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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 346 (Four-Wheel Drive Systems (2 Of 2)) >> Diagnosis And Testing >> Four-Wheel Drive Systems - Raptor, Vehicles With: 4HI-LOC Torque on Demand Transfer Case >> Symptom Chart: Four-Wheel Drive Systems

Symptom Chart: Four-Wheel Drive Systems

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Symptom Possible Sources Action
No communication with the TCCM Scan tool
DLC
TCCM
Wiring, terminals or connectors		 REFER to: Communications Network .
The shift motor does not operate correctly Wiring, terminals or connectors
Transfer case
TCCM
Shift motor		 GO to Pinpoint Test J 
The front axle does not engage/disengage correctly IWE
IWE solenoid
Transfer case
Vacuum leaks
Front axle assembly
TCCM		 GO to Pinpoint Test F 
The 4WD 4H jumps out of gear Transfer case internal components REFER to: Transfer Case - Raptor, Vehicles With: 2-Speed Torque On Demand Transfer Case .
Unable to achieve flat tow (neutral tow) mode Wiring, terminals or connectors
HS-CAN
IPC
TCCM
Door ajar switch
Ignition switch		 REFER to: Neutral Flat Tow Activation and Deactivation .
Unable to duplicate customer concern 4WD system and/or related components GO to Pinpoint Test A 
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