P2300 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P2300 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P2300 code.

What Does P2300 Code Mean?

OBD-II Code P2300 is defined as a Ignition Coil "A" Primary Control Circuit Low

The ignition coil or coils are responsible for igniting the air/fuel mixture inside the combustion chambers. Without reliable performance from the ignition coil(s) the vehicle will stumble and misfire. The engine control module (PCM) has special transistors called "drivers" to turn the Ignition Coil(s) on an off. If the PCM cannot control the Ignition Coil, it will set code P2300.

P2300 Symptoms

  • Decreased engine performance
  • Increased fuel consumption

Common Problems That Trigger the P2300 Code

  • Ignition coil failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue

Common Repairs Needed for the P2300 Code

About the Author

Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.

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