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E L E C T R I C A L C O M P O N E N T S
PCM (Powertrain Control Module)
• The Powertrain Control Module (PCM),
which is mounted behind the battery on the
drivers side inner fender panel, uses sensor
inputs to control actuators and send fueling
commands to the FICM.
• The PCM controls the fuel and air
management systems on the 6.0L Power
Stroke.
Glow Plug System
• The glow plug system is used to warm the
air in the cylinders to enhance cold weather
startability and reduce start up smoke.
• The glow plug system is PCM controlled.
GPCM (Glow Plug Control Module)
• The GPCM (Glow Plug Control Module) is a
unit that controls the glow plugs in order to
warm the air in the cylinders.
• The GPCM uses a glow plug enable signal
to turn the glow plugs on for a time
controlled by the PCM.
• The GPCM is capable of diagnosing a
problem with one glow plug and then
sending a diagnostic signal to the PCM.
• It also has the ability to turn off one glow
plug if a short is detected in that circuit.
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GPCM
GPCM
PCM
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