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Ford Powerstroke Fault Codes — Complete Guide

Ford Powerstroke SPN/FMI codes cover 6.7L Powerstroke, 6.0L Powerstroke, 7.3L Powerstroke. This hub lists 161 diagnostic pages with symptoms, ranked causes, scan-tool steps, and 2026 repair costs — use INSITE, DiagnosticLink, or EST depending on your engine family.

By Professional Diesel Repair TeamPublished: January 2026Last updated: September 2026

How We Tested and Verified

Ford Powerstroke fault code definitions cross-checked against SAE J1939-71 and Ford Powerstroke OEM service bulletins. Diagnostic tips validated by field technicians September 2026.

Ford Powerstroke Engine Platforms

Ford Powerstroke engines covered on this site include: 6.7L Powerstroke, 6.0L Powerstroke, 7.3L Powerstroke. Diagnostic procedures vary by platform — always verify against your specific engine serial number and calibration.

Most Common Ford Powerstroke Fault Codes

CodeComponentSeverityDefinition
SPN CP4-67PS FMI N/AHigh-Pressure Fuel Pump (CP4)CriticalDiagnostic guide for CP4 high-pressure fuel pump failure symptoms on 6.7L Ford Power Stroke engines
SPN P0217 FMI N/AEngine Coolant Temperature SystemCriticalEngine Over Temperature Condition
SPN P0217 FMI N/AEngine Coolant Temperature SystemCriticalEngine Over Temperature Condition
SPN P0217 FMI N/AEngine Coolant Temperature SystemCriticalEngine Over Temperature Condition
SPN P0217 FMI N/AEngine Coolant Temperature SystemCriticalEngine Over Temperature Condition
SPN P0217 FMI N/AEngine Coolant Temperature SystemCriticalEngine Over Temperature Condition
SPN P0524 FMI N/AEngine Oil PressureCriticalEngine Oil Pressure Too Low
SPN P0611 FMI N/AFuel Injector Control Module (FICM)CriticalFuel Injector Control Module Performance
SPN P228D FMI N/AFuel Pressure Regulator 1 Exceeded Learning LimitCriticalFuel Pressure Regulator 1 Exceeded Learning Limits
SPN P228D FMI N/AFuel Pressure Regulator 1 Exceeded Learning LimitCriticalFuel Pressure Regulator 1 Exceeded Learning Limits
SPN P228D FMI N/AFuel Pressure Regulator 1 Exceeded Learning LimitCriticalFuel Pressure Regulator 1 Exceeded Learning Limits
SPN P228D FMI N/AFuel Pressure Regulator 1 Exceeded Learning LimitCriticalFuel Pressure Regulator 1 Exceeded Learning Limits
SPN P228D FMI N/AFuel Pressure Regulator 1 Exceeded Learning LimitCriticalFuel Pressure Regulator 1 Exceeded Learning Limits
SPN 0089 FMI N/AFuel Rail Pressure RegulatorHighFuel Rail Pressure Regulator 1 Performance - Rail Pressure Too High
SPN 0090 FMI N/AFuel Pressure Regulator 1HighFuel Pressure Regulator 1 Control Circuit
SPN 0192 FMI N/AFuel Rail Pressure SensorHighFuel Rail Pressure Sensor Circuit Low Input
SPN 0230 FMI N/AFuel Pump Primary CircuitHighFuel Pump Primary Circuit Malfunction
SPN 2122 FMI N/AAccelerator Pedal Position SensorHighThrottle/Pedal Position Sensor/Switch D Circuit Low Input
SPN 2463 FMI N/ADiesel Particulate FilterHighDiesel Particulate Filter Restriction - Soot Accumulation
SPN P0087 FMI N/AFuel Rail Pressure Too LowHighFuel Rail/System Pressure Too Low

Ford Powerstroke-Specific Diagnostic Tips

  • FORScan or IDS/FDRS required for 6.7L bidirectional turbo and regen control.
  • 6.7L CP4 pump failure sends metal through entire fuel system — replace lines and rails.
  • 6.0L FICM voltage below 48V causes hard-start and injector misfire codes.

