P2303
Ignition Coil C Secondary Circuit
2004-2016 Aston Martin DB9 6.0L V12
High SeverityPowertrainGeneric (SAE)
Description
Fault in ignition coil C secondary circuit (typically cylinder 3).
Symptoms
- Cylinder 3 misfire
- Check engine light
Common Causes
- Failed coil
- Worn spark plug
- Boot damage
Diagnostic Steps
- Swap coil
- Check plug
- Inspect for arcing
Repair Notes
Replace coil and spark plug as needed.
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
P2303 on Other Vehicles
Aston Martin DB11
2016-2024 4.0L V8 Twin Turbo
Aston Martin DB11
2016-2024 5.2L V12 Twin Turbo
Aston Martin DB7
1994-2003 3.2L I6 Supercharged
Aston Martin DBS Superleggera
2019-2024 5.2L V12 Twin Turbo
Aston Martin DBX
2020-2024 4.0L V8 Twin Turbo
Aston Martin Vantage
2005-2024 4.7L V8
Aston Martin Vantage
2018-2024 4.0L V8 Twin Turbo
Common Questions
What does code P2303 mean on a 2004-2016 Aston Martin DB9?
P2303 stands for "Ignition Coil C Secondary Circuit". Fault in ignition coil C secondary circuit (typically cylinder 3).
What are the symptoms of P2303 on a Aston Martin DB9?
Common symptoms of P2303 include: Cylinder 3 misfire, Check engine light.
What causes P2303 on a 2004-2016 Aston Martin DB9?
Common causes of P2303 include: Failed coil, Worn spark plug, Boot damage.