Dodge Dakota (ND). Manual — part 1006
AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL
DIAGNOSTICS
TABLE OF CONTENTS
page
page
AUTOMATIC TRANSMISSION 545RFE -
ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
VERIFICATION TEST - VER 1 . . . . . . . . . . . 418
P0218-HIGH TEMPERATURE OPERATION
ACTIVATED . . . . . . . . . . . . . . . . . . . . . . . . . 426
P0602-CONTROL MODULE PROGRAMMING
ERROR/NOT PROGRAMMED . . . . . . . . . . . 432
P0604-INTERNAL CONTROL MODULE RAM
P0605-INTERNAL CONTROL MODULE ROM
. . . . . . . . . . . . . . . . 435
P0706-TRANSMISSION RANGE SENSOR
RATIONALITY . . . . . . . . . . . . . . . . . . . . . . . 436
P0711-TRANSMISSION TEMPERATURE
SENSOR PERFORMANCE . . . . . . . . . . . . . . 440
P0712-TRANSMISSION TEMPERATURE
SENSOR LOW . . . . . . . . . . . . . . . . . . . . . . . 443
P0713-TRANSMISSION TEMPERATURE
SENSOR HIGH . . . . . . . . . . . . . . . . . . . . . . 447
P0714-TRANSMISSION TEMPERATURE
SENSOR INTERMITTENT . . . . . . . . . . . . . . 451
P0715-INPUT SPEED SENSOR 1 CIRCUIT
P0720-OUTPUT SPEED SENSOR CIRCUIT
P0725-ENGINE SPEED SENSOR CIRCUIT
P0736-GEAR RATIO ERROR IN REVERSE
RATIONALITY . . . . . . . . . . . . . . . . . . . . . . . 517
P0845-2C HYDRAULIC PRESSURE TEST
RATIONALITY . . . . . . . . . . . . . . . . . . . . . . . 533
P0870-OD HYDRAULIC PRESSURE TEST
RATIONALITY . . . . . . . . . . . . . . . . . . . . . . . 560
P0875-UD HYDRAULIC PRESSURE TEST
RATIONALITY . . . . . . . . . . . . . . . . . . . . . . . 577
ALWAYS OFF . . . . . . . . . . . . . . . . . . . . . . . . 587
P0891-TRANSMISSION RELAY ALWAYS ON
P0932-LINE PRESSURE SENSOR CIRCUIT
P0934-LINE PRESSURE SENSOR CIRCUIT
LOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 606
P0935-LINE PRESSURE SENSOR CIRCUIT
HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611
P0944-LOSS OF HYDRAULIC PUMP PRIME
P0987-4C HYDRAULIC PRESSURE TEST
RATIONALITY . . . . . . . . . . . . . . . . . . . . . . . 627
P1684-BATTERY WAS DISCONNECTED
P1715-RESTRICTED MANUAL VALVE IN T3
RANGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 636
P1736-GEAR RATIO ERROR IN 2ND PRIME
LATCHED IN TCC POSITION . . . . . . . . . . . . 644
LATCHED IN LR POSITION . . . . . . . . . . . . . 648
P1790-FAULT IMMEDIATELY AFTER SHIFT
P1794-SPEED SENSOR GROUND ERROR
VOLUME LR . . . . . . . . . . . . . . . . . . . . . . . . 658
VOLUME 2C . . . . . . . . . . . . . . . . . . . . . . . . 660
P2702-INADEQUATE ELEMENT VOLUME
OD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 662
P2703- INADEQUATE ELEMENT VOLUME
UD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 664
P2704-INADEQUATE ELEMENT VOLUME 4C
U0002 CAN C BUS OFF PERFORMANCE
U0100–NO COMMUNICATION WITH THE
ECM/PCM . . . . . . . . . . . . . . . . . . . . . . . . . . 674
U0121–LOST COMMUNICATION WITH ABS
U0141 LOST COMMUNICATION WITH FCM
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AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS
ND
AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
ND
AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS
21 - 417
45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1
For the Transmission circuit diagram (Refer to )(Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 45RFE/
545RFE - SCHEMATICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1
1.
