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DTC U0232: 00 Communication Error With BSM Control Module (LH): Notes

DTC U0232:00 DETECTION CONDITIONS AND POSSIBLE CAUSE

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