Volvo All Engines (2010 Emissions) Fault Code: SPN 3051 FMI 7 PID: Catalyst 2 System Monitor

Category All Engines (2010 Emissions) Tags 2, 2010, 3051, 7, All, Catalyst, CodeSPN, Emissions, Engines, Fault, FMI, monitor, PID, System, Volvo

Conditions for diagnostic trouble code (DTC):
1) Insufficient aftertreatment diesel exhaust fluid (DEF) dosage

Observable symptoms
1) Smell of ammonia

Probable cause
1) Aftertreatment diesel exhaust fluid (DEF) dosage valve
2) Aftertreatment selective catalytic reduction (SCR) catalyst

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Volvo All Engines (2010 Emissions) Fault Code: SPN 3051 FMI 7 PID: Catalyst 2 System Monitor

CAT ET 2026 Diagnostic Software

DETROIT DIESEL DIAGNOSTIC LINK 8.23 SP2 2026

DETROIT DIESEL DIAGNOSTIC LINK DDDL 8.20 SP1 2025

John Deere Service Advisor 5.4.44 2025 (AG & CF) | Nexiq USB Link 3 Compatible

NAVISTAR ENGINE CYLINDER PERFORMANCE ANALYZER V7.8.8.1

HINO EPC 2018 TRUCKS / BUSES 2018 EPC PARTS CATALOG

Diamond Logic Builder DLB 2018

Cummins ISL CM850 (2003-06) Fault Code: 115 PID: 190 SPN: 612 FMI: 2 Engine Magnetic Crankshaft Speed/Position Lost Both of Two Signal – Data Erratic, Intermittent, or Incorrect. The ECM has detected that the primary engine speed sensor and the backup engine speed sensor signals are reversed.

Cummins ISB6.7 CM2150 (2007-09) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit.

Cummins ISB4.5 CM2150 Fault Code: 1911 PID: 157 SPN: 157 FMI: 0 Injector Metering Rail Number 1 Pressure – Data Valid But Above Normal Operating Range – Most Severe Level.

CAT 3126E Fault Code: 253-14 PID: Flash Code 56 SPN: FMI: Truck Manufacturer Paremater Not Programmed

Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 3321 PID: SPN: 3246 FMI: 4 Aftertreatment Diesel Particulate Filter Outlet Temperature Sensor Circuit- Voltage Below Normal or Shorted to Low Source

PACCAR PX-8 CM2150 (2007-09) Fault Code: 2557 PID: SID 057 SPN: 697 FMI: 3 Auxiliary PWM Driver 1 – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the analog torque circuit.

Detroit DD15 GHG14 (2014-16) Fault Code: SPN 1716 FMI 9 (CPC) ERC1 Message is Missing

Detroit DD13 EPA07 (2007-09) Fault Code: SPN 3246 FMI 10 (MCM) Diesel Particulate Filter Outlet Temperature Sensor Stuck

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 84 FMI 3 (MCM) Vehicle Speed Sensor Open Circuit

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 3713 FMI 31 (ACM) High Idle Regeneration Aborted – Low Regeneration Temperature

Cummins ISB CM850 (2003-06) Fault Code: 429 (Auto) PID: 97 SPN: 97 FMI: 4 Water-in-Fuel Indicator Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at the water-in-fuel circuit.

Detroit DD16 EPA07 (2007-09) Fault Code: SPN 3242 FMI 8 (MCM) Motor Control Module Has Detected an Impossible Temperature Shift on the Diesel Oxidation Catalyst Inlet Temperature Sensor

Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 4484 PID: SPN: 3667 FMI: 7 Engine Air Shutoff- Mechanical System Not Responding or Out of Adjustment

Volvo All Engines (2013 Emissions) Fault Code: P02E300 PID: EMS Diesel Intake Air Flow Control Circuit High

Detroit DD16 EPA07 (2007-09) Fault Code: SPN 411 FMI 0 (MCM) Exhaust Gas Recirculation Delta P Pressure is Too High at Low Speeds and Loads

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 66 PID: 40 SPN: FMI: 6 Auxiliary Output #02 current high

