Code U0532 indicates that a control module has received data from the rain sensing module that is illogical or outside of the expected operating range. This typically results in the failure of the automatic windshield wiper system.
Internal electronic failure of the rain sensing module preventing it from sending accurate data.
Debris, heavy filming, or cracks in the glass directly in front of the sensor interfering with its optical readings.
The sensor is not properly bonded to the glass, often occurring after a windshield replacement.
Corroded, frayed, or broken wires in the communication circuit between the sensor and the control module.
The body control module (BCM) or receiving computer is unable to process the incoming signal correctly.
No; it is very rare for the control module to be the cause. The issue is almost always the sensor, the glass interface, or the wiring.
Yes, if the sensor was not properly transferred or if the new glass is not perfectly seated against the sensor, the module may receive invalid data.
Yes, manual wiper controls typically operate on a separate circuit and will continue to function even if the automatic rain-sensing feature is disabled.