2006 GMC Sierra 1500, 2D Pickup, 5.3 Z, 4WD, Part TimeFACTORY OEM SERVICE PROCEDURE

Transmission Control Module Connector End View

Transmission Control Module (TCM) 80-Way Connector

GM1653286Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: 13551663
  • Service:
  • Description: 80-Way
Pin  Wire Color  Circuit No.  Function 
1 - - Not Used
2 PU 420 Torque Converter Clutch (TCC) Brake Switch/Cruise Control Release Signal
3-4 - - Not Used
5 OG/BK 483 Requested Torque Signal
6 TN/WH 2500 High Speed GMLAN Serial Data Bus High
7-8 - - Not Used
9 BK/WH 451 Ground
10 OG 4440 Battery Positive Voltage
11 RD/BK 1228 Actuator Supply Voltage 1 (HSD1)
12-13 - - Not Used
14 GY 773 Transmission Range Switch Signal C
15-16 - - Not Used
17 PK 1224 Fluid Pressure Switch Signal 1
18 YE 400 Vehicle Speed Sensor (VSS) Signal High
19 - - Not Used
20 L-BU 1984 Transmission Turbine Speed Switch Low
21 - - Not Used
22 WH 2467 Unmanaged Torque Signal
23 YE 2522 Power Take-Off (PTO) Engage Signal
24-25 - - Not Used
26 TN/WH 2500 High Speed GMLAN Serial Data Bus High
27 TN 2501 High Speed GMLAN Serial Data Bus Low
28 - - Not Used
29 D-BU 2466 Transmission Malfunction Indicator Lamp (MIL) Request Signal
30-32 - - Not Used
33 YE/BK 1223 Shift Solenoid 2 (SS2) Low
34 WH 776 Transmission Range Switch Signal P
35 - - Not Used
36 BN/WH 2469 Pressure Control Solenoid 2 (PCS2) Low
37-38 - - Not Used
39 D-BU/BK 1231 Automatic Transmission Input Speed Sensor (AT ISS) Signal Low
40 L-GN/BK 822 Vehicle Speed Sensor (VSS) Signal Low
41 - - Not Used
42 GY/BK 1694 Four Wheel Drive (4WD) Low Signal
43 PU 806 Crank Voltage
44 TN/BK 464 Delivered Torque Signal
45 - - Not Used
46 YE 2470 Class 2 Serial Data
47 L-BU 6106 High Speed GMLAN Serial Data Bus Low
48-50 - - Not Used
51 OG/WH 2527 Shift Solenoid 3 (SS3) Low
52 L-GN 1222 Shift Solenoid 1 (SS1) Low
53 YE 772 Transmission Range Switch Signal B
54 YE/BK 1227 Transmission Fluid Temperature (TFT) Sensor Signal
55 L-BU/WH 1229 Pressure Control Solenoid 1 (PCS1) Low
56 PU 5526 Driver Shift Request Signal
57 RD 1226 Fluid Pressure Switch Signal 3
58 BK 2762 Transmission Fluid Temperature (TFT) Sensor Return
59 RD/BK 1280 Automatic Transmission Input Speed Sensor (AT ISS) Signal High
60 PU/WH 821 Vehicle Speed Sensor (VSS) Signal High
61-62 - - Not Used
63 PK 1020 Ignition 0 Voltage
64-65 - - Not Used
66 D-BU 6105 High Speed GMLAN Serial Data Bus High
67-68 - - Not Used
69 BK/WH 451 Ground
70 - - Not Used
71 BN 323 Actuator Supply Voltage 2 (HSD2)
72 - - Not Used
73 BK/WH 771 Transmission Range Switch Signal A
74 D-BU 1530 Mod Main Pressure Control Solenoid Low
75-76 - - Not Used
77 L-GN/BK 2529 Fluid Pressure Switch Signal 4
78 BN 418 Torque Converter Clutch Pressure Control Solenoid (TCC PCS) Low
79 D-BU 1225 Fluid Pressure Switch Signal 2
80 OG 1983 Transmission Turbine Speed Switch Signal
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.