Chevrolet P163D: Glow Plug Control Module Secondary Circuit

Is your scanner showing Chevrolet P163D?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chevrolet P163D: Glow Plug Control Module Secondary Circuit

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$100-$400
Can I Still Drive?
:
No

What Does The Chevrolet P163D Code Mean?

DTC will set when any of the following conditions exists:

  • Glow plug control module detects 0 volts on the Ignition 1 Signal circuit while glow plugs are commanded ON for greater than 1000 ms.
  • Glow plug control module detects voltage on the glow plug supply voltage circuit when glow plugs are commanded OFF for greater than 60 ms.
  • Glow plug control module detects a ground offset greater than 1.5 volts between the glow plug control module Signal Ground circuit and glow plug ground circuits while the glow plugs are commanded ON for greater than 200 ms.

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Dorman Diesel Glow Plug Controller

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Chevrolet P163D, DTCDECODE.

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