What does code P1627 mean?

Q: What does code P1627 mean?

Powertrain Control Module ECM TCS Line Communication Error. P1627 on Mazda vehicles indicates that the powertrain control module (PCM) has detected a communication error on the controller area network (CAN) link that connects it to the traction control system (TCS) module. The PCM expects regular status messages from the TCS and sets this code when those messages are missing, corrupted, or delayed beyond a calibrated timeout.

DTC codes / Mazda codes / P1627

P1627 · MazdaPowertrain Control Module ECM TCS Line Communication Error

P1627 on Mazda vehicles indicates that the powertrain control module (PCM) has detected a communication error on the controller area network (CAN) link that connects it to the traction control system (TCS) module. The PCM expects regular status messages from the TCS and sets this code when those messages are missing, corrupted, or delayed beyond a calibrated timeout.

SystemPowertrain

Code typeMazda specific

SeverityMedium

Fix difficultyProfessional

AreaComputer and output circuits

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