LongitudinalControl timeout
â–¶ How to fix
Check the wiring and connectors on TMS (E5) and cruise control manager.
What you'll see
No driver-visible symptom recorded.
System reaction
Adaptive Cruise Control (AiCC) not possible. External speed control interface not possible. Yellow warning lamp.
Diagnostic depth
Detection
ECU indicating timeout on message Longitudinal Control 1, Longitudinal Control 2 or Longitudinal Control Target.
Possible cause
The harness or connectors has open circuit or the message has not been transmitted by cruise control manager.