CAN timeout of ROH_A(MBA)
â–¶ How to fix
Check the fuses, connectors, powersupply and cable harness
What you'll see
Driver will not be able to operate the roof hatch.
System reaction
Functions dependent on information from ROH_A might be degraded
Diagnostic depth
Detection
Communication with the Roof Hatches System (ROH_A) has timed out (communication interrupted).
Possible cause
• Faulty ROH_A unit • Faulty grey CAN bus • ROH_A unit disconnected from the grey CAN bus • Power supply failure