Engine-CodesChrysler – P0354 Chrysler

P0354 Chrysler Code - Ignition Coil 4 Circuit

Quick Answer

The P0354 Chrysler diagnostic trouble code (DTC) refers to an issue with the Ignition Coil 4 Circuit. Common causes include Faulty ignition coil, Wiring or connector issues in the ignition coil circuit, Engine control module (ECM) failure. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0354 Chrysler indicates Ignition Coil 4 Circuit.
Common causes
Common causes include Faulty ignition coil, Wiring or connector issues in the ignition coil circuit, Engine control module (ECM) failure.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code P0354 Chrysler Description

The P0354 Chrysler diagnostic trouble code (DTC) refers to an issue with the Ignition Coil 4 Circuit. This code indicates a problem with the electrical circuit that controls the ignition coil for cylinder 4 in the engine. The ignition coil is responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel mixture in the combustion chamber. When this circuit malfunctions, it can lead to misfires, poor engine performance, and even engine stalling.

OBDII Code P0354 Chrysler - Ignition Coil 4 Circuit
P0354 Chrysler Code - Ignition Coil 4 Circuit

Common Causes of P0354 Chrysler

  1. Faulty ignition coil
  2. Wiring or connector issues in the ignition coil circuit
  3. Engine control module (ECM) failure
  4. Spark plug issues
  5. Water or corrosion in the ignition coil circuit

Symptoms of P0354 Chrysler

  1. Engine misfires
  2. Rough idle or hesitation during acceleration
  3. Decreased fuel efficiency
  4. Illuminated check engine light
  5. Engine stalling

How to Fix P0354 Chrysler

  1. Diagnose the specific cause of the issue using a scan tool to pinpoint the problem
  2. Inspect the wiring and connectors in the ignition coil circuit for any damage or corrosion
  3. Test the ignition coil for proper operation using a multimeter
  4. Replace the faulty ignition coil if necessary
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved

Cost to Fix P0354 Chrysler

The cost of repairing the Ignition Coil 4 Circuit issue can vary depending on the specific cause of the problem and the cost of parts and labor. On average, the cost of replacing an ignition coil can range from $100 to $250, including parts and labor. Additional costs may apply if other components need to be replaced or if further diagnostics are required. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate based on your vehicle make and model, as well as the local labor rates.

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.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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