DTC P0B9A Chevrolet
Class 2 Data Link High or Low
Class 2 Data Link High or Low
Description
Key on or engine running; system voltage supplied to the module is in the normal operating voltage range, vehicle power mode requires serial data communication to occur, and the PCM did no detect any valid messages on the Class 2 circuit, or the voltage c
Cause and Solution
Class 2 serial data line has either a high or low voltage condition on the circuit, and the module cannot identify the faultOne or more modules on Class 2 line has an short to powerOne or more modules on the Class 2 line has a short to ground
Video Guide
Diagnostic Info
- DTC Code: P0B9A
- Brand: Chevrolet