What does code P1627 mean?

P1627 · VolkswagenData Bus Powertrain Missing Message From Fuel Injection Pump

P1627 on Volkswagen vehicles means the engine control module (ECM) has lost the controller area network (CAN) message from the fuel injection pump over the powertrain data bus. The ECM expects regular status and command messages from the pump control module, and when those messages stop arriving, it stores this code and typically illuminates the check engine light.

SystemPowertrain

Code typeVolkswagen specific

SeverityHigh

Fix difficultyProfessional

AreaComputer and output circuits

Guidance is general and written for Volkswagen vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.