--- title: Ford Truck DTC Code Definitions description: P1000 OBD II Monitor Testing Incomplete P1001 KOER Test Cannot Be Completed P1039 VSS Speed Signal Missing Or Improper P1051 Brake Switch Signal Missing Or --- - [Help](https://www.upfix.com/help-center/) - [Track](https://www.upfix.com/order-tracking/) - [How It Works](https://www.upfix.com/how-it-works/) - [Contact](https://www.upfix.com/contact-us/) - [Shipping Address](https://www.upfix.com/how-it-works/shipping-instructions/) [![](https://blog.upfix.com/hubfs/UpFix%20logo.png)](https://www.upfix.com/) [![](https://blog.upfix.com/hubfs/web.png)upfix.com](https://www.upfix.com/) [![](https://blog.upfix.com/hubfs/phone.png)888-979-9343](tel:888-979-9343) - - - [obd-codes](https://blog.upfix.com/tag/obd-codes) # Ford Truck DTC Code Definitions [![Vitaly Sandyrev](https://blog.upfix.com/hs-fs/hubfs/DSC01763.png?width=50&height=50&name=DSC01763.png)](https://blog.upfix.com/author/vitaly-sandyrev) [Vitaly Sandyrev](https://blog.upfix.com/author/vitaly-sandyrev) March 1 2016 Last updated: April 9 2024 ![MyAirbags Ford Trucks OBD Codes](https://blog.upfix.com/hs-fs/hubfs/Imported_Blog_Media/MyAirbags-Ford-Trucks-OBD-Codes-e1521643463228-2.jpg?width=960&height=610&name=MyAirbags-Ford-Trucks-OBD-Codes-e1521643463228-2.jpg) | P1000 | OBD II Monitor Testing Incomplete | | | --- | --- | --- | | P1001 | KOER Test Cannot Be Completed | | | P1039 | VSS Speed Signal Missing Or Improper | | | P1051 | Brake Switch Signal Missing Or Improper | | | P1100 | MAF Sensor Intermittent | | | P1101 | MAF Sensor Out Of Self-Test Range | | | P1105 | MAP/BARO Solenoid Circuit Fault | | | P1109 | IAT Sensor 2 Intermittent | | | P1112 | IAT Sensor Intermittent | | | P1114 | IAT Sensor 2 Circuit Low Input | | | P1115 | IAT Sensor 2 Circuit High Input | | | P1116 | ECT Sensor Out Of Self-Test Range | | | P1117 | ECT Sensor Intermittent | | | P1120 | TP Sensor Out Of Range, Too Low | | | P1121 | TP Sensor Inconsistent With MAF Sensor | | | P1124 | TP Sensor Out Of Self-Test Range | | | P1125 | TP Sensor Intermittent | | | P1127 | H02S Heater Not On During KOER Test | | | P1128 | HO2S Sensor Signals Swapped | | | P1129 | HO2S Sensor Signals Swapped | | | P1130 | Lack Of Upstream H02S Switch, Adaptive Fuel Limit, Bank No. 1 | | | P1131 | Lack Of Upstream H02S Switch. Sensor Indicates Lean, Bank No. 1 | | | P1132 | Lack Of Upstream HO2S Switch, Sensor Indicates Rich, Bank No. 1 | | | P1135 | Ignition Switch Signal Missing Or Improper | | | P1137 | Lack Of Downstream H02S Switch, Sensor Indicates Lean, Bank No. 1 | | | P1138 | Lack Of Downstream HO2S Switch, Sensor Indicates Rich, Bank No. 1 | | | P1148 | Closed Loop Control Fault | | | P1150 | Lack Of Upstream HO2S Switch, Adaptive Fuel Limit, Bank No. 2 | | | P1151 | Lack Of Upstream HO2S Switch, Sensor Indicates Lean, Bank No. 2 | | | P1152 | Lack Of Upstream HO2S Switch, Sensor Indicates Rich, Bank No. 2 | | | P1157 | Lack Of Downstream H02S Switch, Sensor Indicates Lean, Bank No. 2 | | | P1158 | Lack Of Downstream HO2S Switch, Sensor Indicates Rich, Bank No. 2 | | | P1168 | Fuel Rail Pressure Sensor In Range, But Low | | | P1169 | Fuel Rail Pressure Sensor In Range, But High | | | P1180 | Fuel Delivery System Low | | | P1181 | Fuel Delivery System High | | | P1183 | Engine Oil Temperature Sensor Circuit Fault | | | P1184 | Engine Oil Temperature Sensor Out Of Self-Test Range | | | P1220 | Series Throttle Control Fault | | | P1224 | TP Sensor B Out Of Self-Test Range | | | P1229 | Supercharger Intercooler Pump Not Operating | | | 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 | | | P1244 | Alternator Load Input Low | | | P1245 | Alternator Load Input High | | | P1246 | Alternator Load Input Problem | | | P1250 | PCM Disabled | Vehicle Disabled | | P1260 | THEFT