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DTC P0864 TCM COMMUNICATION CIRCUIT RANGE/PERFORMANCE

DTC P0864 TCM COMMUNICATION CIRCUIT RANGE/PERFORMANCE

DTC DETECTING CONDITION:


Two consecutive driving cycles with fault

GENERAL DESCRIPTION


Important

After repair or replacement of faulty parts, conduct Clear Memory Mode and Inspection Mode .


WIRING DIAGRAM:


CHECK DRIVING CONDITION.

Start and warm-up the engine until the radiator fan makes one complete rotation.

Drive the vehicle.

Is the AT shift control functioning properly?

Yes


No

Replace the TCM.


CHECK ACCESSORY.

Are car phone and/or CB installed on vehicle?

Yes

Repair the grounding line of car phone or CB system.


No

Replace the TCM.