DTC U1899 Cadillac
CAN Signal. Faulty Function
CAN Signal. Faulty Function
Description
The supplemental restraint system module (SRS) checks the signal from the upper electronic module (UEM) on the CAN network. The diagnostic trouble code is stored if the control module detects: Malfunction message regarding PAD-light. The diagnostic trouble code (DTC) can be diagnosed in ignition positions I, II or III. The SRS indicator lamp is lit.
Cause and Solution
Damaged LED in the rear view mirror.Open-circuit in the power supply.Damaged supplemental restraint system module (SRS).
Video Guide
Diagnostic Info
- DTC Code: U1899
- Brand: Cadillac