Deactivated, Engine Disabled | | | P1270 | Engine RPM Or Vehicle Speed Limiter Reached | | | P1285 | Cylinder Head Over Temperature Sensed | | | 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 | | | P1320 | Distributor Signal Interrupt | | | P1336 | CKP Or CMP Input Signal To PCM Concern | | | P1351 | Ignition Diagnostic Monitor Circuit Input Failed | | | 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 | Variable Cam Timing Solenoid Valve Circuit Short Or Open | | | P1381 | Variable Cam Timing Advance Excessive | | | P1383 | Variable Cam Timing Advance Retarded | | | P1385 | Variable Cam Timing Solenoid A Circuit Fault, Bank 2 | | | P1386 | Variable Cam Timing Over-Advanced, Bank 2 | | | P1388 | Variable Cam Timing Over-Retarded, Bank 2 | | | P1390 | Octane Adjust Out Of Self-Test Range | | | P1400 | Differential Pressure Feedback Electronic Circuit Low Voltage/EGR Temp. | | | P1401 | Differential Pressure Feedback Electronic Circuit High Voltage/EGR Temp | | | P1402 | EGR System High Flow Rate | | | P1403 | Differential Pressure Feedback Electronic Sensor Hoses Reversed | | | P1405 | Differential Pressure Feedback Electronic Sensor Upstream Hose | | | P1406 | Differential Pressure Feedback Electronic Sensor Downstream Hose | | | P1407 | EGR No Flow Detected | | | P1408 | EGR Flow Out Of Self-Test Range | | | P1409 | EGR Vacuum Regulator 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 | | | P1432 | Thermostat Heater Control Circuit Failure | | | P1436 | A/C Evaporator Temperature Circuit Low Input | | | P1437 | A/C Evaporator Temperature Circuit High Input | | | P1440 | EVAP System Small Leak Detected | | | P1442 | Secondary Air Injection System Monitor Circuit High Voltage | | | P1443 | Very Small Or No Purge Flow | | | P1444 | Purge Flow Sensor Circuit Input Low | | | P1445 | Purge Flow Sensor Circuit Input High | | | P1446 | EVAP System Vent Control Closed | | | P1447 | EVAP System Purge Flow Monitor | | | P1448 | EVAP System Vent Control Open | | | P1450 | Inability Of Evaporative Emissions Control System To Bleed Fuel Tank | | | P1451 | Lack Of Response From Passive Anti-Theft System Module, Engine Disabled | | | P1452 | Inability Of Evaporative Emissions Control System To Bleed Fuel Tank | | | P1455 | Substantial Leak Or Blockage In Evaporative Emissions Control System | | | P1460 | Wide Open Throttle A/C Cutoff Circuit Fault | | | P1461 | A/C Pressure Sensor Circuit Low/High Input | | | P1462 | A/C Pressure Sensor Circuit Low/High Input | | | P1463 | A/C Pressure Sensor Insufficient Pressure Change | | | P1464 | A/C Demand Out Of Self-Test Range | | | P1469 | Low A/C Cycling Period | | | P1473 | Fan Secondary High With Fans Off | | | P1474 | Hydraulic Cooling Fan Primary Circuit Failure Low Fan Control Primary Circuit | | | P1477 | Medium Fan Control Primary Circuit Failure | | | 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 No. 1 Open | | | P1490 | EVAP System Vacuum Cut Bypass Solenoid Circuit Fault | | | P1491 | EVAP System Vacuum Cut Bypass Solenoid Fault | | | P1500 | VSS Intermittent | | | P1501 | VSS Out Of Self-Test Range | | | P1502 | Invalid Or Missing Vehicle Speed Massage Or Brake Data | | | P1504 | IAC Circuit Fault | | | P1505 | IAC System At Adaptive Clip | | | P1506 | IAC Over Speed Error | | | P1507 | IAC 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 Stuck Open | | | P1519 | Intake Manifold Runner Control Stuck Open | | | P1520 | Intake Manifold Runner Control Circuit Fault | | | P1530 | Open Or Short To A/C Compressor | | | 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 | WIT Valve Vacuum Actuator Connection | | | P1550 | Power Steering Pressure Sensor Out Of Self-Test Range | | | P1565 | Cruise Control System Concern | | | P1568 | Cruise Control System Concern | | | P1572 | Brake Pedal Switch Circuit | | | P1582 | Electronic Throttle Monitor Data Available | | | P1605 | Diagnostic Communication Link/PCM KAM Test Error | | | P1606 | 4WD High Indicator Circuit Short to Battery | | | P1625 | Voltage To Vehicle Load Control Module Fan Circuit Not Detected | | | P1626 | Voltage To Vehicle Load Control Module Circuit Not Detected | | | P1633 | KAM Power Voltage Low | | | P1635 | Tire/Axle Ratio Out Of Acceptable Range | | | P1636 | Inductive Signature Chip Communication Error | | | P1639 | Vehicle ID Block Not Programmed Or Is Corrupt | | | P1640 | Powertrain DTCs Available In Another Module | | | P1641 | Fuel Pump Driver Module | | | P1650 | Power Steering Pressure Switch Out Of Self-Test Range | | | P1651 | Power Steering Pressure Switch Input Fault | | | P1701 | Reverse Engagement Error | | | P1702 | Transmission Concern | | | P1703 | Brake On/Off Switch Out Of Self-Test Range | | | P1705 | Manual Lever Position Sensor Out Of Self-Test Range/TPS Sensor | | | P1706 | Manual Lever Position Sensor Indicates Park During Operation | | | P1709 | Park/Neutral Position Switch Or TA Sensor Out Of Self-Test Range | | | P1710 | Transmission Fluid Temperature Sensor Out Of Self-Test Range | | | P1711 | Transmission Fluid Temperature Sensor Out Of Self-Test Range | | | P1714 | Shift Solenoid 1 Fault | | | P1715 | Shift Solenoid 2 Fault | | | P1728 | PCM Detects Excessive Transmission Slippage | | | P1731 | Shift Solenoid 1 Fault | | | P1732 | Shift Solenoid 1 Or 2 Fault | | | P1733 | Shift Solenoid 1 Or 2 Fault | | | P1740 | TCC Fault | | | P1741 | TCC Control Error | | | P1742 | TCC Solenoid Faulty | | | P1743 | TCC Solenoid Faulty | | | P1744 | TCC System Stuck In Off Position | | | 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 Fault | | | P1756 | Shift Solenoid No. 2 Performance | | | P1760 | Overrun Clutch Solenoid Valve | | | P1761 | Shift Solenoid No. 3 Performance | | | P1764 | Transmission Neutral In Tow Indicator Circuit Fault | | | P1767 | TCC Solenoid Circuit Failure | | | P1779 | Transmission Control Indicator Lamp Open Circuit | | | P1780 | Transmission Control Switch Circuit Out Of Self-Test Range | | | P1781 | 4x4L Switch Out Of Self Test Range | | | P1783 | Transmission Over Temperature Condition | | | P1784 | Transaxle Mechanical Failure 1st/Reverse, Low One-Way Clutch | | | P1785 | Transaxle Mechanical Failure 1st/2nd, Failure Of Low Intermediate Band | | | P1788 | 3-2 Timing/Coast Clutch Solenoid Circuit Open | | | P1789 | 3-2 Timing/Coast Clutch Solenoid Circuit Shorted | | | P1804 | 4WD High Circuit Indicator Failure | | | P1806 | 4WD High Circuit Indicator Short To Battery | | | P1808 | 4WD Low Indicator Circuit Failure | | | P1810 | 4WD Low Indicator Short To Power | | | P1812 | 4WD Mode Selector Circuit Failure | | | P1815 | 4WD Mode Selector Circuit or Short To Ground | | | P1819 | Neutral Safety Switch Circuit | | | P1820 | Transfer Case Lo To Hi Shift Relay Coil Circuit | | | P1822 | Transfer Case Lo To Hi Shift Relay Coil Circuit | | | P1824 | 4WD Electric Clutch Relay Circuit Failure | | | P1826 | 4WD Electric Clutch Relay Circuit Short To Battery | | | P1828 | Transfer Case Lo To Hi Shift Relay Coil Circuit | | | P1830 | Transfer Case Shift Relay Coil Circuit Short To Battery | | | P1832 | Transfer Case 4WD Solenoid Circuit | | | P1834 | Transfer Case 4WD Solenoid Circuit | | | P1836 | Transfer Case Front Shaft Speed Sensor Circuit Failure | | | P1837 | Transfer Case Rear Shaft Speed Sensor Circuit Failure | | | P1838 | Transfer Case Shift Motor Circuit Failure/or module | | | P1846 | Transfer Case Contact Plate A Circuit Failure | | | P1850 | Transfer Case Contact Plate B Circuit Failure | | | P1854 | Transfer Case Contact Plate C Circuit Failure | | | P1858 | Transfer Case Contact