2015 Chevrolet Tahoe LTZ, 4WDFACTORY OEM SERVICE PROCEDURE

K157 Video Processing Control Module X1

GM1715223
Connector Part Information
  • Harness Type: Body
  • OEM Connector: 15489824
  • Service Connector: 15126711
  • Description: 20-Way F 0.64 Series (BK with WH Terminal Position Assurance)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I 13579944 J-35616-64B (LT BU) J-38125-215A Not Available Not Available Not Available Not Available
Pin Size Color Circuit Function Terminal Type ID Option
1 0.35 D-BU 3373 Auxiliary Video High Signal (2) I -
2 0.35 BK/WH 2551 Signal Ground I -
3 0.35 BK/WH 2551 Signal Ground I -
4 0.35 D-BU 7641 Camera Rear Vision Signal + I -
5 0.35 WH/L-GN 2628 Left Side Vision Camera Video Signal (+) I -
6 0.35 BK/WH 2551 Signal Ground I -
7 0.35 BK/WH 2551 Signal Ground I -
8 0.35 WH/D-BU 2627 Right Side Vision Camera Video Signal (+) I -
9 - 10 - - - Not Occupied - -
11 0.35 GY 3372 Auxiliary Video Low Signal (2) I -
12 0.35 WH/BN 6201 Camera Control I -
13 0.35 WH/BN 6201 Camera Control I -
14 0.35 WH 7642 Camera Rear Vision Signal (-) I -
15 0.35 GY/L-GN 2625 Left Side Vision Camera Video Signal (-) I -
16 0.5 WH/BN 6201 Camera Control I -
17 0.5 WH/BN 6201 Camera Control I -
18 0.35 GY/D-BU 2626 Right Side Vision Camera Video Signal (-) I -
19 - 20 - - - 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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