P0359
PPowertrainIgnition Coil I Primary/Secondary Circuit Fault
What does this code mean?
Severity : HighP0359 reports a fault in the primary or secondary circuit of ignition coil I, which usually corresponds to cylinder 9. The module does not see the expected coil operation. A cylinder without spark misfires, which can damage the catalytic converter if you keep driving.
Symptoms
- Check engine light on or flashing.
- Misfires and a shaking engine.
- Loss of power.
- Higher fuel consumption and raw fuel smell.
Possible causes
- Failed ignition coil I.
- Corroded or unplugged coil connector.
- Control wire open or shorted.
- Worn or damaged spark plug.
- Faulty driver stage in the control module.
Diagnosis and repair
- Inspect the coil I connector and wiring.
- Swap the coil with another cylinder and see if the fault follows.
- Measure the coil supply and command signal.
- Replace the faulty coil or spark plug.
- Clear the code and road test.
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Code
P0359
Category
Powertrain
Prefix
P
Standard
OBD-II / SAE J2012