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Home >> Ford >> 2018 >> Fusion Platinum, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Four-Wheel Drive Systems - Fusion (Except Hybrid)) >> Diagnosis And Testing >> Four-Wheel Drive Systems >> Pinpoint Tests >> Pinpoint Test D : AWD (All-Wheel Drive) Information Circuits Fault >> Notes

Pinpoint Test D : AWD (All-Wheel Drive) Information Circuits Fault: Notes

WARNING: This page is about a different variant/trim than selected.

Refer to All Wheel Drive (AWD) for schematic and connector information.

Normal Operation and Fault Conditions 

The AWD system uses data from other systems as inputs to the PCM. The PCM uses the inputs to determine the appropriate time to send a signal and have the AWD relay module energize the Active Torque Coupling (ATC) solenoid.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
P188C AWD Relay Module Communication Circuit When the PCM detects an open, a short to ground or voltage on the command circuit.
P188D AWD Relay Module Feedback Circuit When the PCM detects an open, a short to ground or voltage on the feedback circuit.

Possible Causes 

Visual Inspection and Diagnostic Pre-checks 

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