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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 915 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Component Locator >> Automatic Transmission Related Connectors >> Transmission Control Module (TCM), Engine Side

Transmission Control Module (TCM), Engine Side

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transmission Control Module (TCM), Engine Side Connector End View
GM1530595Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM), Engine Side Connector Parts Information

Connector Part Information 
  • OEM: 15463921
  • Service: 89046898
  • Description: Conn 49-Way F Micro-64 GT 280 Series Sealed (BK)

Terminal Part Information 
  • Terminal/Tray: 15356826
  • Core/Insulation Crimp: C
  • Release Tool/Test Probe: See Terminal Repair Kit
Transmission Control Module (TCM), Engine Side Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 BN 418 TCC PWM Solenoid Valve Control
2 L-GN 1222 1-2 Shift Solenoid Valve Control
3 OG 1983 ISS Signal
4 - - Not Used
5 OG/BK 6399 Replicated TOS Signal
6 TN 2501 High Speed GMLAN Serial Data Bus -
7 TN/BK 2500 High Speed GMLAN Serial Data Bus +
8-10 - - Not Used
11 D-BU 5985 Accessory Wake Up Serial Data
12-13 - - Not Used
14 WH 687 3-2 Shift Solenoid Valve Control
15 - - Not Used
16 L-GN/BK 822 VSS High Signal
17 L-BU/WH 1229 PC Solenoid Valve Low Control
18-19 - - Not Used
20 YE/BK 1223 2-3 Shift Solenoid Valve Control
21-22 - - Not Used
23 GY 773 Transmission Range Switch Signal C
24 PK 1224 Transmission Fluid Pressure Switch Signal A
25 TN/BK 422 TCC Solenoid Valve Control
26-28 - - Not Used
29 TN/WH 771 Transmission Range Switch Signal A
30 TN 2762 Low Reference
31 PK 2139 Ignition 1 Voltage
32 RD/WH 1840 Battery Positive Voltage
33 OG 1226 Transmission Fluid Pressure Switch Signal C
34 - - Not Used
35 YE/BK 1227 TFT Sensor Signal
36 - - Not Used
37 TN 2501 High Speed GMLAN Serial Data Bus -
38 TN/BK 2500 High Speed GMLAN Serial Data Bus +
39 WH 776 Transmission Range Switch Signal P
40 OG/BK 1228 PC Solenoid Valve High Control
41 PU/WH 821 VSS Low Signal
42 L-BU/WH 6311 Brake Switch Signal
43 - - Not Used
44 D-BU 1225 Transmission Fluid Pressure Switch Signal B
45 L-BU 1984 Low Reference
46 YE 772 Transmission Range Switch Signal B
47-48 - - Not Used
49 BK/WH 451 Ground
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