PWT bus missing cable
â–¶ How to fix
Check the wiring and connectors on TMS (E5) and EMS (E44). Check that the configuration in TMS (E5) and EMS (E44) matches the hardware installation.
What you'll see
Timeout on safety bus.
System reaction
Yellow warning lamp
Diagnostic depth
Detection
ECU indicating that software is configured to use the safety bus but there is no cable connected.
Possible cause
Configuration not matching the hardware installation or open circuit on the safety bus.