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09 December, 2025

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Volvo All Engines (2010 Emissions) Fault Code: SPN 4354 FMI 4 PID: PSID 103 Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1

This diagnostic trouble code (DTC) indicates a malfunction at the diesel exhaust fluid (DEF) line heater 1. The DEF line...

09 December, 2025

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Volvo All Engines (2010 Emissions) Fault Code: SPN 4354 FMI 5 PID: PSID 103 Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1

This diagnostic trouble code (DTC) indicates a malfunction at the diesel exhaust fluid (DEF) line heater 1. The DEF line...

09 December, 2025

0 comments

Volvo All Engines (2010 Emissions) Fault Code: SPN 4355 FMI 3 PID: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 2

Conditions for diagnostic trouble code (DTC):1) Short circuit to battery voltage Probable cause1) Wiring harness2) R23B (Hose heater) Volvo All...

09 December, 2025

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Volvo All Engines (2010 Emissions) Fault Code: SPN 4355 FMI 4 PID: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 2

Conditions for diagnostic trouble code (DTC):1) Short circuit to ground Probable cause1) Wiring harness2) R23B (Hose heater) Volvo All Engines...

09 December, 2025

0 comments

Volvo All Engines (2010 Emissions) Fault Code: SPN 4355 FMI 5 PID: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 2

Conditions for diagnostic trouble code (DTC):1) Open circuit Probable cause1) Wiring harness2) R23B (Hose heater) Volvo All Engines (2010 Emissions)...

09 December, 2025

0 comments

Volvo All Engines (2010 Emissions) Fault Code: SPN 4356 FMI 3 PID: PSID 102 Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3

This diagnostic trouble code (DTC) indicates a malfunction at the diesel exhaust fluid (DEF) line heater 3. The DEF lines...

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