BMW X6 utility car keyless entry functionality failure

A mileage of about 50,000 km, geared up with N55 engine designs E71, 2011 BMW X6 sport utility auto. The person demonstrates: vehicle keyless entry perform failure.

Check: exam servicing personnel. First of all auto scan tool for iphone doors locked along with the distant handle, and then pull the door manage, the doorway isn't open; unlock while using the remote command, after which hand the contact door handles delicate place, the doorway will not be locked. But keyless start out ordinary instrument and motor vehicle details screen no abnormalities. This reveals the standard work on the anti-theft handle unit.

Detection the burglar management OBD2 WIFI scanner unit and located fault code A103 ---- CAS EWS bus fault. The doorknob manage unit in the EWS bus along with the immobilizer regulate unit joined, in case the bus fails, the purpose with the doorway manage will the natural way be impacted.

First get rid of the driver's side door outside handle, manage and disconnect Locksmith tool the connector on the handle unit. According on the circuit, connector one foot bus signal line, this line is measured voltage to 0.two V. Below standard disorders, the place the voltage need to be near to the battery voltage, so it should be a difficulty with this particular line.

Next, measure the bus grounding resistance, the resistance of 60 obd2 code scannernormal. Measurement with the conclude of your foot to your anti-theft control unit corresponding side of your foot resistance, resistance of 0.8, the normal line conduction. Classifying this place, may be made, there exists a trouble that ought to certainly be a the doorknob control device bus driver.

Remove each individual of your other door tackle, and also the manage unit BMW diagnostic toolconnector are disconnected. Off towards the entrance passenger facet door, the bus signal voltage returns to normal, indicating a fault here.

Troubleshooting: Replacing the front passenger aspect door handle assembly, exam to check the Troubleshooting.

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