P0355 2004 Toyota Highlander Code - Ignition Coil 5 Primary/Secondary Circuit
Quick Answer
The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 circuit poor electrical connection. 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
- P0355 2004 Toyota Highlander indicates Ignition Coil 5 Primary/Secondary Circuit.
- Common causes
- Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 circuit poor electrical connection.
- 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.
Code P0355 2004 Toyota Highlander Description
What are the Possible Causes of the DTC P0355 2004 Toyota Highlander?
- Faulty Ignition Coil 5
- Ignition Coil 5 harness is open or shorted
- Ignition Coil 5 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0355 2004 Toyota Highlander?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0355 2004 Toyota Highlander code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0355 2004 Toyota Highlander code?
Need more information on how to fix the P0355 2004 Toyota Highlander code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0355 2004 Toyota Highlander code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0355 2004 Toyota Highlander Code
What does the OBDII code P0355 mean on a 2004 Toyota Highlander?
P0355 indicates an issue with the ignition coil circuit for cylinder 5, specifically a malfunction in the primary or secondary circuit.
What are the common symptoms of the P0355 code?
Symptoms may include a rough idle, engine misfire, reduced fuel efficiency, difficulty starting, or the check engine light being illuminated.
What causes the P0355 code to appear?
Common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a bad spark plug, or a malfunctioning engine control module (ECM).
Can I drive my 2004 Toyota Highlander with the P0355 code?
Driving with this code is not recommended, as it can lead to poor engine performance, potential engine damage, and increased emissions.
How do I diagnose the P0355 code?
Start by inspecting the ignition coil for cylinder 5, checking the wiring and connectors for damage or corrosion, and testing the coil with a multimeter to ensure proper function.
What tools are needed to fix the P0355 code?
You may need an OBDII scanner, a multimeter, and basic hand tools to inspect, test, and replace components like the ignition coil or wiring.
How do I fix the P0355 code?
Replace the ignition coil for cylinder 5 if it is faulty, repair or replace any damaged wiring or connectors, and ensure the spark plug is in good condition.
Can a bad spark plug cause the P0355 code?
Yes, a bad spark plug in cylinder 5 can cause ignition coil issues leading to the P0355 code.
Is the P0355 code specific to Toyota Highlanders?
No, the P0355 code is a generic OBDII code and can appear on any vehicle, but the diagnosis and repair steps may vary by make and model.
How much does it cost to fix the P0355 code?
The cost depends on the issue but typically ranges from $50 to $150 for an ignition coil replacement, plus labor if you hire a professional mechanic.
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