Error code
OBD2 P2304
OBD2P2304
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Ignition Coil 'B' Primary Control Circuit High.
Severity
moderateCan drive but may experience engine misfires and reduced performance.
Summary
P2304 indicates an issue with the primary control circuit of ignition coil B being too high, which could be due to wiring problems or issues within the ignition coil itself.
Common Causes
- Wiring short to positive
- Ignition coil failure
Fixes
- Replace the faulty ignition coil or repair wiring issues.
FAQ
What does P2304 mean?
P2304 indicates a problem with the primary control circuit of ignition coil B, often due to wiring shorts or ignition coil failure.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2300Ignition Coil 'A' Primary Control Circuit Low
- P2301Ignition Coil 'A' Primary Control Circuit High
- P2302Ignition Coil 'A' Secondary Circuit
- P2303Ignition Coil 'B' Primary Control Circuit Low
- P2305Ignition Coil 'B' Secondary Circuit
- P2306Ignition Coil 'C' Primary Control Circuit Low
- P2307Ignition Coil 'C' Primary Control Circuit High
- P2308Ignition Coil 'C' Secondary Circuit
- P2309Ignition Coil 'D' Primary Control Circuit Low
- P2310Ignition Coil 'D' Primary Control Circuit High
- P2311Ignition Coil 'D' Secondary Circuit
- P2312Ignition Coil 'E' Primary Control Circuit Low