Chevrolet P1023: CNG Fuel Injector 3 Circuit Malfunction

Is your scanner showing Chevrolet P1023?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chevrolet P1023: CNG Fuel Injector 3 Circuit Malfunction

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$350-$850
Can I Still Drive?
:
No

What Does The Chevrolet P1023 Code Mean?

Engine started, system voltage from 6-18v, and the FICM detected an incorrect voltage condition on the circuit that controls the CNG Fuel Injector 3 operation during the CCM test.

What Are The Potential Causes Of The Chevrolet P1023 Code?

  • CNG fuel injector 3 control circuit is open or shorted to ground
  • CNG fuel injector 3 is damaged or it has failed
  • FICM has failed

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 Fuel Injection Throttle Control Actuator Module
>>> YZHIDIANF 17113698 Fuel Injectors FJ315

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

Reference Sources

Chevrolet P1023, DTCDECODE.

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