DTC P20BD Chevrolet
Lost Communication With Lamp Status
Lost Communication With Lamp Status
Description
Key on for 800ms, and the DME detected that it has lost communication with the lamp status during its initial startup for 40ms (2 message cycles). The Engine Control Module (DME) communicates with all databus-capable control modules via a CAN databus. The
Cause and Solution
DME has failedTerminal resistance for CAN-bus are faultyCan data bus wires have short circuited to each other
Video Guide
Diagnostic Info
- DTC Code: P20BD
- Brand: Chevrolet