Volvo All Engines (2010 Emissions) Fault Code: SPN 730 FMI 4 PID: SID 71 Intake Air Heater (IAH) 2

Category All Engines (2010 Emissions) Tags 2, 2010, 4, 71, 730, Air, All, CodeSPN, Emissions, Engines, Fault, FMI, Heater, IAH, Intake, PIDSID, Volvo

Conditions for diagnostic trouble code (DTC):
1) Preheating requested
2) The voltage at pin A14.EB:14 is less than 29?% of the battery voltage

Observable symptoms
1) Intake air heater (IAH) does not function
2) White smoke at cold start
3) Difficult to start in extreme cold

Probable cause
1) Wiring harness
2) Connector
3) Intake air heater (IAH) relay

CAT
CAT ET 2026 Diagnostic Software
$110.00 Add to cart
Detroit
DETROIT DIESEL DIAGNOSTIC LINK 8.23 SP2 2026
$120.00 Add to cart
Detroit
DETROIT DIESEL DIAGNOSTIC LINK DDDL 8.20 SP1 2025
$110.00 Add to cart
John Deere
John Deere Service Advisor 5.4.44 2025 (AG & CF) | Nexiq USB Link 3 Compatible
$420.00 Add to cart

VOLVO PTT TECH TOOL 2.8.220 2023 Last version 1pc
Trucks software $200.00
JCB ServiceMaster 4 v21.4.2 [05.2021] Diagnostic Software
JCB $85.00
EATON SERVICE RANGER SOFTWARE 4.13 2025
Eaton $90.00

Volvo All Engines (2010 Emissions) Fault Code: SPN 730 FMI 4 PID: SID 71 Intake Air Heater (IAH) 2

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

VOLVO PTT TECH TOOL 2.8.220 2023 Last version 1pc

JCB ServiceMaster 4 v21.4.2 [05.2021] Diagnostic Software

EATON SERVICE RANGER SOFTWARE 4.13 2025

PACCAR PX-8 CM2150 (2007-09) Fault Code: 1665 PID: SPN: 3241 FMI: 4 Aftertreatment Exhaust Gas Temperature 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the catalyst inlet sensor circuit.

Allison 1000 & 2000 Gen 4 Fault Codes: P0722 Output Speed Sensor Circuit No Signal

Cummins ISX12 CM2250 (2010-12) Fault Code: 1963 PID: SID 332 SPN: 3482 FMI: 7 Aftertreatment Fuel Shutoff Valve 1- Mechanical System Not Responding Properly or Out of Adjustment

Cummins ISX12 CM2250 (2010-12) Fault Code: 249 PID: 171 SPN: 171 FMI: 3 Ambient Air Temperature Sensor 1 Circuit- Voltage Above Normal or Shorted to High Source

Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 3844 PID: SPN: 5605 FMI: 31 Cruise Control Disable Command- Condition Exists

Cummins ISC CM2150 (2007-09) Fault Code: 449 (ISB/QSB3.3) PID: 94 SPN: 157 FMI: 0 Injector Metering Rail Number 1 Pressure – Data Valid But Above Normal Operating Range – Most Severe Level. The ECM has detected that fuel pressure in the fuel rail is higher than the fuel pressure relief valve.

Volvo Engine D12D AE E3 (Tier 3) Fault Code: SID211 FMI 3 Sensor Supply Voltage #2 (+5V DC)

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4356 FMI 4 (ACM) Line Heater #3 Circuit Failed Low

Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 7319 PID: SPN: 3226 FMI: 11/31 Aftertreatment 1 Outlet NOx Sensor – Condition Exists

Volvo All Engines (2013 Emissions) Fault Code: P111E00 PID: EMS Engine Coolant Temperature Moderately High

Allison 1000 & 2000 Gen 5 Fault Code:P0720 Output Shaft Speed Sensor Circuit

Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 4155 PID: SPN: 5746 FMI: 3 Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Heater Relay Circuit- Voltage Above Normal or Shorted to High Source

Cummins ISB6.7 CM2350 (2013-17) Fault Code: 2185 PID: SID 232 SPN: 3512 FMI: 3 Sensor Supply 4 Circuit- Voltage Above Normal or Shorted to High Source

Volvo Engine D11L (Tier 4) Fault Code: SID 1 FMI 3 Injector #1

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 164 FMI 2 (MCM) Fuel Rail Pressure Drift High

Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 256 PID: PID 171 SPN: 171 FMI: 4 Ambient Air Temperature Sensor 1 Circuit- Voltage Below Normal or Shorted to Low Source

Detroit DD15 EPA10 (2010-13) Fault Code: SPN 4337 FMI 3 (ACM) Diesel Exhaust Fluid Metering Unit Temperature – Drift

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 654 FMI 3 (MCM) Injector Cylinder #4 Needle Control Valve Abnormal Operation (MAX)

