P2305 - OBD II Trouble Code

Our automotive experts have put together the following information about the P2305 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 P2305 code.

What Does P2305 Code Mean?

OBD-II Code P2305 is defined as a Ignition Coil "B" Secondary Circuit

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 P2305.

P2305 Symptoms

• Decreased engine performance
• Increased fuel consumption

Common Problems That Trigger the P2305 Code

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

Common Repairs Needed for the P2305 Code

• Ignition Coil Replacement