DTC U2030 [Auto Light/Wiper Control Module]: Notes
DTC U2030 - DETECTION CONDITION POSSIBLE CAUSE CHART
| DTC U2030 |
Rain sensor communication fault |
| DETECTION CONDITION |
Communication error to rain sensor |
| POSSIBLE CAUSE |
- Open circuit in wiring harness between auto light/wiper control module terminal 2E and rain sensor terminal C
- Short to power supply in wiring harness between auto light/wiper control module terminal 2E and rain sensor terminal C
- Short to GND in wiring harness between auto light/wiper control module terminal 2E and rain sensor terminal C
- Rain sensor malfunction
- Auto light/wiper control module malfunction
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 Courtesy of MAZDA MOTORS CORP.
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