Store

About

Features

Follow Us

Volvo All Engines (2010 Emissions) Fault Code: SPN 730 FMI 4 PID: SID 71 Intake Air Heater (IAH) 2

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

VOLVO PTT TECH TOOL 2.8.220 2023 Last version 1pc

JCB ServiceMaster 4 v21.4.2 [05.2021] Diagnostic Software

EATON SERVICE RANGER SOFTWARE 4.13 2025

Related products

Allison 1000 & 2000 Gen 5 Fault Code:P2729 Pressure Control Solenoid 1 (PCS1) Control Circuit – Low

Allison 1000 & 2000 Gen 5 Fault Code:P2763 TCC PCS Control Circuit High

Allison 1000 & 2000 Gen 5 Fault Code:P1892 Throttle Position Sensor (TPS) PWM Signal – High Input

Allison 1000 & 2000 Gen 5 Fault Code:U0100 Lost Communication With ECM A

Allison 1000 & 2000 Gen 5 Fault Code:P0980 Shift Solenoid 3 (SS3) Control Circuit – High

Allison 1000 & 2000 Gen 5 Fault Code:P2669 Actuator Supply Voltage 2 Open

Allison 1000 & 2000 Gen 5 Fault Code:P2686 Actuator Supply Circuit Voltage 3 High (HSD3)

Allison 1000 & 2000 Gen 5 Fault Code:P2684 Actuator Supply Circuit Voltage 3 Open (HSD3)

Allison 1000 & 2000 Gen 5 Fault Code:P0976 Shift Solenoid 2 (SS2) Control Circuit – Low

Allison 1000 & 2000 Gen 5 Fault Code:U0074 CAN Communications BUS 2 Off

Allison 1000 & 2000 Gen 5 Fault Code:P0974 Shift Solenoid 1 (SS1) Control Circuit – High

Allison 1000 & 2000 Gen 5 Fault Code:U0073 CAN Communication Bus 1 Off

PACCAR PX-8 CM2150 (2007-09) Fault Code: 1665 PID: SPN: 3241 FMI: 4 Aftertreatment Exhaust Gas Temperature 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the catalyst inlet sensor circuit.

Allison 1000 & 2000 Gen 4 Fault Codes: P0722 Output Speed Sensor Circuit No Signal

Cummins ISX12 CM2250 (2010-12) Fault Code: 1963 PID: SID 332 SPN: 3482 FMI: 7 Aftertreatment Fuel Shutoff Valve 1- Mechanical System Not Responding Properly or Out of Adjustment

Cummins ISX12 CM2250 (2010-12) Fault Code: 249 PID: 171 SPN: 171 FMI: 3 Ambient Air Temperature Sensor 1 Circuit- Voltage Above Normal or Shorted to High Source

Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 3844 PID: SPN: 5605 FMI: 31 Cruise Control Disable Command- Condition Exists

Cummins ISC CM2150 (2007-09) Fault Code: 449 (ISB/QSB3.3) PID: 94 SPN: 157 FMI: 0 Injector Metering Rail Number 1 Pressure – Data Valid But Above Normal Operating Range – Most Severe Level. The ECM has detected that fuel pressure in the fuel rail is higher than the fuel pressure relief valve.

Volvo Engine D12D AE E3 (Tier 3) Fault Code: SID211 FMI 3 Sensor Supply Voltage #2 (+5V DC)

Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4356 FMI 4 (ACM) Line Heater #3 Circuit Failed Low

Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 7319 PID: SPN: 3226 FMI: 11/31 Aftertreatment 1 Outlet NOx Sensor – Condition Exists

Volvo All Engines (2013 Emissions) Fault Code: P111E00 PID: EMS Engine Coolant Temperature Moderately High

Allison 1000 & 2000 Gen 5 Fault Code:P0720 Output Shaft Speed Sensor Circuit

Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 4155 PID: SPN: 5746 FMI: 3 Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Heater Relay Circuit- Voltage Above Normal or Shorted to High Source

Cummins ISB6.7 CM2350 (2013-17) Fault Code: 2185 PID: SID 232 SPN: 3512 FMI: 3 Sensor Supply 4 Circuit- Voltage Above Normal or Shorted to High Source

Volvo Engine D11L (Tier 4) Fault Code: SID 1 FMI 3 Injector #1

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 164 FMI 2 (MCM) Fuel Rail Pressure Drift High

Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 256 PID: PID 171 SPN: 171 FMI: 4 Ambient Air Temperature Sensor 1 Circuit- Voltage Below Normal or Shorted to Low Source

Detroit DD15 EPA10 (2010-13) Fault Code: SPN 4337 FMI 3 (ACM) Diesel Exhaust Fluid Metering Unit Temperature – Drift

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 654 FMI 3 (MCM) Injector Cylinder #4 Needle Control Valve Abnormal Operation (MAX)

Store

About

Features

Follow Us