FixVault

DTC U2030: Notes

DTC U2030 DETECTION CONDITION POSSIBLE CAUSE

DTC U2030 Rain sensor communication fault (If equipped, for Canada only.)
DETECTION CONDITION  Communication error to rain sensor
POSSIBLE CAUSE 
  • Open circuit in wiring harness between PJB terminal J-06 AD and rain sensor terminal C
  • Short to power supply in wiring harness between PJB terminal J-06 AD and rain sensor terminal C
  • Short to GND in wiring harness between PJB terminal J-06 AD and rain sensor terminal C
  • Rain sensor malfunction
  • PJB malfunction
G04956618Courtesy of MAZDA MOTORS CORP.