DTC U0232-00: Communication Error With Blind Spot Monitoring (BSM) Control Module (LH): Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Configuration cannot be implemented correctly if only the blind spot monitoring (BSM) control module (RH) is replaced. When replacing the blind spot monitoring (BSM) control module (RH), it is necessary to replace the blind spot monitoring (BSM) control module (LH) at the same time.

Description	Communication error with blind spot monitoring (BSM) control module (LH)
Detection condition	No communication between blind spot monitoring (BSM) control module (LH) and (RH) for 1 s or more.
Fail-safe	Blind spot monitoring (BSM) system is stopped.
Possible cause	Blind spot monitoring (BSM) control module (LH) connector or terminal malfunction Blind spot monitoring (BSM) control module (RH) connector or terminal malfunction Short to ground in wiring harness between the following terminals: Blind spot monitoring (BSM) control module (LH) terminal A-Blind spot monitoring (BSM) control module (RH) terminal A Blind spot monitoring (BSM) control module (LH) terminal B-Blind spot monitoring (BSM) control module (RH) terminal B Short to power supply in wiring harness between the following terminals: Blind spot monitoring (BSM) control module (LH) terminal A-Blind spot monitoring (BSM) control module (RH) terminal A Blind spot monitoring (BSM) control module (LH) terminal B-Blind spot monitoring (BSM) control module (RH) terminal B Open circuit in wiring harness between the following terminals: Blind spot monitoring (BSM) control module (LH) terminal A-Blind spot monitoring (BSM) control module (RH) terminal A Blind spot monitoring (BSM) control module (LH) terminal B-Blind spot monitoring (BSM) control module (RH) terminal B Blind spot monitoring (BSM) control module (LH) malfunction Blind spot monitoring (BSM) control module (RH) malfunction
Courtesy of MAZDA MOTORS CORP.