AutoCodes – Ford – P0605 1999 Ford F150

P0605 1999 Ford F150 Code - PCM Read Only Memory Error

Quick Answer

The Powertrain Control Module (PCM) continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. Common causes include Powertrain Control Module (PCM) programming error, Physically damaged Powertrain Control Module, Faulty Powertrain Control Module. 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: P0605 1999 Ford F150 indicates PCM Read Only Memory Error .
Common causes: Common causes include Powertrain Control Module (PCM) programming error, Physically damaged Powertrain Control Module, Faulty Powertrain Control Module.
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 2,837

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 30, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0605 1999 Ford F150 Description

The Powertrain Control Module (PCM) continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. This self-check insures that the Powertrain Control Module is functioning properly. The Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module Read Only Memory (ROM) has been corrupted.

OBDII Code P0605 1999 Ford F150 - PCM Read Only Memory Error - AutoCodes.com — P0605 1999 Ford F150 Code - PCM Read Only Memory Error

What does this mean?

What are the Possible Causes of the DTC P0605 1999 Ford F150?

Powertrain Control Module (PCM) programming error
Physically damaged Powertrain Control Module
Faulty Powertrain Control Module
Powertrain Control Module harness is open or shorted
Powertrain Control Module circuit poor electrical connection

How to Fix the DTC P0605 1999 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

Try clearing the code before replacing any parts. Reprogram the Vehicle Identification (VID) block (use as built data). Check for other Diagnostic Trouble Code (DTC) or drive symptoms for further action. Make sure to check for aftermarket performance products before installing a new Powertrain Control Module (PCM).

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0605 1999 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.

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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 P0605 1999 Ford F150 Code

1. What are the common symptoms of OBDII code P0605 in a 1999 Ford F150?

- Common symptoms include engine stalling, rough idling, poor fuel efficiency, and issues with acceleration.

2. What does the OBDII code P0605 on a 1999 Ford F150 indicate?

- The code P0605 indicates a PCM (Powertrain Control Module) read only memory error.

3. What are the possible causes of the PCM read only memory error (P0605) in a 1999 Ford F150?

- The error can be caused by a faulty PCM, damaged wiring, a software malfunction, or issues with the vehicle's battery or electrical system.

4. How can I diagnose the PCM read only memory error (P0605) in my 1999 Ford F150?

- Diagnosing the error typically involves using an OBDII scanner to retrieve the code and then inspecting the PCM, wiring, and connections for any visible signs of damage.

5. Can I still drive my 1999 Ford F150 with the PCM read only memory error (P0605)?

- It is not recommended to drive the vehicle with the P0605 code present, as it can lead to further damage and potential safety hazards.

6. How can I repair the PCM read only memory error (P0605) in my 1999 Ford F150?

- Repairing the error may involve replacing the PCM, repairing damaged wiring, updating the software, or addressing any underlying issues with the vehicle's electrical system.

7. Is it possible to reset the PCM to clear the P0605 error code in a 1999 Ford F150?

- While resetting the PCM may temporarily clear the code, it is important to address the underlying issue causing the error to prevent it from reoccurring.

8. How much does it typically cost to repair the PCM read only memory error (P0605) in a 1999 Ford F150?

- The cost of repairing the P0605 error can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can a DIY enthusiast fix the PCM read only memory error (P0605) in a 1999 Ford F150?

- While some DIY enthusiasts may have the skills to address simpler causes of the P0605 code, complex issues may require professional diagnosis and repair to ensure proper resolution.

10. Are there any preventive measures to avoid the PCM read only memory error (P0605) in a 1999 Ford F150?

- Maintaining regular vehicle maintenance, ensuring proper battery health, and addressing any warning signs promptly can help prevent issues leading to the P0605 error.