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Home >> Lincoln >> 2018 >> MKZ Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1029 (Electronic Engine Controls System - 3.0L ECOBOOST) >> Diagnosis And Testing >> Electronic Engine Controls >> Pinpoint Tests >> Pinpoint Test H : LH (Left-Hand) Engine Mount Control Faults >> Notes

Pinpoint Test H : LH (Left-Hand) Engine Mount Control Faults: Notes

WARNING: This page is about a different car, the 2018 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.

LH Engine Mount Control Faults 

DTC Fault Trigger Condition-PCM 

DTC Description Fault Trigger Conditions
P0AB6 Engine Mount Control "B" Circuit/Open The PCM sets this DTC if it senses greater than expected voltage on the engine mount control circuit, indicating an open circuit or solenoid.
P0AB7 Engine Mount Control "B" Circuit Low Sets when the PCM detects a short to ground on the engine mount control circuit a short directly to ground.
P0AB8 Engine Mount Control "B" Circuit High Sets when the PCM detects a short to voltage on the engine mount control circuit indicating a short directly to voltage.

Normal Operation and Fault Conditions 

The engine mount control solenoid controls the engine mount stiffness. If the system malfunctions, a rougher than expected idle will occur.

Possible Sources 

Visual Inspection and Diagnostic Pre-checks