Volvo All Engines (2010 Emissions) Fault Code: SPN 171 FMI 19 PID: 171 Ambient Air Temperature

Category All Engines (2010 Emissions) Tags 171, 19, 2010, Air, All, Ambient, CodeSPN, Emissions, Engines, Fault, FMI, PID171, Temperature, Volvo

The ambient air temperature signal is sent to the instrument cluster module. The instrument cluster module then transmits the ambient air temperature data to the Engine Control Module (ECM) via the J1939 data lines.

Conditions for diagnostic trouble code (DTC):
1) No ambient air temperature sensor signal

Probable cause
1) Ambient air temperature sensor
2) Wiring harness
3) Ambient temperature below -30??C (-22??F)

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Volvo All Engines (2010 Emissions) Fault Code: SPN 171 FMI 19 PID: 171 Ambient Air Temperature

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DETROIT DIESEL DIAGNOSTIC LINK 8.23 SP2 2026

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Volvo All Engines (2010 Emissions) Fault Code: SPN 171 FMI 19 PID: 171 Ambient Air Temperature

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

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JPRO 2025 V2 Diagnostic Software

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