45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1
1. After completion of the Transmission Verification Test, the Powertrain Verification Test must be per-
formed.
2. Connect the scan tool to the Data Link Connector (DLC).
3. Reconnect any disconnected components.
4. If the PCM has been replaced or reflashed, or the transmission has been repaired or replaced, it is nec-
essary to perform the scan tool Quick Learn Procedure.
5. With the scan tool, erase all Transmission and Engine DTC’s.
6. With the scan tool, display Transmission Temperature. Start and run the engine until the Transmission Temper-
ature is HOT.
7. Check the Transmission fluid level and adjust if necessary. Refer to the Service Information for the Fluid Fill
procedure. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE/FLUID - STANDARD PRO-
CEDURE)
8. Road test the vehicle.
9. Perform the following shifts from a standing start with a constant throttle opening of 20 to 25 degrees to the
speeds of 97 Km/h or 60 MPH; make fifteen to twenty 1 to 2, 2 to 3, 3 to 4 upshifts and for 545RFE, 4 to 5.
10. Perform the following shifts with speeds below 40 Km/h or 25 MPH; make five to eight wide open throttle kick-
downs to 1st gear. Allow at least 5 seconds each in 2nd and 3rd gear between each kickdown.
11. Check for DTC’s during the road test.
12. Use the EATX OBDII task manager to run Good Trip time in each gear, this will confirm the repair and to
ensure that the DTC has not re-matured.
13. With the scan tool, perform a BATTERY DISCONNECT, this will clear the EATX DTC EVENT DATA
Were there any Diagnostic Trouble Codes (DTCs) set during the road test?
Yes
>> Refer to the Symptom List for the appropriate diagnostic tests.
No
>> Repair is complete.
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AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS
ND
PRE-DIAGNOSTIC CHECK OUT
For a complete wiring diagram Refer to Section 8W.
Diagnostic Test
1.
PRE-DIAGNOSTIC CHECK OUT
Check the transmission fluid level. If the fluid level is low, locate and repair any leaks and fill the transmission to the
proper level. Refer to the appropriate Service Information for procedures. Many transmission symptoms can be
caused by a low fluid level.
Check the battery. To avoid false diagnosis, testing should only be performed with the battery fully charged.
With the scan tool, read Engine (PCM) DTCs. If DTCs are present, refer to the Driveability Category and perform to
the appropriate diagnostic procedure(s) before proceeding.
With the scan tool, read Transmission (TCM) DTCs. Record all Stored, Active, and Pending DTC information. Diag-
nose any Pending DTC as a matured DTC.
With the scan tool, read EATX DTC EVENT DATA. Use this data to identify the conditions in which the DTC was
set.
Performing a Battery Disconnect will clear all EATX DTC EVENT DATA and reset all learned Transmission values to
the default values, which may temporarily result in erratic shift schedules.
With the scan tool, perform the Shift Lever Position Test. If the test does not pass, refer to the diagnostic procedure
for P0706 Check Shifter Signal.
For Gear Ratio Error DTCs, use the scan tool to view CVI Monitor data. Read and record the Clutch Volume Index
information.
Use the wiring diagram as a guide. Inspect the wiring and connectors related to this circuit. Repair as necessary.
Refer to the When Monitored and Set Conditions for this DTC. DTCs can set at ignition on, at start up, after driving
under specific conditions and after diagnostic monitors have been run.
Refer to applicable Technical Service Bulletins (TSBs) for controller software update information. Some conditions
can be corrected by upgrading the Engine (PCM) or Transmission (TCM) controller software.
Refer to any Service Information Tune Ups or Technical Service Bulletins that apply to this symptom.
Were there any repairs made that fixed the vehicle?
Yes
>> Testing complete.
No
>> Refer to the Transmission category and perform the appropriate diagnostic procedure(s).
ND
AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS
21 - 419
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