2006 Chevrolet Suburban K1500, 5.3 ZFACTORY OEM SERVICE PROCEDURE

Throttle Actuator Control (TAC) Module Connector End View - C2

Fig 1: Throttle Actuator Control (TAC) Module - C2 Connector View
GM666638Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

Connector Part InformationΒ 
  • OEM: 12177081
  • Service: 15305916
  • Description: 10-Way F 150 Series Sealed (NA)
Throttle Actuator Control (TAC) Module - C2

Connector Part Information
  • 12177081
  • 10-Way F 150 Series Sealed (NA)
Pin Wire Color Circuit No. Function
A - - Not Used
B PU 1272 5-Volt Reference
C L-BU 1162 APP Sensor 2 Signal
D TN 1274 Low Reference
E - - Not Used
F D-BU 1161 APP Sensor 1 Signal
G WH/BK 1164 5-Volt Reference
H - - Not Used
J BN 1271 Low Reference
K - - Not Used
Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no 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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.