K33A HVAC Control Module - Auxiliary

2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION K33A HVAC Control Module - Auxiliary
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM328486Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Headliner
  • OEM Connector: 12040747
  • Service Connector: 12101938
  • Description: 12-Way P/C Edgeboard Standard Series (BK)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Name Core Crimp Insulation Crimp
I 19330178 J-35616-4A (PU) J-38125-12A 12040511 Delphi 3 E A
Pin Size Color Circuit Function Terminal Type ID Option
A 0.35 VT 5260 Dual Logic Module Front Temperature Signal I -
B 0.35 OG 2775 Rear Air Temperature Motor Control I -
C 0.35 BN 5263 Dual Logic Module Rear Temperature Signal I -
D 0.35 VT/WH 5264 Dual Logic Module Rear Mode Signal I -
E 0.35 TN 5261 Dual Logic Module Front Mode Signal I -
F 0.35 GY 2599 Rear Mode Motor Signal I -
G - - - Not Occupied - -
H 0.35 BK 1850 Ground I -
J 0.35 BN 341 Run Ignition 3 Voltage I -
K - - - Not Occupied - -
L 0.35 PK/BK 5265 Dual Logic Module Rear Control Signal I -
M 0.35 YE 5262 Dual Logic Module Rear Control Enable Signal I -
RENDER: 1.0x

NO RELATED

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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.