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Symptom:
P0604-INTERNAL TCM
When Monitored and Set Condition:
P0604-INTERNAL TCM
When Monitored:
Set Condition: The TCM is reporting internal errors and must be replaced.
TCM - INTERNAL ERROR
TEST
1
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
POSSIBLE CAUSES
ACTION
Replace the Transmission Control Module per the Service Infor-
mation. WITH THE DRBIII PERFORM QUICK LEARN AND
REPROGRAM PINION FACTOR.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
TRANSMISSION - EATX
29
APPLICABILITY
All
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