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Electronic Brake Control Module (EBCM)

WARNING: This page is about a different car, the 2008 Saturn Outlook, 2008 GMC Acadia, and 2008 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Electronic Brake Control Module (EBCM) Connector End View
GM1862109Courtesy of GENERAL MOTORS CORP.
Electronic Brake Control Module (EBCM)

Pin Wire Circuit Function
1 3 RD/BK 142 Battery Positive Voltage
2 0.5 GY 6031 5-Volt Reference
3 0.5 WH 320 Engine Mount Solenoid Control (W49)
4 - - Not Used
5 0.5 WH 1294 Variable Effort Steering Actuator Supply Voltage (NV7)
6 0.5 TN 833 Low Reference
7-9 - - Not Used
10 0.5 OG 6030 Brake Vacuum Sensor Signal
11 0.5 D-GN/WH 817 Vehicle Speed Signal (U3R/UZR)
12 0.5 L-BU 2088 Low Reference
13 3 BK/WH 251 Ground
14 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
15 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
16 0.5 YE/BK 6032 Low Reference
17 - - Not Used
18 0.5 D-GN 872 Right Front Wheel Speed Sensor Signal
19 0.5 BN 882 Right Rear Wheel Speed Sensor Signal
20 0.5 OG 885 Low Reference
21 0.5 L-BU 830 Left Front Wheel Speed Sensor Signal
22-23 - - Not Used
24 0.5 L-GN/BK 6432 CAN Bus Low Serial Data
25 2 RD/WH 3540 Battery Positive Voltage
26 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
27 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
28 0.5 BN 1295 Variable Effort Steering Actuator Control (NV7)
29-30 - - Not Used
31 0.5 WH 883 Low Reference
32 0.5 D-GN 2087 5-Volt Reference
33 0.5 TN 884 Left Rear Wheel Speed Sensor Signal
34 0.5 YE 873 Low Reference
35 0.5 L-BU 5986 Communication Enable
36 - - Not Used
37 0.5 TN/WH 6433 CAN Bus High Serial Data
38 2 BK/WH 251 Ground
Connector Part Information 
  • OEM: 31381-1005
  • Service: See Catalog
  • Description: 38-Way F 2.8 Series, Sealed (BK)
Terminal Part Information 
  • Pins: 1, 13, 25, 38
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 2, 3, 5, 6, 10-12, 14-16, 18-20, 21, 24, 26-28, 31-35, 37
  • Terminal/Tray: 7116-3703-02/14
  • Core/Insulation Crimp: 9/9
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)
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