K33 HVAC Control Module X4

2010 Chevrolet Malibu LT, 3.6 7SECTION K33 HVAC Control Module X4
WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: K33 HVAC Control Module X4 Connector End View
GM1715228Courtesy of GENERAL MOTORS CORP.
K33 HVAC Control Module X4

Pin Wire Circuit Function
1 0.35 L-GN/WH 3177 Mode Door Stepper Motor Passenger Control (1)
2 0.35 L-BU/WH 3178 Mode Door Stepper Motor Passenger Control (2)
3 0.35 GY/WH 3179 Mode Door Stepper Motor Passenger Control (3)
4 0.35 D-GN/WH 3180 Mode Door Stepper Motor Passenger Control (4)
5 0.35 YE/BK 3181 Temp Door Stepper Motor Passenger Control (1)
6 0.35 WH/BK 3182 Temp Door Stepper Motor Passenger Control (2)
7 0.35 TN/WH 3183 Temp Door Stepper Motor Passenger Control (3)
8 0.35 PU/WH 3184 Temp Door Stepper Motor Passenger Control (4)
9 0.35 TN 517 Upper Right Air Temperature Sensor Signal
10 0.8 OG 7572 HVAC Motor Supply Voltage
11 0.35 TN 518 Lower Left Air Temperature Sensor Signal
12 0.35 TN 520 Lower Right Air Temperature Sensor Signal
13 0.35 TN/BK 3185 Mode Door Stepper Motor Rear Control (1)
14 0.35 L-GN/BK 3186 Mode Door Stepper Motor Rear Control (2)
15 0.35 L-BU/BK 3187 Mode Door Stepper Motor Rear Control (3)
16 0.35 GY/BK 3188 Mode Door Stepper Motor Rear Control (4)
17 0.35 L-GN 3189 Temp Door Stepper Motor Rear Control (1)
18 0.35 GY 3190 Temp Door Stepper Motor Rear Control (2)
19 0.35 D-BU 3191 Temp Door Stepper Motor Rear Control (3)
20 0.35 YE/BK 3192 Temp Door Stepper Motor Rear Control (4)
Connector Part Information 
  • Harness: HVAC
  • OEM: 15491304
  • Service: 15126710
  • Description: 20-Way F USCAR 64 Series (GY)
Terminal Part Information 
  • Terminal/Tray: SAIT-A03T-M064/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)
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:

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