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Volvo All Engines (2010 Emissions) Fault Code: SPN 173 FMI 4 PID: Engine Exhaust Gas Temperature

Category All Engines (2010 Emissions) Tags 173, 2010, 4, All, CodeSPN, Emissions, Engine, Engines, Exhaust, Fault, FMI, Gas, PID, Temperature, Volvo

The function identifies the exhaust temperature and indicates malfunction in the exhaust system. The evaluation is done at engine load after an engine cold start via three different temperature sensors. The exhaust gas temperature is used to determine when regeneration will run.

Conditions for diagnostic trouble code (DTC):
1) Open circuit
2) Short circuit to battery voltage
3) Replace with phrase describing observable symptom or hide

Probable cause
1) Exhaust Gas Temperature (EGT) Sensor
2) Wiring harness
3) Connector
4) Dosage electronic control unit (ECU) (ACM)

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Volvo All Engines (2010 Emissions) Fault Code: SPN 173 FMI 4 PID: Engine Exhaust Gas 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

Allison DOC 2021 V2 (1PC)

Freightliner ServiceLink 4.9.6

Bobcat Software Service Analyzer Version 87.07 ( 1PC )

PACCAR MX (2004 Emissions) Fault Code: U1154 CAN – Message (B) Time-Out from Brake System

Cummins ISB6.7 CM2150 (2007-09) Fault Code: 2636 PID: SID 027 SPN: 641 FMI: 9 VGT Actuator Driver Circuit – Abnormal Update Rate. No communications on the J1939 data link between the engine ECM and the smart VGT controller.

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 630 FMI 14 (CPC) Communication Interruption Between the Common Powertrain Controller and Motor Control Module

Cummins ISX CM870 (2003-06) Fault Code: 584 PID: S39 SPN: 677 FMI: 3/3 Starter Relay Driver Circuit – Voltage Above Normal or Shorted to High Source. Open circuit or high voltage detected at starter lockout circuit.

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 108 FMI 13 (MCM, CPC, ACM) Ambient Air Pressure Signal Not Available via CAN

PACCAR PX-6 CM2150 (2007-09) Fault Code: 2659 PID: 110 SPN: 110 FMI: 31 Engine Coolant Temperature – Condition Exists. The EGR valve was closed to reduce engine coolant temperature.

Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4077 FMI 4 (MCM) Doser Fuel Line Pressure Sensor Circuit Failed Low

Cummins ISB4.5 CM2150 Fault Code: 3577 PID: SPN: 4376 FMI: 3 Aftertreatment Diesel Exhaust Fluid Return Valve – Voltage Above Normal or Shorted to High Source.

Detroit DD13 EPA07 (2007-09) Fault Code: SPN 625 FMI 4 (CPC) ECAN Link Circuit Failure

Volvo All Engines (2013 Emissions) Fault Code: P11609B PID: EMS NOx Exceedance – Root Cause Unknown (First Level)

Cummins ISX15 CM2250 (2010-12) Fault Code: 1867 PID: 412 SPN: 412 FMI: 2 Engine Gas Recircuilation Temperature- Data Erratic, Intermittent, or Incorrect

Volvo All Engines (2013 Emissions) Fault Code: P040398 PID: EMS EGR “A” Control

Cummins ISB6.7 CM2350 (2013-17) Fault Code: 4525 PID: SPN: 5862 FMI: 16 Aftertreatment 1 SCR Intermediate Gas Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level. High SCR Intermediate temperature detected.

Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 4162 PID: SPN: 5742 FMI: 4 Aftertreatment Diesel Particulate Filter Temperture Sensor Module- Voltage Below Normal or Shorted to low Source

Detroit DD13 EPA07 (2007-09) Fault Code: SPN 70 FMI 19 (CPC) Park Brake Switch Signal from Source #1, #2, or #3 is Erratic

CAT 3406E (Prefix 1MM or 2WS) Fault Code: 34 PID: SPN: 64 FMI: 12 Secondary Engine Speed loss of signal

Cummins ISX11.9 CM2250 (2010-12) Fault Code: 1962 PID: SID 27 SPN: 641 FMI: 15 VGT Actuator Driver Over Temperature (Calculated)- Data Valid But Above Normal Operating Range- Least Severe Level

Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 3568 PID: SPN: 5394 FMI: 7 Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve- Mechanical System Not Responding or Out of Adjustment

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Volvo All Engines (2010 Emissions) Fault Code: SPN 173 FMI 4 PID: Engine Exhaust Gas 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

Allison DOC 2021 V2 (1PC)

Freightliner ServiceLink 4.9.6

Bobcat Software Service Analyzer Version 87.07 ( 1PC )

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