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DTC - Diagnostic Trouble Codes information

P0687

Powertrain Codes

P0687 - VOLKSWAGEN - Engine Control Module Power Relay Control Circuit High

Symptoms

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

Possible Causes

- Weak battery- Low voltage while cranking - Poor engine control module electrical connection - Open or short engine control module circuit - Failed Fuse - Faulty relay

Description

The Engine Control Module (ECM) has detected a high voltage condition to the ECM.