Dodge Caliber. Manual — part 1204
P128D-TCM POWER CONTROL CIRCUIT 2 OPEN - TIPM
For a complete wiring diagram Refer to Section 8W.
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AUTOMATIC - CVT-ELECTRICAL DIAGNOSTICS
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•
When Monitored:
With the ignition on. Battery voltage greater than 10 volts.
•
Set Condition:
An open condition of the Transmission Control Output circuit is detected by the Totally Integrated Power Mod-
ule (TIPM).
Possible Causes
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT OPEN
TOTALLY INTEGRATED POWER MODULE (TIPM)
Always perform the CVT Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 -
TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - STANDARD PROCEDURE)
Diagnostic Test
1.
CHECK IF THE DTC IS ACTIVE
Ignition on, engine not running.
With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
>> Go to 2
No
>> Go to 4
2.
CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN
Turn the ignition off to the lock position.
Disconnect the TCM C1 harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Ignition on, engine not running.
Using the scan tool under the TIPM Actuators, actuate the Transmission.
Using a 12-volt test light connected to ground, check the (T16) Transmission Control Output circuits.
NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the
battery.
Does the test light illuminate brightly?
Yes
>> Go To 3
No
>> Repair the (T16) Transmission Control Output circuit for an open.
Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT -
STANDARD PROCEDURE)
3.
TOTALLY INTEGRATED POWER MODULE
Using the schematics as a guide, inspect the wire harness and connectors.
Check the TIPM harness connector terminals for corrosion, damage, or terminal push out.
Pay particular attention to all power and ground circuits.
Were any problems found?
Yes
>> Repair as necessary.
Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT -
STANDARD PROCEDURE)
No
>> Replace and program the TIPM per Service Information.
Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT -
STANDARD PROCEDURE)
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AUTOMATIC - CVT-ELECTRICAL DIAGNOSTICS
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4.
INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
Look for the data to change or for the DTC to reset during the wiggle test.
Were any problems found?
Yes
>> Repair as necessary.
Perform CVT VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT -
STANDARD PROCEDURE)
No
>> Test complete.
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AUTOMATIC - CVT-ELECTRICAL DIAGNOSTICS
21 - 117
P128E-TCM POWER CONTROL CIRCUIT 2 OVERCURRENT - TIPM
For a complete wiring diagram Refer to Section 8W.
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AUTOMATIC - CVT-ELECTRICAL DIAGNOSTICS
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