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HOMESERVICE MANUALSCHEVROLET2025TRAILBLAZER LS, 1.2L ENG VIN PREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALBODY ELECTRICALCOMPONENT CONNECTOR END VIEWS (K71-M81)COMPONENT CONNECTOR END VIEWSK160 BRAKE SYSTEM CONTROL MODULE
2025 Chevrolet Trailblazer LS, 1.2L Eng VIN P

K160 Brake System Control Module

2025 Chevrolet Trailblazer LS, 1.2L Eng VIN PSECTION K160 Brake System Control Module
GM4162046Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Body Wiring Harness
  • OEM Connector: 35232279
  • Service Connector: 85090369
  • Description: 46-Way F 1.2 OCS, 2.8 CTS, 4.8 CTA Series, Sealed (GY)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 13575368 J-35616-35 (VT) J-38125-36
II 19370818 J-35616-12 (BU) J-38125-215A
III 84634921 J-35616-42 (RD) J-38125-212
Pin Size Color Circuit Function Terminal Type ID Option
1 6 BK 250 Ground III  
2 2.5 GN / VT 1988 Right Park Brake Motor Apply Control I  
3 2.5 GY 4368 Right Park Brake Motor Low Reference I  
4 - - - Not Occupied - -
5 0.35 BU / YE 6105 High Speed GMLAN Serial Data [+] 2 II  
6 - - - Not Occupied - -
7 0.75 GY 830 Left Front Wheel Speed Sensor Signal II  
8 0.5 VT / YE 5985 Accessory Wake-Up Serial Data II  
9 0.35 BU / BK 6108 Park Brake Release Switch Signal II  
10 0.5
0.35		 BU
BU		 2500
2500		 High Speed GMLAN Serial Data [+] 1
High Speed GMLAN Serial Data [+] 1		 II
II		 F48
FWD
11 0.5 BU 2500 High Speed GMLAN Serial Data [+] 1 II  
12 2.5 GY / BK 4369 Left Park Brake Motor Low Reference I  
13 2.5 WH 2001 Left Park Brake Motor Apply Control I  
14 6 RD / GY 402 Battery Positive Voltage III  
15 0.35 BN 6107 Park Brake Apply Switch Signal II  
16 - - - Not Occupied - -
17 0.35 BU / VT 1134 Park Brake Switch Signal II  
18 - - - Not Occupied - -
19 0.35 WH 6106 High Speed GMLAN Serial Data [-] 2 II  
20 0.5 GY / YE 7128 Right Rear Wheel Speed Sensor Control II  
21 0.75 GY / WH 7064 Left Front Wheel Speed Sensor Control II  
22 - - - Not Occupied - -
23 0.5 BU 884 Left Rear Wheel Speed Sensor Signal II  
24 0.5
0.35		 WH
WH		 2501
2501		 High Speed GMLAN Serial Data [-] 1
High Speed GMLAN Serial Data [-] 1		 II
II		 F48
FWD
25 0.5 WH 2501 High Speed GMLAN Serial Data [-] 1 II  
26 0.75 YE 872 Right Front Wheel Speed Sensor Signal II  
27 - - - Not Occupied - -
28 0.35 YE / RD 7683 Park Brake Release Switch Voltage Reference II  
29 0.35 YE 1492 Park Brake Switch Supply Voltage II  
30 6 BK 2050 Ground III  
31 - 35 - - - Not Occupied - -
36 0.5 VT / GY 539 Run/Crank Ignition 1 Voltage II  
37 0.5 VT 882 Right Rear Wheel Speed Sensor Signal II  
38 0.5 GN / GY 333 Brake Fluid Level Signal II  
39 0.5 GY / BK 7127 Left Rear Wheel Speed Sensor Control II  
40 - 41 - - - Not Occupied - -
42 0.75 GY / BN 7065 Right Front Wheel Speed Sensor Control II  
43 - - - Not Occupied - -
44 0.35 GY / RD 7684 Park Brake Apply Switch Voltage Reference II  
45 - - - Not Occupied - -
46 6 RD / YE 240 Battery Positive Voltage III  
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.