Gearbox Controller ECU - Signal implausible
â–¶ How to fix
Check faults in gearbox controller ECU.
What you'll see
No driver-visible symptom recorded.
System reaction
Autorelease w/o autohold and backup autorelease functions are not available. Yellow warning lamp.
Diagnostic depth
Detection
Transmission Ready For Brake Release signal is in Ready longer than the defined timeout.
Possible cause
Malfunction in the gearbox controller ECU.