Welcome Guest! To enable all features please Login or Register.

Notification

Icon
Error

Options
View
Offline BEEMERS  
#1 Posted : 08 April 2017 12:37:36(UTC)
BEEMERS


Rank: Newbie

Reputation:

Groups: Registered
Joined: 07/03/2017(UTC)
Posts: 3
South Africa
Location: KLERKSDORP

Was thanked: 2 time(s) in 1 post(s)
I replaced msd 85 engine ecu on e70 5.0l x5 with boot mode. All good, start the car, test drive, fit all covers back. Ready for customer to take and when starting again it wanted to start but faild. stores code 2e77 igniton supply voltage. No spark, coils earth is ok voltage supply ok ecu does not puls coils. cheked ecu for soldering mistakes (none). No pinched wires. Annyone who can give good news.
Offline BMWZG  
#2 Posted : 08 April 2017 12:44:06(UTC)
BMWZG


Rank: Member

Reputation:

Groups: Registered
Joined: 15/09/2016(UTC)
Posts: 37
Poland
Location: ZG

Thanks: 60 times
Was thanked: 10 time(s) in 6 post(s)
Probably a damaged ( short) driver for some ignition coil.
Offline BEEMERS  
#3 Posted : 09 April 2017 12:36:16(UTC)
BEEMERS


Rank: Newbie

Reputation:

Groups: Registered
Joined: 07/03/2017(UTC)
Posts: 3
South Africa
Location: KLERKSDORP

Was thanked: 2 time(s) in 1 post(s)
Going to replace MSD85.1 ecu again, but can read old ecu . can I read/write isn without boot mode.
Offline Autohex_II_BMW  
#4 Posted : 11 April 2017 03:37:24(UTC)
Autohex_II_BMW


Rank: Advanced Member

Reputation:

Groups: Moderator
Joined: 22/08/2015(UTC)
Posts: 638
United Arab Emirates
Location: Dubai

Thanks: 336 times
Was thanked: 684 time(s) in 352 post(s)
You can read by obd
If writing is needed then you need boot mode
Offline BEEMERS  
#5 Posted : 13 January 2018 14:31:57(UTC)
BEEMERS


Rank: Newbie

Reputation:

Groups: Registered
Joined: 07/03/2017(UTC)
Posts: 3
South Africa
Location: KLERKSDORP

Was thanked: 2 time(s) in 1 post(s)
Please forgive me. I felt so ashamed 9 months ago about my msd85.1 no spark problem. I couldn't tell you. After fitting back the engine covers and harness, i accidentally fitted the coil plug connector on dme the wrong way around. It slides in deep enough to think it is in, but it doesn't clip. I probably plug and unplug that one 7 times and 3 months later only found my problem.
So match for being a bmw technician!
thanks 2 users thanked BEEMERS for this useful post.
Users browsing this topic