Automatic Transmission Control Module. Engine Control Module ((ECM)) (AT).

Part Number: 31711AA230
Supersession(s): 31711AA231

78-86 NA. A Module in a Vehicle used to Monitor and Control many components of the Vehicles Engine Management System. Unit AT Control.

UNIT ASSEMBLY-AT CONTROL Engine Control Module (ECM)Automatic Transmission Control Module

Fits XT (1985 - 1991)

Trans Control Module
The transmission control module is known by several names—the TCM, PCM, ECM, ECU, PGM-FI—and the problems associated with them can be esoteric. But our Subaru technicians are experts in diagnosing and repairing the problems associated with the control module in your Subaru XT.

This product fits 3 vehicle variants.
Subaru: 1 models, 3 variants between 1985 and 1987.
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