OBD-II Generic Error Code P2307: How to Fix It

Q: Can I drive with code P2307?

It's not recommended. Driving with a misfire can damage the catalytic converter and reduce fuel economy. Have the issue diagnosed promptly.

Q: What is ignition coil C?

Ignition coil C refers to the coil that fires cylinder number C (the third cylinder in the firing order). The specific cylinder depends on engine layout.

Q: Will clearing the code fix it?

Clearing the code may temporarily turn off the check engine light, but if the underlying issue isn't fixed, the code will return.

Q: How much does a replacement ignition coil cost?

Ignition coils typically cost between $30 and $100 for the part. Labor costs vary if you have a shop do it.

Q: What does 'primary control high' mean?

It means the PCM detected a voltage higher than expected in the coil's primary circuit, often due to a short to voltage or internal coil failure.

Abstract

Error code P2307 indicates that the powertrain control module (PCM) has detected a high voltage condition in the primary circuit of ignition coil C. This typically points to a faulty ignition coil, wiring issue, or PCM problem. Follow this guide to diagnose and fix the issue.