EWR no communication
â–¶ How to fix
Check the fuse, cable harness and connectors and the faulty ECU.
What you'll see
The electrical WCR will not be able to be operated by the driver.
System reaction
Functionality of the electrical wheelchair ramp is missing or degraded. Error for the ramp will be shown in the ICL.
Diagnostic depth
Detection
The connection for fault indication from the control unit for the electrical wheelchair ramp to the body system has been not high for longer than 4 seconds when the ignition is switched on.
Possible cause
- No power supply to the electrical wheelchair ramp (fuse blown). - Open circuit due to damaged or broken cables - Problems with the control unit.