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U0156 on the 2026 Mazda CX-5

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name U0156
SA-015-26e2026-10-01. Service bulletin. 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 illuminated • The center display screen is blank • No data plan message • DTC U2701:89 • DTC U0156:00 • Center Display Home Screen Partial Boot Up • No Connected Vehicle One Time Passcode (OTP) • During a Bluetooth® phone call, tapping the navigation icon does not launch Google Maps • During an Apple CarPlay phone call, the Climate Control full􀀀screen menu cannot be accessed • While the Climate Control screen is displayed in full screen, tapping the Apple CarPlay icon does not launch Apple CarPlay
SA-015-26d2026-06-03. Service bulletin. 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 amber or red LED • Instrument Cluster Master Warning Light illuminated • The center display screen is blank • No data plan message • DTC U2701:89 • DTC U0156:00 • Center Display Home Screen Partial Boot Up • No Connected Vehicle One Time Passcode (OTP) • During a Bluetooth® phone call, tapping the navigation icon does not launch Google Maps • During an Apple CarPlay phone call, the Climate Control full􀀀screen menu cannot be accessed • While the Climate Control screen is displayed in full screen, tapping the Apple CarPlay icon does not launch Apple CarPlay

2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.