Chrysler 2005 Crossfire SRT6 Service Manual page 3197

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(P0740) TCC STUCK ON (CONTINUED)
When Monitored and Set Condition
• When Monitored: No Input Speed Sensor N2 - N3, CAN BUS Circuit, PCM, CAN Engine, No CAN Engine
Torque and/or Shift in progress DTCs present. Must be in a valid forward gear.
• Set Condition: Engine RPM (turbine speed) is greater than 30 RPM when the engine torque is less than 100
N·m (73.8 ft. lbs.) for 1.0 second.
TCC SOLENOID CONTROL CIRCUIT SHORT TO GROUND
TCC SOLENOID CONTROL CIRCUIT SHORT TO ANOTHER CIRCUIT
INTERNAL TRANSMISSION
TRANSMISSION CONTROL MODULE
For a complete Transmission Control Module Circuit Diagram, (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTO-
MATIC - NAG1 - SCHEMATICS AND DIAGRAMS).
Diagnostic Test
1.
PRE-DIAGNOSTIC CHECK OUT
Note: Low fluid level can be the cause of many transmission
problems. If the fluid level is low, locate and repair the leak then
check and adjust the fluid level in accordance with the Service
Information.
Note: Always perform diagnostics with a fully charged battery to
avoid false symptoms.
With the DRB III , read Engine DTCs. Check and repair all engine
DTCs prior to performing transmission symptom diagnostics.
With the DRB III , read and record all Transmission DTCs.
Note: Check connectors - Clean/repair as necessary. Poor pin to
terminal connections can set DTCs.
Using the wiring diagram/schematic as a guide, inspect the wiring and
connectors. Repair as necessary.
Most DTCs set on start up but some must be set by driving the vehicle such that all diagnostic monitors have run.
Note: Check for any Technical Service Bulletins that may apply.
Perform this procedure prior to Symptom diagnosis.
Continue
Go To 2
2.
INTERNAL TRANSMISSION
Turn the ignition off.
Disconnect the Transmission Solenoid Assembly harness connector.
Note: Check connectors - Clean/repair as necessary.
Start the engine.
With the brakes firmly applied, shift the gear selector into Drive.
Did the engine stall or stumble?
Yes >> Repair the internal transmission. Pay particular attention to the components related to the TCC. Refer to
the Transmission - Service Information for the proper repair procedure.
No >> Go To 3
NAG1 - ELECTRICAL DIAGNOSTICS 21 - 127
POSSIBLE CAUSES