Code No.U1539 Security alarm siren LIN checksum <Vehicles with security alarm sensor>
JUDGMENT CRITERIA
PROBABLE CAUSES
- Faulty security alarm siren
DIAGNOSIS PROCEDURE
Check whether the diagnosis code is reset.
(1)Erase the diagnosis code. |
(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position. |
(3)Check if diagnosis code is set. |