General Information

Telematics Unit
B2800 MM CAN Bus Off Error - General Information

Component Location





General Description

The CAN Communication consists of a twisted pair of network wires. One CAN low line and one CAN high line. The CAN lines pass through the HeadUnit and AMP modules. This allows the TMU to communicate with each module. Through MM-CAN, TMU is communicating with Head Unit to make a display and sound in the vehicle.

DTC Description

The TMU sets B2800 when CAN line is in the below status.
- Short to Ground
- Short to Battery

DTC Detecting Condition





Diagnostic Circuit Diagram