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P1000 Code Ford F150: A COMPLETE Guide!

Vehicles are now smart enough to let their owners know their routine diagnosis hasn’t been completed. How? P1000 Code Ford F150 is a perfect example of that. It refers to “On-Board II Diagnostic Monitor Testing is Incomplete” for the vehicle, and required measures should be taken.

Some of the reasons why P1000 is triggered in Ford F150 are-

  • Failing to meet enable criteria for a drive cycle
  • Not running the manufacture-specific drive cycle
  • Battery disconnection
  • OBD II fault detection before drive cycle completion
  • Other fault codes and faulty Powertrain Control Module

Setting up the battery and running a proper drive cycle typically solves the issue. However, it requires an absolutely spot-on guideline, which you can get right here. So bear with me!

What Does P1000 Code Mean on Ford F150?

The vehicle-specific trouble code P1000 means “OBDII Monitor Testing Not Complete.” If you run a scan tool, the P1000 will come with a prompt message: “Inspection of all systems has not been completed since last memory clear.”

Although prompt messages often sound bewildering, it’s pretty clear this time. Still, I have a few lines to make it more understandable.

● It’s a series of self-diagnostic computer tests typically completed by running drive cycles to determine whether the Emission Control Device/System is failing and releasing excessive pollutants into the environment.

● Powertrain Control Module (the computing unit) conducts these tests on a few sensors, known as readiness monitors. If any of the readiness monitors remain unchecked, the drive cycle will be considered incomplete. Hence, it’ll trigger the code P1000 in Ford F150 and some other vehicles, indicating an incomplete inspection of all systems.

Check out the table below for a quick overview of P1000 Code – Meaning, Symptoms, Causes, and How to Fix it.

P1000 MeaningSymptomsCausesFix
Incomplete self-diagnostic tests● Prompt Message on scan tool

● Alarm

● Occasionally Check Engine or SES light on
❖ Failing to meet enable criteria for drive cycles

❖ Not Running Ford specific drive cycle

❖ Battery disconnection

❖ Check Engine or SES light already on

❖ Presence of other fault codes

❖ Faulty PCM
➢ Running the drive cycle for the readiness monitors following the enabling criteria, and according to the sample given by the manufacturer.

➢ Fixing battery connection or replacing faulty PCM.

What Are the OBD II Readiness Monitors in Ford?

The OBD II in all Ford vehicles, including the F150, has a few readiness monitors (some sort of sensors) that need to be entirely diagnosed by the Powertrain Control Module during a drive cycle to avoid codes like P1000.

Check out the table below to see different readiness monitors in Ford F150 and what they do.

Readiness Monitors in FordPurpose
EVAP (Evaporative Emission Control System) MonitorInspects for Fuel Vapor Leaks.
Catalyst MonitorChecks if the catalytic converter is reducing the harmful emission perfectly.
HEGO (Heated Oxygen Gas Oxygen) Sensor MonitorCalculates if the exhaust oxygen concentration in gas engines is excessive or not.
EGR (Exhaust Gas Recirculation) MonitorChecks if the exhaust gas is correctly flowing through the EGR.
SEC AIR/CCM (Secondary Air or Comprehensive Component Monitor)Inspects whether extra air is delivered to the exhaust properly during a cold start.
CCM (Comprehensive Component Monitoring Trans)Checks many important circuits/components to see whether they’re performing well.
Misfire & Fuel MonitorInspects misfire and other malfunctions to see they are not releasing excessive pollutants in the environment.

Each monitor may have a particular drive cycle set by the manufacturer, you need to follow the sample properly to complete the respective drive cycles. Besides, there are enabling criteria to run drive cycles for a specific readiness monitor.

What Causes an Incomplete OBD II Monitor Testing or P1000 Code in Ford F150?

Let’s discuss the possible causes of why the vehicle couldn’t complete the drive cycles for readiness monitors and why the P1000 Code in the Ford F150 could be triggered.

● Failing to Meet Enable Criteria for Drive Cycles

Like many other vehicles, Ford F150 also needs to be put in different conditions to meet the enable criteria for all readiness monitors’ drive cycles. Only then will the system be able to obtain the most accurate monitor testing information.

