P0355 Ford Code - Ignition Coil 'E' 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 Ford indicates Ignition Coil 'E' 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 Ford Description
What are the Possible Causes of the DTC P0355 Ford?
- 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 Ford?
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.
Code Tech Notes
User Submitted Video
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0355 Ford 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.
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Information for Specific Ford Models
- P0355 1997 Ford F150 — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 1998 Ford F150 — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 1999 Ford F150 — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2000 Ford F150 — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2001 Ford F150 — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2002 Ford F150 — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2003 Ford F150 — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2006 Ford Fusion — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2007 Ford Fusion — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2008 Ford Fusion — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2009 Ford Fusion — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2010 Ford Fusion — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2011 Ford Fusion — Ignition Coil 'E' Primary/Secondary Circuit
- P0355 2012 Ford Fusion — Ignition Coil 'E' Primary/Secondary Circuit
Frequently Asked Questions about P0355 Ford Code
1. What are common symptoms of OBDII code P0355 in a Ford related to the Ignition Coil 'E' Primary/Secondary Circuit?
- Common symptoms include engine misfires, rough idling, lack of power, and illuminated Check Engine Light.
2. What are possible causes of OBDII code P0355 in a Ford?
- Possible causes include a faulty ignition coil 'E', damaged wiring or connectors in the ignition coil circuit, or issues with the Engine Control Module (ECM).
3. How can I diagnose the source of OBDII code P0355 in a Ford?
- Use a scan tool to check for the specific code P0355. Then, perform a visual inspection of the ignition coil 'E', test the coil for proper resistance, and check the wiring and connectors for any damage.
4. Can a bad spark plug cause OBDII code P0355 in a Ford?
- Yes, a bad spark plug can potentially cause the ignition coil to malfunction, leading to OBDII code P0355 being triggered.
5. What are some repair tips for fixing OBDII code P0355 in a Ford?
- Start by replacing the faulty ignition coil 'E'. Ensure all wiring and connectors are in good condition. Clear the code and test drive the vehicle to confirm the issue is resolved.
6. Is it safe to drive with OBDII code P0355 present in a Ford?
- It is not recommended to drive with OBDII code P0355 present, as it can lead to further engine damage and poor vehicle performance.
7. How much does it typically cost to repair OBDII code P0355 in a Ford?
- The cost of repairing OBDII code P0355 can vary depending on the exact cause, but it typically ranges from $100 to $300 for parts and labor.
8. Can I reset OBDII code P0355 in a Ford without fixing the underlying issue?
- While you can clear the code using a scan tool, it will likely return if the root cause, such as a faulty ignition coil 'E', is not addressed.
9. Will OBDII code P0355 cause a Ford to fail an emissions test?
- Yes, OBDII code P0355 can cause a Ford to fail an emissions test due to increased emissions, engine misfires, and improper combustion.
10. How long does it take to repair OBDII code P0355 in a Ford?
- The repair time for OBDII code P0355 can vary depending on the skill level of the technician, but it typically takes around 1-2 hours to diagnose and replace the faulty ignition coil 'E'.
Discuss the causes and fixes for P0355 Ford OBDII Code
-
Replaced spark plug and COP on #5... No change, code still "P0355". I'm going to check for an AC signal on #5 connector, if no signal, I'll check wiring back to PCM, then PCM itself.
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