P2302 - Ignition Coil Secondary Number 'A' Circuit Condition

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?
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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 DODGE Ignition Coil Secondary Number 'A' Circuit Condition
P2302 SUZUKI Ignition Coil Secondary Number 1 Circuit Condition
P2302 VOLKSWAGEN Ignition Coil Secondary Number 1 Circuit Condition
Related Information
Repair Importance Level: 3
 
1=Low 2=Medium 3=High What does this mean?
Repair Difficulty Level: 3
 
1=Easy 2=Moderate 3=Hard What does this mean?
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