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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) C1 (2.2L)

Transmission Control Module (TCM) C1 (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) C1 (2.2L) Connector End View
GM890242Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) C1 (2.2L) Connector Parts Information

Connector Part Information 
  • OEM: 15326595
  • Service: see catalog for connector
  • Description: Siemens Socket Header 21-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) C1 (2.2L) Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 PK 639 Ignition 1 Voltage
2 - - Not Used
3 BN 323 High Side Driver 2
4 RD/BK 1228 PC Solenoid Valve High Control
5 BN 418 TCC PWM Solenoid Valve Control
6 OG 1440 Battery Positive Voltage
7-8 - - Not Used
9 D-BU 1225 Transmission Fluid Pressure Switch Signal B
10 RD 1226 Transmission Fluid Pressure Switch Signal C
11-13 - - Not Used
14 BK/WH 771 Transmission Range Signal A
15 YE 772 Transmission Range Signal B
16 GY 773 Transmission Range Signal C
17-19 - - Not Used
20 L-BU/WH 1229 PC Solenoid Valve Low Control
21 YE/BK 1223 2-3 Shift Solenoid Valve Control
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