Engine-Codes - Honda - P0354 Honda

P0354 Honda Code - No. 4 Cylinder Ignition Coil Circuit Malfunction

- Code Popularity: 16,470 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P0354 Honda?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty No. 4 Ignition Coil
  • No. 4 Ignition Coil harness is open or shorted
  • No. 4 Ignition Coil circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)
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How to Fix the DTC P0354 Honda?

Check 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0354 Honda code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of Power
  • Engine may be harder to start
  • Engine hesitation
  • Rough engine idle

What Does the P0354 Honda Code Mean?

The ignition coil is a part of the engine ignition system. It converts low voltage from the battery into high voltage needed to create a spark in the spark plugs. The ignition coil is triggered at the optimum time by the Powertrain Control Module (PCM) ON/OFF command. The PCM detects a malfunction when the engine is running and the return signal does not change for a specified time, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).

P0354 Honda Code - No. 4 Cylinder Ignition Coil Circuit Malfunction

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