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HOMESERVICE MANUALSCADILLAC2011CTS V, 2D COUPE, STANDARDREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - DOOR HANDLE SWITCH THROUGH FOG LAMPCOMPONENT CONNECTOR END VIEWSELECTRONIC BRAKE CONTROL MODULE (EBCM) (WITHOUT MX7)
2011 Cadillac CTS V, 2D Coupe, Standard

Electronic Brake Control Module (EBCM) (without MX7)

2011 Cadillac CTS V, 2D Coupe, StandardSECTION Electronic Brake Control Module (EBCM) (without MX7)
Fig 1: Electronic Brake Control Module (EBCM) (without MX7)
GM1986146Courtesy of GENERAL MOTORS CORP.
Electronic Brake Control Module (EBCM) (without MX7)

Pin Wire Circuit Function
1 5 BK 1150 Ground
2 0.5 WH 883 Right Rear Wheel Speed Sensor Low Reference
3 0.5 BN 882 Right Rear Wheel Speed Sensor Signal
4 0.5 TN 884 Left Rear Wheel Speed Sensor Signal
5 0.5 OG 885 Left Rear Wheel Speed Sensor Low Reference
6 0.5 TN 833 Right Front Wheel Speed Sensor Low Reference
7 - - Not Used
8 0.35 OG 6030 Brake Booster Vacuum Sensor Signal (LF1 or LLT)
9 0.35 BN 7448 Vacuum Pump Relay Control (LF1 or LLT)
10-11 - - Not Used
12 0.35 L-BU 5986 Serial Data Communication Enable
13 5 RD/BK 42 Battery Positive Voltage
14 0.5 BN 1295 Variable Effort Steering Actuator Control
15 - - Not Used
16 0.35 YE/BK 6032 Low Reference (LF1 or LLT)
17 0.5 D-GN 872 Right Front Wheel Speed Sensor Signal
18 0.35 GY 1056 Steering Wheel Position Sensor 5-Volt Reference Voltage
19 0.35 GY/BK 1337 5-Volt Reference
20 - - Not Used
21 0.35 L-GN/BK 6432 CAN Bus Low Serial Data (MX0 or MV7)
22 - - Not Used
23 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
24 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
25 2 BK 1150 Ground
26 0.5 WH 1294 Variable Effort Steering Actuator Supply Voltage
27 - - Not Used
28 0.5 L-BU 830 Left Front Wheel Speed Sensor Signal
29 0.5 YE 873 Left Front Wheel Speed Sensor Low Reference
30 - - Not Used
31 0.35 GY 6031 5-Volt Reference (LF1 or LLT)
32 0.35 D-GN/WH 817 Vehicle Speed Signal (LF1 or LSA)
33 0.35 TN/WH 6433 CAN Bus High Serial Data (MX0 or MV7)
34-35 - - Not Used
36 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
37 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
38 2 RD/WH 240 Battery Positive Voltage
Connector Part Information 
  • Harness Type: Engine
  • OEM Connector: 89047376
  • Service Connector: 19178085
  • Description: 38-Way F 250/280/6.3 Series, Sealed (BK)
Terminal Part Information 
  • Pins: 1, 13
  • Terminated Lead: 13578926
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 7116-4142-02/10
  • Core/Insulation Crimp: D/3
  • Pins: 2-12, 14-24, 26-37
  • Terminated Lead: SEALED: 13576388 UNSEALED: 13578917
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: 9/9
  • Pins: 25, 38
  • Terminated Lead: SEALED: 13575392 UNSEALED: 13578903
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
RENDER: 1.0x

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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.