Buick 2014 LaCrosse Owner's Manual page 285

1 Transmission
Control Module
Battery
2 Engine Control
Module Battery
3 Air Conditioning
Compressor Clutch
5 Engine Control
Module Run/Crank
7 Long Range Radar/
Front Camera
8 Ignition Coils
(Six Cylinder
Engine), Ignition
Coils All (Four
Cylinder Engine)
9 Ignition Coils
(Six Cylinder
Engine)
10
11
Even
13
Odd
14
Engine Control
Module Switched
Battery (from Engine
Control Module
Relay)
Six Cylinder Engine:
Post Catalytic
Converter Oxygen
Sensor Heater,
Mass Air Flow
Sensor, Flex Fuel
Sensor, Secondary
Air Induction
Solenoid
Crank for
Transmission
Control Module/Fuel
Pump Power/
Chassis Control
Module (eAssist)
Cabin Heater
Coolant Pump
(eAssist)/Secondary
Air Injector/
Secondary Air
Injector with
Pressure Sensor
15 Motor Generator
Unit Coolant Pump
(eAssist)
16 Run/Crank for
eAssist Power
Inverter Module
17 Not Used
18 Sunshade Module,
Vehicle Air
Purification System,
Vented Seats
20 Heated Steering
Wheel (non eAssist)
23 Variable Effort
Steering (if
equipped) or eAssist
Power Inverter
Module
29 Heated Seat, Left/
Power Lumbar