DTC U3003-16; Blind Spot Monitoring (BSM) Control Module: Notes
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE
| Description |
Blind spot monitoring (BSM) control module low power supply voltage input (less than 7.321 V) |
| Detection condition |
- Blind spot monitoring (BSM) control module power supply voltage of less than 7.321 V is detected for 2 s or more.
|
| Fail-safe |
- Blind spot monitoring (BSM) system is stopped.
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| Possible cause |
- DTCs are stored in the PCM.
- Battery malfunction
- Generator malfunction
- Blind spot monitoring (BSM) control module (LH) connector or terminal malfunction
- Blind spot monitoring (BSM) control module (RH) connector or terminal malfunction
- Blind spot monitoring (BSM) control module power supply circuit malfunction
- Short to ground in wiring harness between C/U IG1 15 A fuse and blind spot monitoring (BSM) control module terminal I
- C/U IG1 15 A fuse malfunction
- Open circuit in wiring harness between IG1 relay terminal C and blind spot monitoring (BSM) control module terminal I
- Blind spot monitoring (BSM) control module malfunction
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