Question about Land Rover Defender

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1) I have bought a Land Rover Defender 2007 bulk head. On the ECU I have the following numbers under the top bar code the number is 7H12-12C520-BF and under the smaller bar code. S/N *YJRSVOANPWC8* Can these be used to trace the VIN numbers? 2) The engine and 6 speed gearbox comes out of another Defender 2.4 TDCi and the engine number is 080218011401244DT. As the ECU and Engine are from 2 different Land Rover Defenders. Will the ECU work for this engine? as I am building up my own Defender. Thanking you, Chris Maas.

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  • Land Rover Master
  • 918 Answers

Those numbers refer to that piece specifically.
The chassis serial is usually in a plate on the windshield.
Check the owner's manual for instructions on where to locate.
Some scanners to do fault diagnosis, has option of chassis serial information

Posted on May 23, 2017


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Posted on Jan 02, 2017

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hi there, needs to be the same number. computers need to match. tourque converters are different from 2.0/2.2 to the 2.5 engines. also shift points are different between models so needs to talk to the dash perfectly. hope this helps.

Posted on Sep 01, 2008

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SOURCE: help me with my land rover defender 90 engine

what do u need help on?

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SOURCE: Freelander chassis number

under the passenger side-frame rail near the front tire

Posted on Mar 16, 2010

  • 4803 Answers

SOURCE: Hi i recently had to replace

If the ECUs have different part numbers, they are NOT the same...The thing will most likely might hook up to your electrical connector and mount the same, but they are different computers for different vehicles that most likely are equipped with different features. i.e. different engines, different engine controls, different emissions controls, one may have cruise control and the other not or they may be for the same engine with a different transmission, etc..

I am curious however as to how this all came about. The ECU failed from attempting to start the new engine??? What was wrong with your engine that it needed to be replaced and how did the ECU manage to fail because of an engine replacement? Was the other engine running when it was determined that it needed replacing? ECUs don't fail very often...I'd like to know what the problem is.

Posted on Mar 03, 2011

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