2018 Buick Regal BaseFACTORY OEM SERVICE PROCEDURE

K9 Body Control Module X6

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
GM2906951Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Body
  • OEM Connector: 13581577
  • Service Connector: 13581577
  • Description: 27-Way F 0.64, 2.8 Series (PK)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Name Core Crimp Insulation Crimp
I 13582297 J-35616-64B (LT BU) J-38125-215A Not Available Not Available Not Available Not Available
II 13582326 J-35616-35 (VT) J-38125-553 8100-4444 Sumitomo 22 2 A
Pin Size Color Circuit Function Terminal Type ID Option
1 0.75 GY 5911 Door Lock Actuator Lock Control 2 II -
2 1 GY 295 Door Lock Actuator Lock Control II -
3 1 BK 2050 Ground 20 II -
4 1 BN/YE 294 Door Lock Actuator Unlock Control II -
5 0.35 VT/WH 1303 Liftgate Ajar Switch Signal 1 I -
6 0.35 BN/WH 781 Driver Door Lock Switch Unlock Signal I -
7 - 8 - - - Not Occupied - -
9 0.5 GN/BU 6133 Body Control Module LIN Bus 2 I -
10 0.35 GN/YE 6134 Body Control Module LIN Bus 3 I -
11 - 12 - - - Not Occupied - -
13 0.35 VT/BK 6568 Front Turn Signal Lamp Feedback Signal I -
14 0.35 WH/YE 7545 Right Front Turn Signal Lamp Feedback Signal I -
15 0.35 YE/BU 5797 Rear Closure Handle Switch Open Signal I -
16 0.5
0.35
GN/BN
GN/BN
6132
6132
Body Control Module LIN Bus 1
Body Control Module LIN Bus 1
I
I
CF5
CF5/C3U
17 - - - Not Occupied - -
18 0.35 BU 2500 High Speed GMLAN Serial Data [+] 1 I -
19 0.35 WH 2501 High Speed GMLAN Serial Data [-] 1 I -
20 - 21 - - - Not Occupied - -
22 0.35 GY 5054 Sport Mode Switch Signal I F45
23 - - - Not Occupied - -
24 0.35 BU 2500 High Speed GMLAN Serial Data [+] 1 I -
25 0.35 WH 2501 High Speed GMLAN Serial Data [-] 1 I -
26 - 27 - - - Not Occupied - -
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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