SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBUICK2010LUCERNE CXL, 3.9 1REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 314 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - 1-2 SHIFT SOLENOID THROUGH ENGINE CONTROL MODULE X1)COMPONENT CONNECTOR END VIEWSAIR SUSPENSION CONTROL MODULE (ASCM) X1 (F38)
2010 Buick Lucerne CXL, 3.9 1

Air Suspension Control Module (ASCM) X1 (F38)

2010 Buick Lucerne CXL, 3.9 1SECTION Air Suspension Control Module (ASCM) X1 (F38)
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Air Suspension Control Module (ASCM) X1 (F38) Connector End View
GM646372Courtesy of GENERAL MOTORS COMPANY
Air Suspension Control Module (ASCM) X1 (F38)

Pin Wire Circuit Function
A 3 D-GN 322 Automatic Level Control Compressor Motor Supply Voltage
B 0.5 OG/YE 5727 High Speed GMLAN Serial Data Wake Up
C 0.5 RD/WH 3340 Battery Positive Voltage
D 0.5 PU 5956 Leveling Compressor Relay Coil Supply Voltage
E 3 BK 1050 Ground (Compressor)
F - - Not Used
G 0.5 BK 850 Ground (ECU)
H 0.5 BN 5955 Leveling Compressor Relay Coil Low Reference
Connector Part Information
  • Harness Type: Body
  • OEM Connector: 15326654
  • Service Connector: 88986254
  • Description: 8-Way F GT 280 5.8 Series, Sealed (BK)
Terminal Part Information
  • Pins: A, E
  • Terminated Lead: 13575403
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Pins: B-D, F-H
  • Terminated Lead: 13578915
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: E/5
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.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.