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Electronic Brake Control Module (EBCM)

WARNING: This page is about a different car, the 2009 Saturn Outlook, 2009 GMC Acadia, 2009 Chevrolet Traverse, and 2009 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 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 or UZR or UVB)
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 12-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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