AutoCodes – Ford – P0355 2001 Ford F150

P0355 2001 Ford F150 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 2001 Ford F150 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.

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Code Popularity 7,190

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0355 2001 Ford F150 Description

The 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.

OBDII Code P0355 2001 Ford F150 - Ignition Coil 'E' Primary/Secondary Circuit - AutoCodes.com — P0355 2001 Ford F150 Code - Ignition Coil 'E' Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0355 2001 Ford F150?

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 2001 Ford F150?

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 does this mean?

Code Tech Notes

Each ignition primary circuit is continuously monitored. The test fails when the PCM does not receive a valid IDM pulse signal from the ignition module (integrated in PCM).

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0355 2001 Ford F150 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 2001 Ford F150 code?

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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.

Frequently Asked Questions about P0355 2001 Ford F150 Code

1. What are the common symptoms of OBDII code P0355 in a 2001 Ford F150?

- Common symptoms include engine misfires, rough idling, loss of power, and in some cases, the vehicle may not start at all.

2. What are the possible causes of OBDII code P0355 in a 2001 Ford F150?

- The primary causes of this code include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or a problem with the Engine Control Module (ECM).

3. How can I diagnose the issue causing OBDII code P0355 in my 2001 Ford F150?

- You can use a multimeter to test the resistance of the ignition coil, inspect the wiring and connectors for any damage, and perform a scan tool test to check for ECM communication issues.

4. Can I still drive my 2001 Ford F150 with OBDII code P0355 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the ignition system and potentially cause more severe issues.

5. How can I repair OBDII code P0355 in my 2001 Ford F150?

- The most common repair for this code is to replace the faulty ignition coil. Additionally, repairing any damaged wiring or connectors in the ignition coil circuit may also be necessary.

6. Are there any preventive measures I can take to avoid OBDII code P0355 in my 2001 Ford F150?

- Regularly inspecting and maintaining the ignition system of your vehicle can help prevent issues that may lead to this code, such as replacing spark plugs and ignition coils at recommended intervals.

7. Can a DIY enthusiast repair OBDII code P0355 in a 2001 Ford F150?

- Yes, if you have the necessary tools and knowledge, you can attempt to repair this code yourself by following a repair manual specific to your vehicle model.

8. Will resetting the trouble codes make OBDII code P0355 go away temporarily in my 2001 Ford F150?

- Resetting the trouble codes may temporarily clear the code, but if the underlying issue causing P0355 is not addressed, the code is likely to reappear once the vehicle is driven again.

9. How much does it typically cost to repair OBDII code P0355 in a 2001 Ford F150 at a professional mechanic?

- The cost of repairing this code can vary depending on the exact cause of the issue, but it generally ranges from $150 to $300 for parts and labor.

10. Can OBDII code P0355 in a 2001 Ford F150 cause damage to other engine components if not repaired promptly?

- Yes, if left unresolved, this code can lead to further damage to the ignition system and potentially cause damage to other engine components, resulting in more costly repairs.