All Ford Powerstroke Fault Codes (161)

SPN 0089 FMI N/A

Fuel Rail Pressure Regulator

SPN 0090 FMI N/A

Fuel Pressure Regulator 1

SPN 0113 FMI N/A

Intake Air Temperature Sensor

SPN 0192 FMI N/A

Fuel Rail Pressure Sensor

SPN 0230 FMI N/A

Fuel Pump Primary Circuit

SPN 0406 FMI N/A

EGR Position Sensor

SPN 0544 FMI N/A

Exhaust Gas Temperature Sensor

SPN 0545 FMI N/A

Exhaust Gas Temperature Sensor

SPN 2122 FMI N/A

Accelerator Pedal Position Sensor

SPN 2463 FMI N/A

Diesel Particulate Filter

SPN CP4-67PS FMI N/A

High-Pressure Fuel Pump (CP4)

SPN P0087 FMI N/A

Fuel Rail Pressure Too Low

SPN P0087 FMI N/A

Fuel Rail Pressure Too Low

SPN P0087 FMI N/A

Fuel Rail Pressure Too Low

SPN P0087 FMI N/A

Fuel Rail Pressure Too Low

SPN P0087 FMI N/A

Fuel Rail Pressure Too Low

SPN P0088 FMI N/A

Fuel Rail Pressure Too High

SPN P0088 FMI N/A

Fuel Rail Pressure Too High

SPN P0088 FMI N/A

Fuel Rail Pressure Too High

SPN P0088 FMI N/A

Fuel Rail Pressure Too High

SPN P0088 FMI N/A

Fuel Rail Pressure Too High

SPN P0093 FMI N/A

Fuel System Leak Detected

SPN P0116 FMI N/A

Engine Coolant Temperature Circuit

SPN P0117 FMI N/A

Engine Coolant Temperature Sensor

SPN P0193 FMI N/A

Fuel Rail Pressure Sensor Circuit

SPN P0193 FMI N/A

Fuel Rail Pressure Sensor Circuit

SPN P0193 FMI N/A

Fuel Rail Pressure Sensor Circuit

SPN P0193 FMI N/A

Fuel Rail Pressure Sensor Circuit

SPN P0193 FMI N/A

Fuel Rail Pressure Sensor Circuit

SPN P0201 FMI N/A

Fuel Injector Circuit - Cylinder 1

SPN P0202 FMI N/A

Fuel Injector #2 Circuit

SPN P0203 FMI N/A

Fuel Injector Cylinder 3

SPN P0217 FMI N/A

Engine Coolant Temperature System

SPN P0217 FMI N/A

Engine Coolant Temperature System

SPN P0217 FMI N/A

Engine Coolant Temperature System

SPN P0217 FMI N/A

Engine Coolant Temperature System

SPN P0217 FMI N/A

Engine Coolant Temperature System

SPN P0219 FMI N/A

Engine Overspeed Condition

SPN P0234 FMI N/A

Turbocharger Boost Control System

SPN P0234 FMI N/A

Turbocharger Boost Control System

SPN P0234 FMI N/A

Turbocharger Boost Control System

SPN P0234 FMI N/A

Turbocharger Boost Control System

SPN P0234 FMI N/A

Turbocharger Boost Control System

SPN P0299 FMI N/A

Turbocharger Underboost

SPN P0299 FMI N/A

Turbocharger Underboost

SPN P0299 FMI N/A

Turbocharger Underboost

SPN P0299 FMI N/A

Turbocharger Underboost

SPN P0299 FMI N/A

Turbocharger Underboost

SPN P0300 FMI N/A

Engine Misfire / Combustion System

SPN P0335 FMI N/A

Crankshaft Position Sensor Circuit

