DTC U1882 GMC
Combined Rear Right Light 1-Circuit Current Below Threshold
Combined Rear Right Light 1-Circuit Current Below Threshold
Description
When the Stop Lamp Switch is activated, a hardwired brake signal is sent to the Body Control Module (BCM). When the BCM receives this brake signal, indicating the Brake Pedal is applied, the BCM sends a voltage output through the Stop Lamp Driver circuit and Brake Signal 2 circuit to the Left and Rear Tail Lamps and Center High Mounted Stop Lamp (CHMSL), which illuminates the Stop Lamps. A separate ground circuit for the Left and Rear Tail Lamps and CHMSL is provided through the wiring harness and is attached to the body sheet metal.
Cause and Solution
INCORRECT RIGHT STOP LAMP BULBBODY CONTROL MODULE (BCM)
Video Guide
Diagnostic Info
- DTC Code: U1882
- Brand: GMC