Automatic Transmission Auxiliary Fluid Pump Control Module X1 (HP2)

2011 Chevrolet Tahoe Base, 5.3 0, 4WDSECTION Automatic Transmission Auxiliary Fluid Pump Control Module X1 (HP2)
Fig 1: Automatic Transmission Auxiliary Fluid Pump Control Module X1 (HP2) Connector End View
GM2202763Courtesy of GENERAL MOTORS CORP.
Automatic Transmission Auxiliary Fluid Pump Control Module X1 (HP2)

Pin Wire Circuit Function
1 0.8 TN 982 Transmission Fluid Pump Diagnostic
2 0.5 OG 300 Ignition Voltage
3 0.8 L-GN 983 Transmission Fluid Pump Control
4 5 RD/WH 4040 Battery Positive Voltage
5 5 BK 450 Ground
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13693103
  • Service Connector: 20817942
  • Description: 5-Way M 312/090 Series, Sealed (BK)
Terminal Part Information
  • Pins: 1-3
  • Terminated Lead: Service by Connector Assembly- 20817942
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-19 (BK)
  • Terminal/Tray: 7114-4025/11
  • Core/Insulation Crimp: E/1
  • Pins: 4, 5
  • Terminated Lead: Service by Connector Assembly- 20817942
  • Release Tool: Not Available
  • Diagnostic Test Probe: Not Available
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.