Tip & How-To about Ford F

Ford OBD-II Trouble Codes

P1000 OBD-II Monitor Testing Incomplete
P1001 KOER Test Cannot Be Completed
P1039 Vehicle Speed Signal Missing or Improper
P1051 Brake Switch Signal Missing or Improper
P1100 Mass Air Flow Sensor Intermittent
P1101 Mass Air Flow Sensor out of Self-Test Range
P1112 Intake Air Temperature Sensor Intermittent
P1116 Engine Coolant Temperature Sensor is out of Self-Test Range
P1117 Engine Coolant Temperature Sensor Intermittent
P1120 Throttle Position Sensor out of range
P1121 Throttle Position Sensor Inconsistent with Mass Air Flow Sensor
P1124 Throttle Position Sensor out of Self-Test Range
P1125 Throttle Position Sensor Intermittent
P1127 Heated Oxygen Sensor Heater not on During KOER Test
P1128 Heated Oxygen Sensor Signals reversed
P1129 Heated Oxygen Sensor Signals reversed
P1130 Lack of Upstream Heated Oxygen Sensor Switch - Adaptive Fuel Limit - Bank No. 1
P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1
P1132 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 1
P1135 Ignition Switch Signal Missing or Improper
P1137 Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1
P1138 Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 1
P1150 Lack of Upstream Heated Oxygen Sensor Switch - Adaptive Fuel Limit - Bank No. 2
P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2
P1152 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 2
P1157 Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2
P1158 Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 2
P1220 Series Throttle Control fault
P1224 Throttle Position Sensor B out of Self-Test Range
P1230 Open Power to Fuel Pump circuit
P1231 High Speed Fuel Pump Relay activated
P1232 Low Speed Fuel Pump Primary circuit failure
P1233 Fuel Pump Driver Module off-line
P1234 Fuel Pump Driver Module off-line
P1235 Fuel Pump Control out of range
P1236 Fuel Pump Control out of range
P1237 Fuel Pump Secondary circuit fault
P1238 Fuel Pump Secondary circuit fault
P1250 Lack of Power to FPRC Solenoid
P1260 Theft Detected - Engine Disabled
P1270 Engine RPM or Vehicle Speed Limiter Reached
P1288 Cylinder Head Temperature Sensor out of Self-Test Range
P1289 Cylinder Head Temperature Sensor Signal Greater Than Self-Test Range
P1290 Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
P1299 Cylinder Head Temperature Sensor Detected Engine Overheating Condition
P1309 Misfire Detection Monitor not enabled
P1351 Ignition Diagnostic Monitor circuit Input fault
P1352 Ignition Coil A - Primary circuit fault
P1353 Ignition Coil B - Primary circuit fault
P1354 Ignition Coil C - Primary circuit fault
P1355 Ignition Coil D - Primary circuit fault
P1356 Loss of Ignition Diagnostic Module Input to PCM
P1358 Ignition Diagnostic Monitor Signal out of Self-Test Range
P1359 Spark Output circuit fault
P1364 Ignition Coil Primary circuit fault
P1380 VCT Solenoid Valve circuit Short or Open
P1381 Cam Timing Advance is excessive
P1383 Cam Timing Advance is excessive
P1390 Octane Adjust out of Self-Test Range
P1400 Differential Pressure Feedback Electronic Sensor circuit Low Voltage
P1401 Differential Pressure Feedback Electronic Sensor circuit High Voltage
P1403 Differential Pressure Feedback Electronic Sensor Hoses Reversed
P1405 Differential Pressure Feedback Electronic Sensor circuit Upstream Hose
P1406 Differential Pressure Feedback Electronic Sensor circuit Downstream Hose
P1407 EGR No Flow Detected
P1408 EGR Flow out of Self-Test Range
P1409? EGR Vacuum Regulator circuit malfunction
P1409? Electronic Vacuum Regulator Control circuit fault
P1410 EGR Barometric Pressure Sensor VREF Voltage
P1411 Secondary Air is not being diverted
P1413 Secondary Air Injection System Monitor circuit Low Voltage
P1414 Secondary Air Injection System Monitor circuit High Voltage
P1442 Secondary Air Injection System Monitor circuit High Voltage
P1443 Evaporative Emission Control System - Vacuum System - Purge Control Solenoid or Purge Control Valve fault
P1444 Purge Flow Sensor circuit Input Low
P1445 Purge Flow Sensor circuit Input High
P1450 Inability of Evaporative Emission Control System to Bleed Fuel Tank