The significance of enabling criteria being met is facilitated by drive cycles. So failing to meet these criteria could result in an incomplete drive cycle for a particular monitor and trigger the code P1000 for Ford F150.

Some of the common enable criteria to perform drive cycles for different readiness monitors include:

  • Fuel Tank Level must be between 50 to 75%
  • The Malfunction Indicator Lamp (MIL) must be turned off
  • Engine coolant temperature must be between 170 to 230F at startup

There could be more such enable criteria depending upon the vehicle model.

● Not Running the Vehicle-Specific Drive Cycle

For OBD II-compliant vehicles, you need to run the vehicle-specific drive cycles to complete the monitors and avoid P1000 in your F150. Luckily, this information is available on the manufacturer’s service information, website, or aftermarket service information. For your convenience, we’ll have a quick look at that in a minute.

● Battery Disconnection

Another common reason emission monitors remain incomplete is due to a recently disconnected/replaced battery. If you’ve recently tried to jump-start your F150 because of a weak/defective battery, it’s possible that the battery got disconnected and failed to power the ECU. So the monitor remained incomplete, which later triggered P1000.

● Check Engine Or Service Engine Soon Light (SES) ON

If, for some reason, your F150 has illuminated the check engine or SES light on, the ECU won’t perform the monitor test and thus render a monitor incomplete. As a result, P1000 will be triggered.

Similarly, if OBD II detects a fault before the test completes, it’ll stop the drive cycle for other monitors. So other incomplete monitors could also trigger the DTC.

● Erasing Other DTCs or Pending Codes/Results

If you’ve used the OBD II scan tool to clear other trouble codes, it’s possible that it has also erased the readiness monitors. However, having pending DTC or stored DTC results can also prevent a particular readiness monitor. As a result, the monitor testing may remain incomplete.

● Faulty Powertrain Control Module

What if the computing unit (PCM) responsible for conducting the test is faulty? Yeah, it’ll fail to test the monitors; hence the P1000 will be prompted.

Fix P1000 Code on Ford F150: Drive Cycle Guide to Complete the OBD II Monitor Testing

You’ve seen what causes OBD II incomplete monitor testing or P1000 DTC. Now time to check how to fix error code P1000 for Ford F150. It’s all about running a perfect drive cycle.

So below, I’ve outlined what will be considered a perfect drive cycle to complete all readiness monitor tests successfully.

Preparation

  • Install the scan tool
  • Turn on the key with your F150’s engine OFF
  • Now turn the cycle key OFF, then ON
  • Choose the appropriate make and model of your vehicle on the scan tool
  • Reset the PCM

Start the Drive Cycle

  1. Start the Ford F150 without returning to Key OFF
  2. Keep it Idle for 15 seconds
  3. Now drive at 40 mph until the temperature of the engine coolant reaches 170F (at least). Since it’s the normal operating temperature of the engine. You should reach there within 10 to 15 minutes of driving.

Drive Cycle Requirements for Different Monitors

Here’s how you need to perform the drive cycles for different readiness monitors of your Ford F150.

● HEGO Monitor: Drive your F150 at 40 mph for nearly 4 minutes.

● EVAP Monitor: Cruise your F150 at 45 to 65 mph for 10 minutes. Choose a freeway with no traffic since you need to avoid hills and sharp turns.

Sometimes, the EVAP monitor remains pending and many opt for bypassing it, especially when they are putting the vehicle on a smog check (a type of emission test). To bypass the EVAP monitor, you’ve to park it for at least 8 hours and then run the drive cycle.

● Catalyst Monitor: Drive your truck in stop-and-go traffic conditions with five different constant driving speeds (25 to 45 mph) over a 10-minute time. Catalytic converters could also have issues, Easy Autos Life has an article on it, check out the Ford F150 Catalytic Converter Problems.

● EGR Monitor: Now accelerate the truck to 45 mph from a stop at 1/2 to 3/4 throttle. You have to repeat it thrice.

