2006 DODGE RAM SRT-10 Service Repair Manual

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Page 3633 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual Theory of Operation
The Transmission Temperature Sensor is used to sense when the transmissiontemperatureistoohotortoocoldto
operate overdrive and/or the torque convertor clutch. When the transmission

Page 3634 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 2.CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORTTO
GROUND
Turn the ignition off to the lock position.
Disconnect the ECM C2 harness connector.
Disconnect the Transmission S

Page 3635 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 4.CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORTTO
GROUND INSIDE TRANSMISSION
Remove the Transmission Oil Pan perthe Service Information. (Refer to
21 - TRANSMISSION/TRANSA

Page 3636 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 6.TRANSMISSION TEMPERATURE SENSOR
TYPICAL VALUES FOR TRANSMISSION TEMPERATURE SENSOR
TEMPERATURE MIN TO MAX OHM RANGE
-40° C (-40° F) 1094 to 1176 ohms
0.0° C (32° F) 1587 to 1672 ohms
25° C (77�

Page 3637 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 8.INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Use the Freeze Frame Data to help duplicate the conditions in which the DTC origionaly set.

Page 3638 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual P0713-TRANS TEMP SENSOR VOLTAGE TOO HIGH
For a complete wiring diagramRefer to Section 8W

Page 3639 of 5267

Theory of Operation
The Transmission Temperature Sensor is used to sense when the transmissiontemperatureistoohotortoocoldto
operate overdrive and/or the torque convertor clutch. When the transmission sensor detects a temperature below 0°
C (32° F), overdrive and the torque convertor clutch are disabled. When thedetected temperature is above 127° C
(260° F), overdrive is disabled and 3rd gear with TCC is engaged, this strategy is used to increase transmission
fluid flow to help cool the transmission.
When Monitored:
Continuously with the ignition on and the engine running.
Set Condition:
This DTC will set if the (T54) Transmission Temperature Sensor Signal circuit voltage exceeds 3.76 volts for
the period of 2.2 seconds.
Possible Causes
(T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
(T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO (F856) 5-VOLT SUPPLY
CIRCUIT
(T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN
(K900) SENSOR GROUND CIRCUIT OPEN
(T54) 5-VOLT SUPPLY OPEN IN TRANSMISSION
(T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO (F856) 5-VOLT SUPPLY
CIRCUIT INTERNAL TO THE TRANSMISSION
(T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN INTERNAL TO THETRANSMISSION
(K900) SENSOR GROUND CIRCUIT OPEN INTERNAL TO THE TRANSMISSION
TRANSMISSION TEMPERATURE SENSOR
ENGINE CONTROL MODULE
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS-
SION/TRANSAXLE/AUTOMATIC - 48RE - STANDARD PROCEDURE)
1.CHECK IF THE DTC IS CURRENT
Ignition on, engine not running.
With the scan tool, read Engine DTCs.
Record the Freeze Frame data for the reported DTC.
With the scan tool, erase DTCs.
Turn the ignition off to the lock position.
Using the Freeze Frame data recorded earlier, try to duplicate the conditions in which the DTC originally set.
NOTE: It may be necessary to road test the vehicle to duplicate the originalset conditions.
With the scan tool, read Engine DTCs.
Did the DTC reset?
Ye s>>
Go To 2
No>>
Go To 12

Page 3640 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 2.CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORTTO
V O LTA G E
Turn the ignition off to the lock position.
Disconnect the ECM C2 harness connector.
Disconnect the Transmiss

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