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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 492 (Automatic Transmission Diagnostic Procedures) >> Diagnostic Information And Procedures >> Transmission - RFE - Diagnostic Tests >> P0613-Internal TCM >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TEST REFERENCE - P0613-INTERNAL TCM

TEST ACTION APPLICABILITY
1 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
NOTE: Check connectors - Clean/repair as necessary.

Using a 12-volt test light connected to 12-volts, check all four ground circuits in the TCM harness connector.
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 on all four ground circuits?
Yes --> Go To 2
No --> Repair the Ground circuit(s) as necessary. Check main ground connection to engine block and/or chassis.
Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 .
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2 Using the schematics as a guide, inspect the wiring and connectors. Repair as necessary. Pay particular attention to all power and ground circuits.
If there are no possible causes remaining, view repair.
Repair
The Transmission Control Module is reporting internal errors and must be replaced. WITH THE DRBIII® PERFORM QUICK LEARN .
Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 .
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