P1451 EVAP Control System Canister Vent Solenoid Circuit Malfunction
P1452 Inability of Evaporative Emission Control System to Bleed Fuel Tank
P1455 Substantial Leak or Blockage in Evaporative Emission Control System
P1460 Wide Open Throttle Air Conditioning Cutoff circuit malfunction
P1461 Air Conditioning Pressure Sensor circuit Low Input
P1462 Air Conditioning Pressure Sensor circuit high Input
P1463 Air Conditioning Pressure Sensor Insufficient Pressure change
P1464 ACCS to PCM High During Self-Test
P1469 Low Air Conditioning Cycling Period
P1473 Fan Secondary High with Fans Off
P1474 Low Fan Control Primary circuit
P1479 High Fan Control Primary circuit
P1480 Fan Secondary Low with Low Fans On
P1481 Fan Secondary Low with High Fans On
P1483 Power to Cooling Fan Exceeded Normal Draw
P1484 Variable Load Control Module Pin 1 Open
P1500 Vehicle Speed Sensor Intermittent
P1501 Programmable Speedometer & Odometer Module/Vehicle Speed Sensor Intermittent circuit-failure
P1502 Invalid or Missing Vehicle Speed Message or Brake Data
P1504 Intake Air Control circuit malfunction
P1505 Idle Air Control System at Adaptive Clip
P1506 Idle Air Control Over Speed Error
P1507 Idle Air Control Under Speed Error
P1512 Intake Manifold Runner Control Stuck Closed
P1513 Intake Manifold Runner Control Stuck Closed
P1516 Intake Manifold Runner Control Input Error
P1517 Intake Manifold Runner Control Input Error
P1518 Intake Manifold Runner Control fault - Stuck Open
P1519? Intake Manifold Runner Control Stuck Open
P1520? Intake Manifold Runner Control circuit fault
P1519? Intake Manifold Runner Control fault - Stuck Closed
P1520? Intake Manifold Runner Control fault
P1530 Open or Short to A/C Compressor Clutch circuit
P1537 Intake Manifold Runner Control Stuck Open
P1538 Intake Manifold Runner Control Stuck Open
P1539 Power to A/C Compressor Clutch circuit Exceeded Normal Current Draw
P1549 Intake Manifold Temperature Valve Vacuum Actuator Connection
P1550 Power Steering Pressure Sensor out of Self-Test Range
P1605 PCM Keep Alive Memory Test Error
P1625 Voltage to Vehicle Load Control Module Fan circuit not detected
P1626 Voltage to Vehicle Load Control Module circuit not detected
P1650 Power Steering Pressure Switch out of Self-Test Range
P1651 Power Steering Pressure Switch Input fault
P1700 Transmission system problems
P1701 Reverse Engagement Error
P1702 Transmission system problems
P1703 Brake On/Off Switch out of Self-Test Range
P1704 Transmission system problems
P1705 Manual Lever Position Sensor out of Self-Test Range
P1709 Park or Neutral Position Switch out of Self-Test Range
P1710 Transmission system problems
P1711 Transmission Fluid Temperature Sensor out of Self-Test Range
P1713
thru
P172 Transmission system problems
P1729 4x4 Low Switch Error
P1740 Transmission system problems
P1741 Torque Converter Clutch Control Error
P1742 Torque Converter Clutch Solenoid Faulty
P1743 Torque Converter Clutch Solenoid Faulty
P1744 Torque Converter Clutch System Stuck in Off Position
P1745 Transmission system problems
P1746 Electronic Pressure Control Solenoid - Open circuit
P1747 Electronic Pressure Control Solenoid - Short circuit
P1749 Electronic Pressure Control Solenoid Failed Low
P1751 Shift Solenoid No. 1 Performance
P1754 Coast Clutch Solenoid circuit malfunction
P1756 Shift Solenoid No. 2 Performance
P1760 Transmission system problems
P1761 Shift Solenoid No. 3 Performance
P1762 Transmission system problems
P1767 Transmission system problems
P1780 Transmission Control Switch circuit is out of Self-Test Range
P1781 4x4 Low Switch is out of Self-Test Range
P1783 Transmission Over-Temperature Condition
P1784 Transmission system problems
P1785 Transmission system problems
P1786 Transmission system problems
P1787 Transmission system problems
P1788 Transmission system problems
P1789 Transmission system problems
P1900 Transmission system problems

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Retrieved codes P0191, P0152, P1246, P1233 and P1000 on my 02' Taurus 3.0 OHV. What would be the most likely culprit causing these codes?


