Ford P0687 OBD-II Trouble Code Definition:
P0687 Engine Control Module Power Relay Control Circuit High
P0687 Ford OBD-II Trouble CodeDescription:
OBD Trouble Code P0687
ECM/PCM Power Relay Control Circuit High
What does the code mean? OBD-ii Code P0687 definition:
The Engine Control Module (ECM) has detected a high voltage condition to the ECM.
The Engine Control Module (ECM) has detected a high voltage condition to the ECM.
Symptoms Sumptoms of OBD code P0687
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine Light ON (or Service Engine Soon Warning Light)
Causes Causes of the OBD-II code P0687
– Weak battery- Low voltage while cranking – Poor engine control module electrical connection – Open or short engine control module circuit
– Weak battery- Low voltage while cranking – Poor engine control module electrical connection – Open or short engine control module circuit
Solutions