- Faulty Ignition Coil 'B'
- Ignition Coil 'B' harness is open or shorted
- Ignition Coil 'B' circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine may be running rough
P2305 DescriptionThe current flow, or dwell, through the primary ignition coil is controlled by the Powertrain Control Module (PCM) by providing a switched ground path through the ignition coil driver to ground. When the ignition coil driver is switched on, current rapidly builds up to a maximum value, determined by the coil inductance and resistance. When the current is switched off, the magnetic field collapses which induces a secondary high voltage surge and the spark plug is fired. This high voltage surge creates a flyback voltage which the PCM uses as a feedback during the ignition diagnostics. The PCM continuously monitors the ignition system for concerns. The P2305 code sets when the PCM detects a short to voltage in the circuit.
P2305 Information for specific makes
- P2305 AUDI Ignition Coil 2 Secundary Circuit
- P2305 CHRYSLER Ignition Coil 'B' Secondary Circuit
- P2305 DODGE Ignition Coil 'B' Secondary Circuit
- P2305 FORD Ignition Coil 'B' Secondary Circuit
- P2305 JEEP Ignition Coil 'B' Secondary Circuit
- P2305 LINCOLN Ignition Coil 'B' Secondary Circuit
- P2305 MERCURY Ignition Coil 'B' Secondary Circuit
- P2305 SUZUKI Ignition Coil 2 Secundary Circuit
- P2305 VOLKSWAGEN Ignition Coil 2 Secundary Circuit
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