P0699 Mercury Sensor Reference Voltage C Circuit High

Possible causes

– Faulty Accelerator Pedal Position Sensor
– Accelerator Pedal Position Sensor harness is open or shorted
– Accelerator Pedal Position Sensor circuit poor electrical connection

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0699 Mercury Description

The Engine Control Module (ECM) has detected a high voltage at the Accelerator Pedal Position Sensor (APPS) supply circuit