P2301
Ignition Coil A Secondary Circuit
2019-2024 BMW 3 Series G20 2.0L I4 Turbo B48
High SeverityPowertrainGeneric (SAE)
Description
Fault detected in the secondary winding circuit of ignition coil A (cylinder 1).
Symptoms
- Misfire
- Check engine light
- Poor performance
Common Causes
- Failed ignition coil
- Cracked coil boot
- Spark plug gap too wide
Diagnostic Steps
- Swap coil to different cylinder
- Check spark plug
- Inspect coil boot for carbon tracking
Repair Notes
Replace ignition coil. Check spark plug condition.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2301 on Other Vehicles
Common Questions
What does code P2301 mean on a 2019-2024 BMW 3 Series G20?
P2301 stands for "Ignition Coil A Secondary Circuit". Fault detected in the secondary winding circuit of ignition coil A (cylinder 1).
What are the symptoms of P2301 on a BMW 3 Series G20?
Common symptoms of P2301 include: Misfire, Check engine light, Poor performance.
What causes P2301 on a 2019-2024 BMW 3 Series G20?
Common causes of P2301 include: Failed ignition coil, Cracked coil boot, Spark plug gap too wide.