Ranger 4WD V6-182 3.0L (1994)
KOEO Memory Code ............................................................................................................................................................................. Go to XB80
DTC 587
Variable Control Relay Module communication failure.
KOEO Hard Code ................................................................................................................................................................................ Go to XB170
KOEO Memory Code ........................................................................................................................................................................... Go to XB170
DTC 593
Heated Oxygen Sensor (HO2S) heater circuit failure.
KOEO Hard Code ..................................................................................................................................................................................... Go to H40
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/H - Fuel Control
KOEO Memory Code ............................................................................................................................................................................... Go to H40
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/H - Fuel Control
DTC 617
1-2 shift error.
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 618
2-3 shift error.
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 619
3-4 shift error.
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 621
Shift Solenoid 1 (SS1) circuit failure during KOEO self-test.
KOEO Hard Code ..................................................................................................................................................................................... Go to TC1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TC - Transmission Solenoids/TC1 - Enter
Output State Diagnostic Test Mode
DTC 622
Shift Solenoid 2 (SS2) circuit failure during KOEO self-test.
KOEO Hard Code ..................................................................................................................................................................................... Go to TC1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TC - Transmission Solenoids/TC1 - Enter
Output State Diagnostic Test Mode
DTC 623
Transmission Control Indicator Light circuit failure.
KOEO Hard Code ..................................................................................................................................................................................... Go to TB3
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TB - 4X4 Low/Transmission Control
TCIL-TCS-TCSM/TB3 - Diagnostic Trouble Codes 97, 623 and 631
DTC 624
Electronic Pressure Control circuit failure.
KOEO Hard Code ................................................................................................................................................................................... Go to TC10
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TC - Transmission Solenoids/TC10 - Check
