U0194 00
Read the instructions below then start the fault diagnostic procedure.
Symptom: Fault in the ignition switch logic of the radio. It has not been possible to contact SDAR or EHU. No satellite radio sound.
U0194 00 |
U0194 00: SDAR or EHU Missing on BUS
Fault symptoms
Fault in the ignition switch logic of the radio.It has not been possible to contact SDAR or EHU.
No satellite radio sound.
Type of diagnosis
Continuous.Enable criteria
Radio/CD switched on or ignition on.Fault criteria
No bus communication with SID.Diagnostic help
If there is a diagnostic trouble code stored and it has been read by the diagnostic tool then this indicates that there is an intermittent bus lead fault.If U0140 and U0194 are stored at the same time then this indicates that it is either the EHU bus lead or a short circuit on the bus that has been the problem. This applies to cars with SDAR.