AutoCodes – Ford – P0603 2000 Ford F150

P0603 2000 Ford F150 Code - Powertrain Control Module KAM Test Error

Quick Answer

Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc. Common causes include Loose or poor battery terminal connection, Low battery charge (Battery terminal corrosion), ECM power supply circuit is open or shorted. 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
P0603 2000 Ford F150 indicates Powertrain Control Module KAM Test Error .
Common causes
Common causes include Loose or poor battery terminal connection, Low battery charge (Battery terminal corrosion), ECM power supply circuit is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,766
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code P0603 2000 Ford F150 Description

Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc.
OBDII Code P0603 2000 Ford F150 - Powertrain Control Module KAM Test Error  - AutoCodes.com
P0603 2000 Ford F150 Code - Powertrain Control Module KAM Test Error

What are the Possible Causes of the DTC P0603 2000 Ford F150?

  • Loose or poor battery terminal connection
  • Low battery charge (Battery terminal corrosion)
  • ECM power supply circuit is open or shorted
  • ECM Programing
  • Faulty PCM

How to Fix the DTC P0603 2000 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0603 2000 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 P0603 2000 Ford F150 code?

Need more information on how to fix the P0603 2000 Ford F150 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0603 2000 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 P0603 2000 Ford F150 Code

1. What does the OBDII code P0603 for a 2000 Ford F150 mean?

The P0603 code indicates a Powertrain Control Module Keep Alive Memory (KAM) Test Error in the vehicle's computer system.

2. What are the common symptoms of a P0603 error in a 2000 Ford F150?

Common symptoms include the check engine light illuminating, loss of power or performance issues, and potential stalling or rough idling.

3. What are the possible causes of a P0603 error in a 2000 Ford F150?

Causes can include a faulty Powertrain Control Module (PCM), wiring issues, a dead or disconnected battery, or a software update error.

4. How can I diagnose a P0603 error in my 2000 Ford F150?

Diagnosing a P0603 error typically involves using an OBDII scanner to read the code and check for any related codes. It's also important to inspect the wiring and connections to the PCM.

5. How can I repair a P0603 error in my 2000 Ford F150?

Repairing a P0603 error may involve resetting the PCM, repairing any faulty wiring or connections, replacing the PCM if necessary, or performing a software update.

6. Can a P0603 error in a 2000 Ford F150 cause any long-term damage if not addressed?

Continued driving with a P0603 error may lead to further performance issues, reduced fuel efficiency, and potential damage to other engine components over time.

7. Is it safe to drive my 2000 Ford F150 with a P0603 error?

It is generally not recommended to drive the vehicle with a P0603 error, as it can impact the engine's performance and lead to potential safety concerns.

8. How much does it typically cost to repair a P0603 error in a 2000 Ford F150?

The cost of repairing a P0603 error can vary depending on the underlying cause, but it may range from a simple fix like resetting the PCM to a more expensive PCM replacement.

9. How long does it take to repair a P0603 error in a 2000 Ford F150?

The repair time for a P0603 error can vary based on the diagnosis and required repairs. It could take anywhere from a few hours to a full day, depending on the complexity of the issue.

10. Can I reset the P0603 code in my 2000 Ford F150 using an OBDII scanner?

Yes, an OBDII scanner can be used to reset the P0603 code after the underlying issue has been diagnosed and repaired.

Discuss the causes and fixes for P0603 2000 Ford F150 OBDII Code

Code P0603 2000 Ford F150 comments

No comments found for this page.

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