing and Inspection.

DTC 691

KOEO Memory Code ...............................................................................................................................................................................  Go to TB1

DTC 692

Transmission state does not match calculated ratio.

Go to Transmission and Drivetrain / Testing and Inspection.

DTC 998

KOEO Hard Code ...................................................................................................................................................................................  Go to TC10
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TC - Transmission Solenoids/TC10 - Check
VPWR to Solenoid

NO DTCs LISTED

Go to ....................................................................................................................................................................................................................  QA1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/QA - No Codes/Codes Not Listed/QA1 -
Check VREF Voltage At Self-Test Connector

Relays and Modules > < Code 991 - 999, ( 992 993 994 995 996 997 998 )|System Diagnosis|Page 189