P1000 - Monitor Testing Not Complete The on board diagnostic II (OBD II) monitors are performed during the OBD II Drive Cycle. The DTC will be stored in continuous memory if any of the OBD II monitors do not complete.
  • Vehicle is new from the factory
  • Battery or PCM had recently been disconnected
  • An OBD II monitor failure had occurred before completion of an OBD II drive cycle
  • PCM DTCs have recently been cleared with a scan tool
  • PTO circuit is shorted to VPWR or B+ or PTO is on during testing
The DTC does not need to be cleared from the PCM except to pass an inspection/maintenance test

Aug 04, 2015 | 2002 Ford Taurus

2 Answers

p1000 code appeared. just replaced alt. recharged batt. wont start.


The definition for P1000 code is as follows:
OBD II Monitor Testing not complete
You may be experiencing ECM computer problems. Have it diagnosed by a certified ASE professional.

Feb 06, 2011 | 1998 Jaguar XK8

1 Answer

my scan tool says p1000 when i look up the codes on my f150 just woundering what p1000 is


Hello, my name is Ben. Here is the short answer: P1000 OBD-II Monitor Testing Incomplete
P1000 will be set anytime there is any interruption of power to the PCM. This action could be but is not limited to, changing the battery, clearing history codes, or reprogramming the PCM. If there are no other codes stored the P1000 will clear itself after several "driving cycles". I hope this helps you, Ben.

Jun 24, 2010 | 2002 Ford F150 Regular Cab

1 Answer

super duty fault code p1000


P1000 OBD-II Monitor Testing Incomplete

This is NOT a fault code. It is an indicator code that simply means all the self-tests have not been run yet since the last computer reset.
It's primary practical effect is to keep vehicle owner's from cheating on emissions tests.

That means there are no codes set and there aren’t enough drive cycles yet completed since the last time the codes were cleared. Once enough drive cycles have been completed you will get system passed or a fault code.

Most likely you need to take a drive, 10 minutes at highway speeds and 20 minutes at city speeds, without turning off the engine. Also while driving at city speeds there has to be several periods of stop and go.

Feb 06, 2010 | 2003 Ford F250 Super Duty Crew Cab

1 Answer

CAN YOU TELL ME WHAT THE P1000 CODE MEANS FOR A 1999 FORD F-150 PICK UP TRUCK


P1000 means a drive cycle has not completed, it will only clear itself after driving the vehicle through certain driving conditions. If you try to clear the code, it will reappear until you repeat the drive cycle. I am not too familiar with what AE will show, but if you can access Mode 6 data or the OBD Drive Cycle(These are two options from the IDS at Ford), It may help to show what tests have either failed or not completed. Heres what must be done to clear the P1000:


Note: The IAT PID must be between 10-38°C (50-100° F) during the OBD II drive cycle to enter into all the OBD II monitors. The FLI PID must be between 15% and 85% at all times.

Drive in stop-and-go traffic with at lease 4 idle periods (30 seconds each) while observing the status of the OBD II monitor on the scan tool. If the exhaust gas recirculation (EGR), heated oxygen sensor (HO2S), evaporative emission (EVAP), secondary air (AIR) (if applicable) or catalyst efficiency monitor have not completed, drive on the highway at a constant speed over 64 km/hr (40 mph) not to exceed 104 km/hr (65 mph) for up to 15 minutes. Heavy accelerations, sudden decelerations and wide open throttles are not recommended. If the scan tool sends out a three pulse beep at any time, the OBD II drive cycle has completed.

If there is only one certain component that hasn't completed its test, there are individual driving conditions to help those tests pass or fail if something is wrong.

Jun 23, 2009 | Ford F-150 Cars & Trucks

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