FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Internal Controller

(P0702) INTERNAL CONTROLLER





When Monitored and Set Condition
- When Monitored: Always monitored with system active at each ignition cycle.
- Set Condition: This code is set whenever Transmission Control Module (TCM) senses an internal error. If the Internal Controller DTC is set with any Solenoid DTCs, repair the Solenoid DTCs first, erase all DTCs, then verify the Internal Controller DTC sets again before replacing the TOM.

POSSIBLE CAUSES
- TRANSMISSION CONTROL MODULE

Diagnostic Test
1. TRANSMISSION CONTROL MODULE





The Transmission Control Module is reporting internal errors and must be replaced.
View repair.
Repair >> Replace the Transmission Control Module.
Perform NAG1 TRANSMISSION VERIFICATION TEST. Verification Tests