U0156

PCM, CAN communication system, Communication error with CMU (Connectivity Master Unit)

NHTSA 10243555 ↗ NHTSA 11008420 ↗ NHTSA 11009645 ↗

MAZDA

This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-015/26 05/27/26, 04/20/26, 04/09/26, 03/25/26 and 03/13/26 DESCRIPTION Index Intermittent Globe with a slash icon • Beep sound near the SOS button and SOS button amber or red LED • Instrument Cluster Master Warning Light illu…

MAZDA

Infotaintment center display and connected vehicle improper operation. This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-015/26 04/20/26, 04/09/26, 03/25/26 and 03/13/26 DESCRIPTION Index Intermittent Globe with a slash icon • Beep sound near the SOS button and SOS button am…

MAZDA

Some customer may experience any of the following: Multiple Warning Lights On • Infotainment center display blank • Engine no start unless the key transmitter is placed near the start button • Interior lights do not illuminate • DTC P2507:00 - PCM, PCM POWER SYSTEM: (LOW INPUT) stored. • DTC U0156:00 - PCM, CAN communication sys…

MAZDA

Some customer may experience any of the following: Multiple Warning Lights On • Infotainment center display blank • Engine no start unless the key transmitter is placed near the start button • Interior lights do not illuminate • DTC P2507:00 - PCM, PCM POWER SYSTEM: (LOW INPUT) stored. • DTC U0156:00 - PCM, CAN communication sys…