GMC P122A: Fuel Injector 3 Control Circuit Shorted

Is your scanner showing GMC P122A?
No worries. We'll show you what it means and how to deal with it.

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GMC P122A: Fuel Injector 3 Control Circuit Shorted

DIY Difficulty Level
Repair Cost
Can I Still Drive?

What Does The GMC P122A Code Mean?

Engine speed is greater than 600 RPM. The charging system voltage is between 10-18 V.

What Are The Potential Causes Of The GMC P122A Code?

  • The ECM injector output driver detects an incorrect current on a fuel injector circuit.
  • The condition exists for less than 1 s.

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
>>> GM Genuine Parts 12633238 Engine Control Module
>>> 8Pcs Fuel Injector 2 Holes

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

Reference Sources


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