AutoCodesGeneric – P1000

P1000 Code - On Board Diagnostic System Readiness Test Not Complete

Quick Answer

The On-Board Diagnostic (OBD) monitors are performed during the OBD Drive Cycle. Common causes include The vehicle is new from the factory, Battery or Powertrain Control Module (PCM) had recently been disconnected, An OBD monitor failure occurred before completion of an OBD drive cycle. 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
P1000 indicates On Board Diagnostic System Readiness Test Not Complete.
Common causes
Common causes include The vehicle is new from the factory, Battery or Powertrain Control Module (PCM) had recently been disconnected, An OBD monitor failure occurred before completion of an OBD drive cycle.
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 27,986
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 21, 2022
💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1000 Description

The On-Board Diagnostic (OBD) monitors are performed during the OBD Drive Cycle. P1000 is stored in continuous memory if any of the OBD monitors do not carry out their full diagnostic check. If Diagnostic Trouble Code (DTC) P1000 is triggered after DTCs have been cleared, all engine management OBD diagnostic monitor drive cycles have not been cleared.
OBDII Code P1000 - On Board Diagnostic System Readiness Test Not Complete - AutoCodes.com
P1000 Code - On Board Diagnostic System Readiness Test Not Complete

What are the Possible Causes of the DTC P1000?

  • The vehicle is new from the factory.
  • Battery or Powertrain Control Module (PCM) had recently been disconnected.
  • An OBD monitor failure occurred before completion of an OBD drive cycle.
  • PCM Diagnostic Trouble Codes (DTC) have recently been cleared with a scan tool.

How to Fix the DTC P1000?

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 P1000 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 P1000 code?

Need more information on how to fix the P1000 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1000 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 P1000 Code

1. What does the OBDII code P1000 mean?

The OBDII code P1000 indicates that the On Board Diagnostic (OBD) system readiness test is not complete.

2. What are the common symptoms of OBDII code P1000?

There are typically no noticeable symptoms directly related to the P1000 code. It is more of an informational code indicating that certain monitors have not completed their self-tests.

3. What are the potential causes of the OBDII code P1000?

The most common cause of the P1000 code is when the vehicle's OBD system has not completed its self-tests due to the clearing of diagnostic trouble codes or disconnecting the battery recently.

4. How do you diagnose the OBDII code P1000?

Diagnosing the P1000 code involves using an OBDII scanner to check for any other stored trouble codes and verifying if all the OBD system monitors have completed their self-tests.

5. Can I continue driving with the OBDII code P1000?

Yes, you can continue driving with the P1000 code as it does not indicate a critical issue with the vehicle. However, it is essential to address the underlying cause to ensure proper operation of the OBD system.

6. How do I repair the OBDII code P1000?

To repair the P1000 code, you may need to drive the vehicle under various conditions to allow the OBD system to complete its self-tests. If the code persists, further diagnosis may be necessary.

7. How long does it take for the OBD system to complete its readiness tests?

The time it takes for the OBD system to complete its readiness tests varies depending on the vehicle make and model. It typically requires several driving cycles under different conditions.

8. Will the OBDII code P1000 cause my vehicle to fail an emissions test?

The P1000 code itself should not cause your vehicle to fail an emissions test. However, if there are other underlying issues causing the readiness tests to fail, those issues may need to be addressed to pass the emissions test.

9. Is it possible for the OBDII code P1000 to clear on its own?

In some cases, the P1000 code may clear on its own after several successful driving cycles where the OBD system completes its self-tests. If the code persists, further investigation may be needed.

10. Can I reset the OBDII code P1000 with a scan tool?

Attempting to clear the P1000 code with a scan tool may not be effective, as the code is more of an informational message indicating incomplete readiness tests. It is recommended to address the underlying cause instead of simply clearing the code.

Discuss the causes and fixes for P1000 OBDII Code

Code P1000 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