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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 561 (AUTOMATIC TRANSAXLE - 4T65-E (INTRODUCTION, SERVICE & REPLACEMENT))COMPONENT LOCATORAUTOMATIC TRANSMISSION RELATED CONNECTOR END VIEWS
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F

Automatic Transmission Related Connector End Views

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Automatic Transmission Related Connector End Views
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Control Module (TCM) Connector, Engine Side

GM1372727Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • PE096707
  • Conn 49 F Micro-64 GT 280 (BK) Sealed
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 RD/BK 1230 ISS High Signal
4-5 - - Not Used
6 TN 2501 High Speed GMLAN Serial Data Bus - (CAN)
7 TN/WH 2500 High Speed GMLAN Serial Data Bus + (CAN)
8 - - Not Used
9 WH 1804 TCC Release Switch Signal
10 - - Not Used
11 D-GN 500 Ignition 0 Voltage
12-13 - - Not Used
14 L-BU 1296 Axle Actuator Control
15 - - Not Used
16 PU 401 VSS Low 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
24-25 - - Not Used
26 D-BU/WH 1231 ISS Low Signal
27 YE 2470 Class 2 Serial Data
28 - - Not Used
29 BK/WH 771 Transmission Range Switch Signal A
30 BK 2762 TFT Sensor Low Reference
31 PK 439 Ignition 1 Voltage
32 OG 4340 Battery Positive Voltage
33-34 - - Not Used
35 YE/PK 1227 TFT Sensor Signal
36 - - Not Used
37 TN 2501 High Speed GMLAN Serial Data Bus - (CAN)
38 TN/WH 2500 High Speed GMLAN Serial Data Bus + (CAN)
39 WH 776 Transmission Range Switch Signal P
40 RD/BK 1228 PC Solenoid Valve High Control
41 YE 400 VSS High Signal
42 WH 17 Stop Lamp Switch Signal
43-45 - - Not Used
46 YE 772 Transmission Range Switch Signal B
47-48 - - Not Used
49 BK/WH 451 Ground
Transmission Shift Interlock/TCC Brake Switch Connector, Wiring Harness Side

GM40397Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12033706
  • 4-Way F Metri-Pack 280 Series (BU)
Pin Wire Color Circuit No. Function
A OG/BK 1786 Park/Neutral Signal 1
B D-GN/WH 1135 Brake Switch Shift Interlock Input
C PK 1239 TCC Brake Switch Ignition 1 Voltage
D PU 420 TCC Brake Switch Signal
Vehicle Speed Sensor Connector, Wiring Harness Side

GM646406Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15336004
  • 2-Way F Metri-Pack GT 150 P2S Series (BK)
Pin Wire Color Circuit No. Function
A PU 401 VSS Low Signal
B YE 400 VSS High Signal
RENDER: 1.0x

NO RELATED

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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.