Where is the TCM located

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ID Status Date Year Make Model Transmission Type A/C Controls Public/Private
#13083 Closed 2004 saturn ion public

2 door with hatch doors. I believe it is referred as an Ion 3. 22 liter ecotech
Sparky

It is number three in the following diagram.

Front View Automatic Transmission

(1) Throttle Body
(2) Fuse Block Underhood C1
(3) Transmission Control Module (TCM)
(4) Engine Control Module (ECM)
(5) Park/Neutral Position (PNP) Switch
(6) Engine Oil Pressure (EOP) Switch
(7) C100 Engine Harness to Transmission Harness
(8) G105
(9) Crankshaft Position (CKP) Sensor
(10) Starter Motor
(11) Knock Sensor Pigtail Connector
(12) A/C High Pressure Switch
(13) A/C Compressor
(14) Generator
(15) C150 Engine Harness to Fuel Injector Harness

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