Engine-Codes.com
Engine-Codes – Ford – P0605 1999 Ford F150

P0605 1999 Ford F150 Code - PCM Read Only Memory Error

Quick Answer

The P0605 diagnostic trouble code (DTC) for a 1999 Ford F150 indicates a problem with the Powertrain Control Module's (PCM) Read Only Memory (ROM). Common causes include Faulty PCM ROM chip, Poor electrical connection to the PCM, Water or corrosion damage to the PCM. 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 Faulty PCM ROM chip, Poor electrical connection to the PCM, Water or corrosion damage to the PCM.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0605 1999 Ford F150 Description

The P0605 diagnostic trouble code (DTC) for a 1999 Ford F150 indicates a problem with the Powertrain Control Module's (PCM) Read Only Memory (ROM). The PCM is essentially the brain of the vehicle, responsible for controlling various functions such as engine timing, fuel delivery, and emissions control. The ROM is a section of the PCM's memory that contains essential data and instructions for the vehicle's operation.

OBDII Code P0605 1999 Ford F150 - PCM Read Only Memory Error
P0605 1999 Ford F150 Code - PCM Read Only Memory Error

Common Causes of P0605 1999 Ford F150

  1. Faulty PCM ROM chip
  2. Poor electrical connection to the PCM
  3. Water or corrosion damage to the PCM
  4. Software glitches or programming errors
  5. Internal PCM circuitry problems

Symptoms of P0605 1999 Ford F150

  1. Check Engine Light illuminated
  2. Engine performance issues such as rough idle or hesitation
  3. Poor fuel economy
  4. Vehicle stalling or difficulty starting
  5. Failed emissions test

How to Fix P0605 1999 Ford F150

  1. Begin by conducting a thorough diagnostic scan using an OBD-II scanner to retrieve the specific error code and pinpoint the issue.
  2. Inspect the PCM and related wiring for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Check for any software updates or reprogramming that may be required to resolve the PCM ROM error.
  4. If the PCM ROM chip is faulty, it may need to be replaced. This process may require reprogramming or flashing the new PCM with the vehicle's specific information.
  5. Once the repair is completed, clear the error code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0605 1999 Ford F150

The typical repair costs for addressing a P0605 code on a 1999 Ford F150 can vary depending on the exact cause of the issue and the extent of the repair needed. In general, replacing a faulty PCM ROM chip or reprogramming the PCM can range from $200 to $800, including parts and labor. It is important to note that diagnostic time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate based on your specific location and vehicle.

What does this mean?

Tech Notes for P0605 1999 Ford F150

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).

Need more information about the P0605 1999 Ford F150 code?

Need more information on how to fix the P0605 1999 Ford F150 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0605 1999 Ford F150 code diagnosed by a professional: Find a repair shop in your area

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.

Discuss the causes and fixes for P0605 1999 Ford F150 OBDII Code

Submit a New Comment

Code P0605 1999 Ford F150 comments

No comments found for this page.