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DTC U2030 [Auto Light/Wiper Control Module]: Notes

DESCRIPTION Rain sensor/auto light sensor communication fault
DETECTION CONDITION  Communication error to rain sensor/auto light sensor
POSSIBLE CAUSE 
  • Connector or terminal malfunction
  • Short to ground in wiring harness between auto light/wiper control module terminal 2E and rain sensor/auto light sensor terminal C
  • Short to power supply in wiring harness between auto light/wiper control module terminal 2E and rain sensor/auto light sensor terminal C
  • Open circuit in wiring harness between auto light/wiper control module terminal 2E and rain sensor/auto light sensor terminal C
  • Rain sensor/auto light sensor malfunction
  • Auto light/wiper control module malfunction
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