Detroit DD15 GHG14 (2014-16) Fault Code: SPN 91 FMI 2 (CPC) Erratic Data

Cummins ISX11.9 CM2250 (2010-12) Fault Code: 3616 PID: SID 27 SPN: 2633 FMI: 7 Engine Variable Geometry Turbocharger (VGT) Nozzle Position- Mechanical System Not Responding or Out of Adjustment

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Volvo All Engines (2010 Emissions) Fault Code: SPN 3051 FMI 7 PID: Catalyst 2 System Monitor

CAT ET 2026 Diagnostic Software

DETROIT DIESEL DIAGNOSTIC LINK 8.23 SP2 2026

DETROIT DIESEL DIAGNOSTIC LINK DDDL 8.20 SP1 2025

John Deere Service Advisor 5.4.44 2025 (AG & CF) | Nexiq USB Link 3 Compatible

NAVISTAR ENGINE CYLINDER PERFORMANCE ANALYZER V7.8.8.1

HINO EPC 2018 TRUCKS / BUSES 2018 EPC PARTS CATALOG

Diamond Logic Builder DLB 2018

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Cummins ISL CM850 (2003-06) Fault Code: 115 PID: 190 SPN: 612 FMI: 2 Engine Magnetic Crankshaft Speed/Position Lost Both of Two Signal – Data Erratic, Intermittent, or Incorrect. The ECM has detected that the primary engine speed sensor and the backup engine speed sensor signals are reversed.

Cummins ISB6.7 CM2150 (2007-09) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit.

Cummins ISB4.5 CM2150 Fault Code: 1911 PID: 157 SPN: 157 FMI: 0 Injector Metering Rail Number 1 Pressure – Data Valid But Above Normal Operating Range – Most Severe Level.

CAT 3126E Fault Code: 253-14 PID: Flash Code 56 SPN: FMI: Truck Manufacturer Paremater Not Programmed

Cummins X15 CM2350 X116B Performance Series (2018 & Newer) Fault Code: 3321 PID: SPN: 3246 FMI: 4 Aftertreatment Diesel Particulate Filter Outlet Temperature Sensor Circuit- Voltage Below Normal or Shorted to Low Source

PACCAR PX-8 CM2150 (2007-09) Fault Code: 2557 PID: SID 057 SPN: 697 FMI: 3 Auxiliary PWM Driver 1 – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the analog torque circuit.

Detroit DD15 GHG14 (2014-16) Fault Code: SPN 1716 FMI 9 (CPC) ERC1 Message is Missing

Detroit DD13 EPA07 (2007-09) Fault Code: SPN 3246 FMI 10 (MCM) Diesel Particulate Filter Outlet Temperature Sensor Stuck

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 84 FMI 3 (MCM) Vehicle Speed Sensor Open Circuit

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 3713 FMI 31 (ACM) High Idle Regeneration Aborted – Low Regeneration Temperature

Cummins ISB CM850 (2003-06) Fault Code: 429 (Auto) PID: 97 SPN: 97 FMI: 4 Water-in-Fuel Indicator Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at the water-in-fuel circuit.

Detroit DD16 EPA07 (2007-09) Fault Code: SPN 3242 FMI 8 (MCM) Motor Control Module Has Detected an Impossible Temperature Shift on the Diesel Oxidation Catalyst Inlet Temperature Sensor

Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 4484 PID: SPN: 3667 FMI: 7 Engine Air Shutoff- Mechanical System Not Responding or Out of Adjustment

Volvo All Engines (2013 Emissions) Fault Code: P02E300 PID: EMS Diesel Intake Air Flow Control Circuit High

Detroit DD16 EPA07 (2007-09) Fault Code: SPN 411 FMI 0 (MCM) Exhaust Gas Recirculation Delta P Pressure is Too High at Low Speeds and Loads

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 66 PID: 40 SPN: FMI: 6 Auxiliary Output #02 current high

Detroit DD15 GHG14 (2014-16) Fault Code: SPN 91 FMI 2 (CPC) Erratic Data

Cummins ISX11.9 CM2250 (2010-12) Fault Code: 3616 PID: SID 27 SPN: 2633 FMI: 7 Engine Variable Geometry Turbocharger (VGT) Nozzle Position- Mechanical System Not Responding or Out of Adjustment

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