What does code P1625 mean?

Q: What does code P1625 mean?

CAN Bus Unplausible Message From Transmission Control. P1625 on Volkswagen vehicles means the engine control module (ECM) received a message from the transmission control module (TCM) over the CAN bus that it considers implausible or invalid. The ECM monitors the data stream for consistency and timing, and when a message fails its internal plausibility checks, it stores this code and may illuminate the malfunction indicator lamp.

DTC codes / Volkswagen codes / P1625

P1625 · VolkswagenCAN Bus Unplausible Message From Transmission Control

P1625 on Volkswagen vehicles means the engine control module (ECM) received a message from the transmission control module (TCM) over the CAN bus that it considers implausible or invalid. The ECM monitors the data stream for consistency and timing, and when a message fails its internal plausibility checks, it stores this code and may illuminate the malfunction indicator lamp.

SystemPowertrain

Code typeVolkswagen specific

SeverityMedium

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.