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Home >> Chevrolet >> 2013 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 154 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> DTC B370A: Rain Sensor >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2015 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify DTC U151A is not set.
    • If the DTC is not set 
  3. Place the S82 Windshield Wiper/Washer Switch in the intermittent delay setting and spray the outside of the windshield in the area of the B177 Rain/Ambient Light Sensor Module with a water bottle. It may be necessary to increase the sensitivity of the intermittent delay to achieve windshield wiper operation.
  4. Verify the windshield wipers operate at low speed.
    • If the wipers are not operating at low speed 

      Refer to Circuit/System Testing.

    • If the wipers are operating at low speed 
  5. All OK.
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