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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1830 (Automatic Transaxle - 4T45-E - Introduction (2 Of 2)) >> Component Locator >> Automatic Transmission Related Connector End Views >> Transmission Control Module (TCM) C2 (2.2L)

Transmission Control Module (TCM) C2 (2.2L)

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transmission Control Module (TCM) C2 (2.2L) Connector End View
GM890236Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) C2 (2.2L) Connector Parts Information

Connector Part Information 
  • OEM: 15326594
  • Service: see catalog for connector
  • Description: Siemens Socket Header 37-Way (BU)
Terminal Part Information 
  • Terminal/Tray: see terminal repair kit
  • Core/Insulation Crimp: see terminal repair kit
  • Release Tool/Test Probe: see terminal repair kit
Transmission Control Module (TCM) C2 (2.2L) Connector Terminal Identification

Pin Wire Color Circuit No. Function
22 D-BU/WH 1231 ISS Low Signal
23 PU 401 VSS Low Signal
24 OG/BK 586 Low Reference
25 WH 1804 TCC Release Switch Signal
26-32 - - Not Used
33 TN 2501 High Speed GMLan Serial Data Bus +
34 TN/WH 2500 High Speed GMLan Serial Data Bus -
35 WH 776 Transmission Range Signal P
36 - - Not Used
37 L-GN 1222 1-2 Shift Solenoid Valve Control
38 - - Not Used
39 BK 650 Ground
40-42 - - Not Used
43 RD/BK 1230 ISS High Signal
44 YE 400 VSS High Signal
45-47 - - Not Used
48 L-BU 20 Stop Lamp Switch Signal
49-50 - - Not Used
51 YE/BK 1227 Transmission Fluid Temperature Sensor Signal
52 BN/WH 2960 Keyword Serial Data
53-58 - - Not Used
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