● SEC AIR or CCM: Take the Ford F150 to a stop. It should be in neutral for M/T and now you can idle the vehicle with the transmission in the drive for 2 minutes.

● CCM (Transmission): Begin the drive from a stop and in overdrive. Now use moderate acceleration to reach 50 mph and cruise for a minimum of 15 seconds. Now stop your truck and begin from a stop again but without overdrive.

This time moderately accelerate to reach 40 mph and cruise for a minimum of 30 seconds. Activate the overdrive when you’re at 40 mph, and then accelerate to 50 mph and cruise for another 15 seconds (minimum). Now stop for a minimum of 20 seconds and repeat this step 5 times.

● Misfire & Fuel Monitors: Simply accelerate to 65 mph from a stop. Now start decelerating at closed throttle until you reach 40 mph without applying brakes. Repeat the process 3 times.

Readiness Check

Now, you need to go to the scan tool and access the ON-Board System Readiness option on the tool. It’s there to show the completion status of all the OBD II monitors discussed above. If you’ve successfully run the drive cycle, you should see all emission monitors have completed, and P1000 Code Ford F150 resolved.

What If It’s Not Completed After a Proper Drive Cycle?

In that case, you’ve to look into the battery connection and see if it has disconnected. You can reconnect it and run the drive cycle again. But if the problem further persists, then a faulty PCM could be causing the issue.

Visit a mechanic and inspect it; if it’s faulty, you’ll need to change it. Then run the drive cycles from the beginning to complete the monitor tests.

Does P1000 Code Ford F150 Matter?

Not really, since the code doesn’t impede your ability to drive the truck. The interruptions generally occur due to some accidental issue, so if you run the drive cycles again, the run checks are most likely to be completed, and the error code will disappear.

That being said, you’ve to run the drive cycles according to the manufacturer’s guidelines. I’ll talk about that in a minute. But if the problem persists after running drive cycles, then there must be a faulty component, like a damaged PCM, that’ll need to be replaced.

But there’s one thing to remember, the OBD II Monitor Testing provides input/output signals to the PCM for controlling emissions functions. Failing to provide the output of these self-diagnostic tests may affect the emissions, so you may not be allowed to appear for your smog inspection.

So even though P1000 isn’t a big deal, you need to make sure it’s resolved by running drive cycles again.

Can you Pass the Smog Check with P1000?

A smog check is a test that measures whether the amount and type of pollutants exceeds the maximum standards or not. If you see P1000 in your scan tool, you won’t be able to pass the smog test, except it’s the EVAP that’s incomplete.

All 2,000+ vehicle models, including the F150 truck, can successfully complete smog check without the EVAP monitor in the READY/COMPLETE status. But you can’t pass the check with other monitors incomplete or P1000 triggered.

FAQs

I’ve encountered a few queries on the topic. So check out my answers to clear any remaining doubts.

Can you drive your Ford F150 with the P1000 code?

Yes, you absolutely can. In fact, you’ve to drive a proper Drive Cycle to get rid of it.

Will a drive cycle resolve the “Check Fuel Fill Inlet” Ford F150 message?

No, it won’t. In fact, running a drive cycle may also turn the Service Engine Soon light on. Check out our article Check Fuel Fill Inlet” Ford F150 to see how it should be resolved.

Key Takeaways:

Sorry for taking it this far, but I had to since I don’t want to keep my “P1000 Code Ford F150” guide INCOMPLETE. I’ll be ending with the following takeaways, so check them out for a quick recap.

● P1000 code is triggered when Ford F150 fails to perform a set of self-diagnostic tests, known as Monitor Tests.

● The symptoms could be a prompt message on the scan tool, a check engine light illuminated, or an alarm triggered.

● Mainly caused by interrupted monitor tests due to an incomplete drive cycle, which may have underlying conditions like battery disconnection, faulty PCM, or the presence of other trouble codes. Also, common in reprogrammed or recently bought vehicles.

● Performing drive cycles for different readiness monitors until they are in completed/ready status will solve the P1000 trouble code in F150.

● Vehicle-specific drive cycle for Ford F150 is discussed and that should be performed according to the requirements of different monitors.

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