The preheat function is used to warm up the inlet air during cold conditions both before and after cranking to make the starting easier and better for the environment at very low temperatures. This diagnostic trouble code (DTC) detects a faulty preheat function.
Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A14.EB:7 is more than 91?% battery voltage
Diagnostic operating conditions
1) Ignition key in ON position
Observable symptoms
1) Intake air heater (IAH) relay may be constantly activated
2) High intake air temperature (IAT)
3) High current consumption
4) Power loss
5) Low battery voltage
Probable cause
1) Connector
2) Wiring harness
3) Intake air heater (IAH) relay
-
International Truck ISIS – Oncommand Service Information Q4.2020 [04.2020]
Navistar $85.00Rated 0 out of 5 -
CAT ET 2021A (Caterpillar Electronic Technician) + Factory Password (1 PC )
CAT $65.00Rated 0 out of 5 -
JOHN DEERE SERVICE ADVISOR 5.3.225 DATABASE AG + CF ENGLISH 2023
John Deere $250.00Rated 0 out of 5 -
JPRO 2022 v1 Commercial Vehicle Diagnostics V1 Software Download & Installation Service ( 1 PC )
JPRO $94.00Rated 0 out of 5 -
CAT Engine Reprogramming Tool for flash programming C1.8, C2.4, C3.8 & C3.3B + Guide
CAT $50.00Rated 0 out of 5 -
Wabco ToolBox plus 13.7 + ECAS CAN2 v3.00 Diagnostics Software
Trucks software $84.00Rated 0 out of 5
Related products
-
Allison 1000 & 2000 Gen 5 Fault Code:P0977 Shift Solenoid 2 (SS2) Control Circuit – High
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P0973 Shift Solenoid 1 (SS1) Control Circuit – Low
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P2686 Actuator Supply Circuit Voltage 3 High (HSD3)
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P2789 Clutch Adaptive Learning at Limit
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P0974 Shift Solenoid 1 (SS1) Control Circuit – High
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P2764 TCC PCS Control Circuit Low
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P2669 Actuator Supply Voltage 2 Open
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P1891 Throttle Position Sensor (TPS) PWM Signal – Low Input
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P0122 Pedal Position Sensor Circuit – Low Voltage
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P2670 Actuator Supply Voltage 2 (HSD2) – Low
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P2727 Pressure Control Solenoid 1 (PCS1) Control Circuit – Open
1000 & 2000 Gen 5Rated 0 out of 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P097C Shift Solenoid 3 (SS3) Control Circuit – Open
1000 & 2000 Gen 5Rated 0 out of 5
-
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1072 FMI 5 (MCM) Jake Brake Stage 1 Circuit Failed Open
DD16 GHG14 (2014-16)Rated 0 out of 5 -
Eaton Gen 2 (AutoShift) Fault Code: 27 PID: SID 55 FMI: 7 Clutch Disengagement
DTC TRUCKSRated 0 out of 5 -
Volvo All Engines (2010 Emissions) Fault Code: SPN 3245 FMI 2 PID: PPID 436 Aftertreatment DPF Outlet Temperature
All Engines (2010 Emissions)Rated 0 out of 5 -
Volvo All Engines (2017 Emissions) Fault Code: P003011 PID: EMS HO2S Heater Control Bank 1 Sensor 1
All Engines (2017 Emissions)Rated 0 out of 5 -
Volvo All Engines (2013 Emissions) Fault Code: P110501 PID: EMS Engine Rear Start Switch “A” Circuit
All Engines (2013 Emissions)Rated 0 out of 5 -
Volvo All Engines (2017 Emissions) Fault Code: P24A200 PID: EMS Diesel Particulate Filter Regeneration Incomplete (Bank 1)
All Engines (2017 Emissions)Rated 0 out of 5 -
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 51 FMI 3 (MCM) Intake Throttle Valve Circuit Failed High
DD16 EPA10 (2010-13)Rated 0 out of 5 -
Detroit DD13 GHG14 (2014-16) Fault Code: SPN 974 FMI 3 (CPC) Remote Accelerator Pedal Circuit Failed High
DD13 GHG14 (2014-16)Rated 0 out of 5 -
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 84 FMI 4 (CPC) Vehicle Speed Sensor Circuit Failed Low
DD16 GHG14 (2014-16)Rated 0 out of 5 -
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 5362 FMI 16 (MCM) Cylinder #5 Engine Smoothness Control/Quantity Low
DD16 GHG14 (2014-16)Rated 0 out of 5 -
Eaton Fuller Advantage (2017) Fault Code: 58 PID: SPN: 191 FMI: 8 Output Shaft Speed Sensor: Abnormal Frequency
DTC TRUCKSRated 0 out of 5