Ford fault codes
413 Ford OBD-II fault codes: what each one means, and how to track it down.
How to read a code
- P
- SystemPowertrain
- 0
- Defined bySAE, the same on every car
- 4
- AreaAuxiliary emission controls
- 20
- FaultThe specific fault in that area
Read the code
Note every stored and pending code your scanner shows, such as P0420.
Find it
Search by code or by words. For a manufacturer code (P1, B1, C1, U1) pick your make: its meaning differs by make.
Open the code
Its page explains the symptoms, likely causes, the checks to run and the fixes.
- P1000Ford · PowertrainOBD System Readiness Test Not Complete
- P1001Ford · PowertrainKOER Test Cannot Be Completed
- P1039Ford · PowertrainVehicle Speed Signal Missing or Improper
- P1051Ford · PowertrainBrake Switch Signal Missing or Improper
- P1100Ford · PowertrainMass Air Flow Sensor Intermittent
- P1101Ford · PowertrainMass Air Flow Sensor Out of Self-Test Range
- P1105Ford · PowertrainDual Alternator Upper Fault
- P1106Ford · PowertrainDual Alternator Lower Fault Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage
- P1107Ford · PowertrainDual Alternator Lower Circuit Malfunction Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage
- P1108Ford · PowertrainDual Alternator Battery Lamp Circuit Malfunction
- P1109Ford · PowertrainIAT - B Sensor Intermittent
- P1111Ford · PowertrainSystem Pass
- P1112Ford · PowertrainIntake Air Temperature Sensor Intermittent
- P1114Ford · PowertrainEngine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage IAT - B Circuit Low Input
- P1115Ford · PowertrainEngine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage IAT - B Circuit High Input
- P1116Ford · PowertrainEngine Coolant Temperature Sensor is Out of Self-Test Range
- P1117Ford · PowertrainEngine Coolant Temperature Sensor Intermittent
- P1118Ford · PowertrainManifold Absolute Temperature Circuit Low Input
- P1119Ford · PowertrainManifold Absolute Temperature Circuit High Input
- P1120Ford · PowertrainThrottle Position Sensor Out of Range
- P1121Ford · PowertrainThrottle Position Sensor Inconsistent with Mass Air Flow Sensor
- P1122Ford · PowertrainThrottle Position (TP) Sensor Circuit Intermittent Low Voltage
- P1123Ford · PowertrainThrottle Position Sensor In Range But Higher Than Expected
- P1124Ford · PowertrainThrottle Position Sensor Out of Self-Test Range
- P1125Ford · PowertrainThrottle Position Sensor Intermittent
- P1127Ford · PowertrainExhaust Not Warm Enough Downstream O2 Sensor Not Tested
- P1128Ford · PowertrainUpstream Heated Oxygen Sensor Signals Reversed
- P1129Ford · PowertrainDownstream Heated Oxygen Sensor Signals Reversed
- P1130Ford · PowertrainLack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 1
- P1131Ford · PowertrainLack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1