SPN P0335 FMI N/A

Crankshaft Position Sensor Circuit

SPN P0335 FMI N/A

Crankshaft Position Sensor Circuit

SPN P0335 FMI N/A

Crankshaft Position Sensor Circuit

SPN P0335 FMI N/A

Crankshaft Position Sensor Circuit

SPN P0340 FMI N/A

Camshaft Position Sensor Circuit

SPN P0341 FMI N/A

Camshaft Position Sensor Circuit

SPN P0344 FMI N/A

Camshaft Position Sensor

SPN P0380 FMI N/A

Glow Plug/Heater Circuit A

SPN P0401 FMI N/A

EGR Flow Insufficient

SPN P0401 FMI N/A

EGR Flow Insufficient

SPN P0401 FMI N/A

EGR Flow Insufficient

SPN P0401 FMI N/A

EGR Flow Insufficient

SPN P0401 FMI N/A

EGR Flow Insufficient

SPN P0402 FMI N/A

EGR Valve / Flow Control

SPN P0402 FMI N/A

EGR Valve / Flow Control

SPN P0402 FMI N/A

EGR Valve / Flow Control

SPN P0402 FMI N/A

EGR Valve / Flow Control

SPN P0402 FMI N/A

EGR Valve / Flow Control

SPN P0403 FMI N/A

EGR Control Circuit

SPN P0404 FMI N/A

EGR Position Sensor / Valve

SPN P0471 FMI N/A

Exhaust Pressure Sensor

SPN P0472 FMI N/A

Exhaust Pressure Sensor Low

SPN P0472 FMI N/A

Exhaust Pressure Sensor Low

SPN P0472 FMI N/A

Exhaust Pressure Sensor Low

SPN P0472 FMI N/A

Exhaust Pressure Sensor Low

SPN P0472 FMI N/A

Exhaust Pressure Sensor Low

SPN P0500 FMI N/A

Vehicle Speed Sensor

SPN P0522 FMI N/A

Engine Oil Pressure Sensor / Switch Circuit

SPN P0523 FMI N/A

Engine Oil Pressure Sensor Circuit

SPN P0523 FMI N/A

Engine Oil Pressure Sensor Circuit

SPN P0523 FMI N/A

Engine Oil Pressure Sensor Circuit

SPN P0523 FMI N/A

Engine Oil Pressure Sensor Circuit

SPN P0523 FMI N/A

Engine Oil Pressure Sensor Circuit

SPN P0524 FMI N/A

Engine Oil Pressure

SPN P0527 FMI N/A

Fan Speed Sensor

SPN P0544 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit

SPN P0544 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit

SPN P0544 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit

SPN P0544 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit

SPN P0544 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit

SPN P0546 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit High

SPN P0546 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit High

SPN P0546 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit High

SPN P0546 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit High

SPN P0546 FMI N/A

Exhaust Gas Temperature Sensor 1 Circuit High

SPN P0562 FMI N/A

Charging System / Battery

SPN P0563 FMI N/A

System Voltage Circuit

SPN P0611 FMI N/A

Fuel Injector Control Module (FICM)

