P0354 2009 HONDA ACCORD - Ignition Coil 4 Circuit Malfunction
P0354 2009 HONDA ACCORD Possible Causes
- Faulty Ignition Coil 4
- Ignition Coil 4 harness is open or shorted
- Ignition Coil 4 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How is the P0354 2009 HONDA ACCORD code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
What is the cost to diagnose the P0354 2009 HONDA ACCORD code
Labor: 1.0The cost to diagnose the P0354 2009 HONDA ACCORD code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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When is the code detected?Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a valid pulse signal from the ignition coil.
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- Engine may be harder to start
- Engine hesitation
- Rough engine idle
P0354 2009 HONDA ACCORD MeaningThe ignition system on the vehicle uses individual ignition coils for each cylinder. The Engine Control Module (ECM) controls each ignition coil operation. The ECM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.
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