2006 DODGE RAM SRT-10 Service Repair Manual

brakes service technical data fuel consumption timing belt relay

Page 3193 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual When Monitored:
Initially at power-up, then every 10 seconds thereafter. The solenoid circuits will also be tested immediately
after a gear ratio or pressure switch error is detected.
Set Condition:
A

When Monitored:
Initially at power-up, then every 10 seconds thereafter. The solenoid circuits will also be tested immediately
after a gear ratio or pressure switch error is detected.
Set Condition:
After three consecutive solenoid continuity test failures, or one failure if test is run in response to a gear ratio
or pressure switch error.Note: This DTC is strictly an electrical fault and does not apply to any internal
transmission failures.
Possible Causes
RELATED TIPM TCM DTCS PRESENT
(T259) 4C SOLENOID CONTROL CIRCUIT SHORT TO OTHER CIRCUITS
(T259) 4C SOLENOID CONTROL CIRCUIT OPEN
(T259) 4C SOLENOID CONTROL CIRCUIT SHORT TO GROUND
TRANSMISSION SOLENOID/TRS ASSEMBLY
POWERTRAIN CONTROL MODULE
Always perform the 45RFE/545RFE Pre-Diagnostic Troubleshooting Procedure before proceeding. (Refer to
21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - STANDARD PROCEDURE)
Theory of Operation
The Transmission Control System uses six electronically controlled solenoids that allow hydraulic fluid to be applied
to various friction elements (clutches), which enables the gear requested. The continuity of each solenoid circuit is
periodically tested. Each inactive solenoid is turned on for a few milliseconds, then off. Each active solenoid is
turned off for a few milliseconds, then on. This pulsing of voltage to the solenoid causes an inductive spike which
can be sensed by the Transmission Control System. If an inductive spike is not sensed by the Transmission Control
System during the continuity check, it is tested again. If the test fails three consecutive times, the appropriate Diag-
nostic Trouble Code (DTC) is set. If the solenoid test is run in response to agear ratio or pressure switch error, one
failure will result in setting the appropriate DTC.Note: This DTC is strictly an electrical fault and does not apply
to any internal transmission failures.
Diagnostic Test
1.CHECK FOR TCM TIPM DTCS
With the scan tool under TIPM, check for TCM Power Input DTCs.
Are there any TIPM TCM Power Input DTCs present?
Ye s>>
Refer to the Transmission category and perform the appropriate symptom.
No>>
Go To 2
2.CHECK TO SEE IF P0770 IS PRESENT
Turn the ignition off to the lock position.
Remove the Ignition Switch Feed fuse from the TIPM.
CAUTION: Removal of the Ignition Switch Feed fuse from the TIPM will prevent the vehicle from being
startedingear.
WARNING: The Ignition Switch Feed fuse must be removed from the TIPM. Failure to do so can result in
personal injury or death.
Install Transmission Simulator, Miller tool #8333.
Ignition on, engine not running.
With the scan tool, actuate the 4C Solenoid.

Page 3194 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual Monitor the 4C Solenoid LED on the Transmission Simulator.
Did the 4C Solenoid LED on the Transmission Simulator blink on and off?
Ye s>>
Go To 3
No>>
Go To 4
3.CHECK THE TRANSMISSION SOLENOID/TRS ASS

Page 3195 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 5.CHECK THE (T259) 4C SOLENOID CONTROL CIRCUIT FOR AN OPEN
Connect Miller tool #8815 to the PCM C4 harness connector.
CAUTION: Do not probe the PCM harness connectors. Probing the
PCM harness connecto

Page 3196 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual P0841-LR PRESSURE SWITCH RATIONALITY
For a complete wiring diagramRefer to Section 8W

Page 3197 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual When Monitored:
Continuously with the ignition on and engine running.
Set Condition:
The DTC will set if the LR Pressure Switch reads open or closed at the wrong time in a given gear.
Possible Causes

Page 3198 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 2.CHECK IF THE CONDITION P0841 IS PRESENT
With the scan tool, check the DTC EVENT DATA for P0841.
NOTE: Make sure to record all DTC EVENT DATA stored in the scan tool for future reference in this test

Page 3199 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 7.CHECKIFTHEDTCSETINFIRSTGEAR
With the DTC EVENT DATA recorded earlier, check what gear the transmissionwas in when the DTC P0841 was
set.
Does the DTC EVENT DATA show the Present Gear as first gear w

7.CHECKIFTHEDTCSETINFIRSTGEAR
With the DTC EVENT DATA recorded earlier, check what gear the transmissionwas in when the DTC P0841 was
set.
Does the DTC EVENT DATA show the Present Gear as first gear when the DTC P0841was set ?
Ye s>>
Go To 8
No>>
Replace the Transmission Solenoid/TRS Assembly per the Service Information. (Refer to 21 - TRANS-
MISSION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE/TRANS SOLENOID/TRS ASSY -REMOVAL)
Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21- TRANSMIS-
SION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - STANDARD PROCEDURE)
8.CHECK IF THE NO. 1 CHECK BALL IS CUT OR DAMAGED
Turn the ignition off to the lock position.
Remove the Transmission Valve Body per the Service Information.
Check the No. 1 Check Ball for any possible cuts or damage.
Is the No. 1 Check Ball cut or damaged?
Ye s>>
Replace the No. 1 Check Ball and check for clutch debris in the transmissionoil pan. If there is exces-
sive debris, perform internal repairs to the LR Clutch assembly. Refer to the Service Information for
proper repair procedures.
Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21- TRANSMIS-
SION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - STANDARD PROCEDURE)
No>>
Go To 9
9.CHECK IF THE REVERSE CARRIER SNAP RING IS DISLODGED AND THE TRANSMISSION SOLENOID/
TRS ASSEMBLY
Looking through the windows in the bottom of the case, check whether the snapringatthefrontoftheReverse
(center) Carrier has dislodged.
NOTE: It may be necessary to pry the Input Annulus Gear Shell rearward to check this snap ring.
Is the Reverse Carrier Snap Ring dislodged?
Ye s>>
Repair as necessary.
Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21- TRANSMIS-
SION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - STANDARD PROCEDURE)
No>>
Replace the Transmission Solenoid/TRS Assembly per the Service Information. (Refer to 21 - TRANS-
MISSION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE/TRANS SOLENOID/TRS ASSY -REMOVAL)
Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21- TRANSMIS-
SION/TRANSAXLE/AUTOMATIC - 45RFE/545RFE - STANDARD PROCEDURE)

Page 3200 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 10.CHECK THE (T50) LR PRESSURE SWITCH SENSE CIRCUIT FOR AN OPEN
Turn the ignition off to the lock position.
Disconnect the Transmission Simulator, Miller tool #8333 if connected in
a previous step or

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