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P2302 - Ignition Coil 'A' Secondary Circuit

Possible causes
- Faulty Ignition Coil 'A'
- Ignition Coil 'A' harness is open or shorted
- Ignition Coil 'A' circuit poor electrical connection
What does this mean? What does this mean?
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine may be running rough
P2302 Description

The 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 P2302 code sets when the PCM detects a short to voltage in the circuit.

P2302 Information for specific makes
P2302 AUDI Ignition Coil 1 Secondary Circuit
P2302 CHRYSLER Ignition Coil 'A' Secondary Circuit
P2302 DODGE Ignition Coil 'A' Secondary Circuit
P2302 FORD Ignition Coil 'A' Secondary Circuit
P2302 JEEP Ignition Coil 'A' Secondary Circuit
P2302 LINCOLN Ignition Coil 'A' Secondary Circuit
P2302 MERCURY Ignition Coil 'A' Secondary Circuit
P2302 SUZUKI Ignition Coil 1 Secondary Circuit
P2302 VOLKSWAGEN Ignition Coil 1 Secondary Circuit
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