GNSS - No GNSS position data
â–¶ How to fix
* Check internal GNSS antenna in tachograph * Check for evidence of tampering
What you'll see
No driver-visible symptom recorded.
System reaction
* Event/Fault data 0x0D is stored in the tachograph. * Warning displayed in the tachograph display. * System event in TCO1 CAN message is set to active. * Tachograph warning displayed in the instrument cluster.
Diagnostic depth
Detection
No GNSS positions for 3h, during driving.
Possible cause
No GNSS positions for 3h, during driving.