Pages

Thursday, 3 December 2015

Engine start-up failure in BMW models


Engine start-up failure in BMW models
Today we will describe a failure that affects the X6 35 xdrive aut. E71 (30 6D 5) model of the BMW brand, specifically a failure related to the engine.  

AFFECTED VEHICLE
BMW X6 35 xdrive aut. E71 (30 6D 5)

SYMPTOM
The engine does not start.

FAILURES REPORTED
Failures codes reported by the DDE engine control unit.

507D – Parking lock deactivated erroneously.
CF37 – CAS messages in the wrong K bus.

CAUSE

If the engine fails to start, due to a voltage drop caused by an excessive requirement when starting the engine, either because of a low battery or because of keeping the ignition switched on over an extended period of time, this may be due to a lack of communication between the CAS (Car Access System) unit and the DDE (Digital Diesel Electronics) engine control unit.

NOTE: It should be noted that in this model, in case of a real problem with the CAS (Car Access System), the starter motor is not launched.

 Engine start-up failure in BMW models
A2249 Unidad DDE

REMEDY

Pairing of the CAS and DDE units with an appropriate diagnostic tool.

7 comments:

  1. BMW is the most obvious extravagance brand in the United States and remains an image of status, achievement, and taste. Be that as it may, now and then, extravagance can be more reasonable. Here are three new BMW models that won't use up every last cent.

    ReplyDelete
  2. Some way or another, your motor just would not begin. You are baffled and you definitely would not realize what to do now. Indeed, there are two or three things that could be the cause why your motor would not begin when you attempt to turn it on.

    ReplyDelete
  3. The used car commercial center has been changed by Internet destinations like EBay, Autobytel and Cars. Nonetheless, purchasing utilized BMW Cars direct from buyers or outsider merchants might be a foolish choice when you could get an extra 50,000 mile guarantee at possibly no additional charge.Read more

    ReplyDelete
  4. Car tips and traps for when your auto engine won't wrench over. Expert auto specialist offers strategies learned and utilized over numerous years dealing with all makes and models.

    ReplyDelete
  5. Starting problems are basically found during winters, when our engine creates problems due to less efficiency and cold climate. Mostly in the morning time we are facing starting problems and especially with BMW models starting problem appears due to voltage problems and low battery. Regular maintenance and service, will definitely reduce these kinds of problems.
    BMW maintenance Monroe, NC

    ReplyDelete
  6. Every Brand is unique. BMW is one of the world's leading premium manufactures of automobiles. It anticipates customer needs and business challenges. It is always seeking the best overall solution for the customers. It is highly dynamic driving fascination. The brand's innovations and design creates enthusiasm,emotion and thrills. BMW connected drive provides services and apps controlled through the vehicles on-board computer. In winter season the car mostly have some problem in engine due to the voltage drop or low battery. I prefer to go to wilsonville for my car repair as it is the best BMW car repair center. car repair

    ReplyDelete

Related Posts Plugin for WordPress, Blogger...