Plate D Circuit Failure | | | P1860 | Control Module Shift Motor Relay Shift Motor | | | P1865 | Transfer Case Contact Plate Power | | | P1866 | Transfer Case Contact Plates Circuits | | | P1867 | Transfer Case Contact Plate General Circuit Failure | | | P1868 | Automatic 4WD Indicator Circuit | | | P1869 | Automatic 4WD Indicator Circuit | | | P1874 | Automatic Hall Effect Sensor Power Circuit Failure | | | P1875 | Automatic Hall Effect Sensor Power Circuit Short To Battery | | | P1876 | Transfer Case 2WD Solenoid Circuit | | | P1877 | Transfer Case 2WD Solenoid Circuit | | | P1886 | 4x4 Initialization Failure | | | P1891 | Transfer Case Contact Plate Ground Return Open Circuit | | | P1894 | Rear Wiper Motor Speed Sensor | | | P1900 | OSS Circuit Intermittent Failure/Cooling Fan | | | U1009 | SCP Invalid Or Missing Data For Engine Torque | | | U1011 | SCP Invalid Or Missing Engine Air Intake | | | U1020 | Module Communications Network Concern | | | U1021 | Failure In Communication Between PCM and Variable Load Control Module | | | U1027 | SCP Invalid Or Missing Data For Engine RPM/No TPS Data | | | U1039 | Module Communications Network Concern | | | U1041 | SCP (J1850) Line Invalid Or Missing Vehicle Speed Data | | | U1042 | SCP Invalid Or Missing Traction Control Data Message | | | U1043 | Invalid Or Missing Traction Control Data | | | U1050 | SCP Invalid Or Missing Brake Data Message | | | U1051 | SCP (J1850) Line Invalid Or Missing Brake Data | | | U1059 | SCP Invalid Or Missing Data For Transmission/Transaxle/PRNDL | | | U1073 | SCP (J1850) Line Invalid Or Missing Engine Coolant Data | | | U1083 | SCP Invalid Or Missing Other Engine Data Message | | | U1123 | SCP (J1850) Line Invalid Or Missing Odometer Data | | | U1131 | SCP (J1850) Line Invalid Or Missing Fuel System Data | | | U1135 | SCP Invalid Or Missing Data For Ignition Switch/Starter | | | U1147 | Vehicle Security Status Message Missing | | | U1178 | SCP Invalid Or Missing Data For Climate Control | | | U1243 | SCP Invalid Or Missing Data For Exterior Environment | | | U1249 | SCP Incalid Or Missing Time/Data Message | | | U1256 | Variable Load Control Module Concern | | | U1262 | SCP (J1850) Line Bus Communication Fault | | | U1341 | Invalid Or Missing Data For Vehicle Speed | | | U1451 | Module Communications Network Concern | | | U1850 | Invalid Or Missing Fuel System Data | | | U1900 | CAN Network #1 Communication Bus Fault-Receive Error | | | U1901 | CAN Network #2 Communication Bus Fault-Receive Error | | | U2003 | Audio Compact Disc/Disc Jockey Is Not Responding | | | U2005 | Audio Rear Integrated Control Panel (Ricp) Not Responding | | | U2008 | Cellular Phone Communication Fault | | | U2013 | Compass Module Not Responding | | | U2014 | Audio Subwoofer Unit Not Responding | | | U2017 | Driver's/Passenger Side Crash Sensor Communications Fault | | | U2018 | Driver's/Passenger Side Crash Sensor Communications Fault | | | U2026 | Family Entertainment System Is Not Responding | | | U2243 | SCP Invalid Or Missing Data For Exterior Environment | | Previous Post ###### [Is Your Instrument Cluster Not Working Correctly?](https://blog.upfix.com/speedometer-repairs) Next Post ###### [GM Vehicle - Passkey III – Transponder Ignition Key](https://blog.upfix.com/gm-vehicle-passkey-iii-transponder-ignition-key) ### Similar Blog Posts #### [Ford/Lincoln/Mercury DTC Code Definitions](https://blog.upfix.com/ford-lincoln-mercury-dtc-code-definitions) [![](https://blog.upfix.com/hs-fs/hubfs/Imported_Blog_Media/MyAirbags-OBD-Codes-e1521485226531-Nov-24-2023-07-09-20-0412-PM.jpg?width=352&name=MyAirbags-OBD-Codes-e1521485226531-Nov-24-2023-07-09-20-0412-PM.jpg)](https://blog.upfix.com/vw-audi-factory-dtc-codes) #### [VW/Audi Factory DTC 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