SPN P061B FMI N/A

Internal Control Module Torque Calculation

SPN P061B FMI N/A

Internal Control Module Torque Calculation

SPN P061B FMI N/A

Internal Control Module Torque Calculation

SPN P061B FMI N/A

Internal Control Module Torque Calculation

SPN P061B FMI N/A

Internal Control Module Torque Calculation

SPN P0670 FMI N/A

Glow Plug Control Circuit

SPN P0670 FMI N/A

Glow Plug Control Circuit

SPN P0670 FMI N/A

Glow Plug Control Circuit

SPN P0670 FMI N/A

Glow Plug Control Circuit

SPN P0670 FMI N/A

Glow Plug Control Circuit

SPN P0671 FMI N/A

Glow Plug Cylinder 1

SPN P2002 FMI N/A

DPF Efficiency Below Threshold

SPN P2002 FMI N/A

DPF Efficiency Below Threshold

SPN P2002 FMI N/A

DPF Efficiency Below Threshold

SPN P2002 FMI N/A

DPF Efficiency Below Threshold

SPN P2002 FMI N/A

DPF Efficiency Below Threshold

SPN P203B FMI N/A

Reductant Tank Heater Performance

SPN P203B FMI N/A

Reductant Tank Heater Performance

SPN P203B FMI N/A

Reductant Tank Heater Performance

SPN P203B FMI N/A

Reductant Tank Heater Performance

SPN P203B FMI N/A

Reductant Tank Heater Performance

SPN P2048 FMI N/A

DEF / SCR Reductant Temperature Sensor

SPN P204F FMI N/A

Reductant System Performance

SPN P207F FMI N/A

Reductant Quality Performance

SPN P20B9 FMI N/A

Reductant Injection Valve Performance

SPN P20B9 FMI N/A

Reductant Injection Valve Performance

SPN P20B9 FMI N/A

Reductant Injection Valve Performance

SPN P20B9 FMI N/A

Reductant Injection Valve Performance

SPN P20B9 FMI N/A

Reductant Injection Valve Performance

SPN P20EE FMI N/A

Ford 6.7 Powerstroke SCR System

SPN P20EE FMI N/A

SCR NOx Catalyst Efficiency

SPN P20EE FMI N/A

SCR NOx Catalyst Efficiency

SPN P20EE FMI N/A

SCR NOx Catalyst Efficiency

SPN P20EE FMI N/A

SCR NOx Catalyst Efficiency

SPN P2263 FMI N/A

Turbo Boost System

SPN P226A FMI N/A

DEF Quality Sensor Performance

SPN P226A FMI N/A

DEF Quality Sensor Performance

SPN P226A FMI N/A

DEF Quality Sensor Performance

SPN P226A FMI N/A

DEF Quality Sensor Performance

SPN P226A FMI N/A

DEF Quality Sensor Performance

SPN P228D FMI N/A

Fuel Pressure Regulator 1 Exceeded Learning Limit

SPN P228D FMI N/A

Fuel Pressure Regulator 1 Exceeded Learning Limit

SPN P228D FMI N/A

Fuel Pressure Regulator 1 Exceeded Learning Limit

SPN P228D FMI N/A

Fuel Pressure Regulator 1 Exceeded Learning Limit

SPN P228D FMI N/A

Fuel Pressure Regulator 1 Exceeded Learning Limit

SPN P242F FMI N/A

DPF Ash Accumulation

SPN P242F FMI N/A

DPF Ash Accumulation

SPN P242F FMI N/A

DPF Ash Accumulation

SPN P242F FMI N/A

DPF Ash Accumulation

SPN P242F FMI N/A

DPF Ash Accumulation

SPN P244A FMI N/A

DPF Differential Pressure

SPN P2452 FMI N/A

DPF Differential Pressure Sensor A

SPN P2459 FMI N/A

DPF Regeneration Frequency

SPN P2459 FMI N/A

DPF Regeneration Frequency

SPN P2459 FMI N/A

DPF Regeneration Frequency

SPN P2459 FMI N/A

DPF Regeneration Frequency

SPN P2459 FMI N/A

DPF Regeneration Frequency

SPN P246C FMI N/A

Diesel Particulate Filter / Soot Management

SPN P2563 FMI N/A

Turbocharger Boost Control Position Sensor A

SPN P2563 FMI N/A

Turbocharger Boost Control Position Sensor A

SPN P2563 FMI N/A

Turbocharger Boost Control Position Sensor A

SPN P2563 FMI N/A

Turbocharger Boost Control Position Sensor A

SPN P2563 FMI N/A

Turbocharger Boost Control Position Sensor A

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