Ranger 4WD V6-182 3.0L (1994)
TCIL-TCS-TCSM/TB1 - Diagnostic Trouble Codes 47, 633 and 691
DTC 634
Transmission Range voltage higher or lower than expected.
KOEO Hard Code .................................................................................................................................................................................... Go to TD1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TD - Manual Lever Position (MLP) Sensor
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 636
Transmission fluid temperature higher or lower than expected.
KOEO Hard Code ..................................................................................................................................................................................... Go to TE1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TE - Transmission Fluid Temperature (TFT)
Sensor/TE1 - Sensor Output Outside Test Range
KOER Hard Code ..................................................................................................................................................................................... Go to TE1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TE - Transmission Fluid Temperature (TFT)
Sensor/TE1 - Sensor Output Outside Test Range
DTC 637
Transmission fluid temperature sensor circuit above maximum voltage, -40 degrees C (-4O degrees F) indicated, circuit open.
KOEO Hard Code ................................................................................................................................................................................... Go to TE10
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TE - Transmission Fluid Temperature (TFT)
Sensor/TE10 - Attempt To Generate DTC 66 or 638
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 638
Transmission fluid temperature sensor circuit below minimum voltage, 143 degrees C (29O degrees F) indicated, circuit shorted.
KOEO Hard Code ................................................................................................................................................................................... Go to TE20
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TE - Transmission Fluid Temperature (TFT)
Sensor/TE20 - Attempt To Generate DTC 56 or 637
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 639
Insufficient input from Transmission Speed Sensor.
KOER Hard Code ..................................................................................................................................................................................... Go to TF1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TF - Turbine Shaft Speed Sensor/Output
Shaft Speed Sensor/TF1 - Check TSS/OSS Connector Continuity
KOEO Memory Code .............................................................................................................................................................................. Go to TF90
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TF - Turbine Shaft Speed Sensor/Output
Shaft Speed Sensor/TF90 - Complete Transmission Drive Cycle
