2001 Range Rover P38 ECU Repair
  1. Welcome to RangeRovers.net – General discussion forum for Range Rovers

    Welcome to RangeRovers.net - a website dedicated to all things Range Rovers.

    You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, Join RangeRovers.net today!
     
+ Reply to Thread
Results 1 to 10 of 10

Thread: 2001 Range Rover P38 ECU Repair

  1. #1
    FRESHMAN ROVER
    Join Date
    January 3rd, 2018
    Location
    San Francisco Bay Area
    Posts
    13

    2001 Range Rover P38 ECU Repair

    ECU needs attention. Can anyone recommend where to send the unit for repair? Currently located in northern California. Thank you.

  2. Remove Advertisements
    Range Rovers Forum
    Advertisements
     

  3. #2
    JUNIOR ROVER
    Join Date
    April 24th, 2006
    Location
    Northern California
    Posts
    860

    Re: 2001 Range Rover P38 ECU Repair

    Are you talking about the BECM or one of the individual ECU's?
    '99 Range Rover HSE
    '02 Audi S6

  4. #3
    SENIOR ROVER
    Join Date
    June 11th, 2016
    Location
    northern va 22003
    Posts
    1,412

    Re: 2001 Range Rover P38 ECU Repair

    ABS, BECM, Trans, Tcase, engine, EAS, which one?.
    2k p38 4.6
    95 lwb 4.6
    01 d2 4.0

  5. Remove Advertisements
    Range Rovers Forum
    Advertisements
     

  6. #4
    FRESHMAN ROVER
    Join Date
    September 10th, 2018
    Location
    Boston, MA USA
    Posts
    76

    Re: 2001 Range Rover P38 ECU Repair

    If you are talking about Engine Control Unit (ECU), the computer that controls engine, it can not be simply swapped. The BeCM (body computer that controls central lock, power windows and a bunch of other stuff) has to be programmed to send the correct "mobilization code" to the ECU. The programming can be easily done using Rover-specific tools. Swapping a used replacement unit won't work (truck won't start), unless the programming to pair ECU and BeCM is done.

    Swapping BeCM opens another can of worms, because BeCM is matched with the Remotes/Key Fobs. The easiest way is to swap a used ECU and have someone with rover-specific gear do the requisite programming. Otherwise you are swapping ECU, Instrument Cluster, BeCM and lock set. Which is not a lot of work, but will set you back something to the tune of $300. The problem with swapping the whole caboodle is that VIN programmed into the BeCM no longer matches the truck, which creates problem when ordering replacement key fobs.

  7. #5
    LEGACY VENDOR marty_nz's Avatar
    Join Date
    December 29th, 2005
    Location
    Swindon, Wiltshire, UK
    Posts
    4,126

    Re: 2001 Range Rover P38 ECU Repair

    Back everything (metaphorically) up a little bit first aswell....

    What's actually going on with the vehicle - what's working/not working etc, and how has it been diagnosed that the ECU needs repair (and which one as the others have mentioned).

    It *could* be that something external to the ECU is causing the problem and the ECU itself is actually fine - but we can't help diagnose it/confirm diagnosis if we have no information to go on!
    ------------------------------------------------
    '01 4.6 Vogue Black/Lightstone "Snog" -- Bought Jan 2012
    '99 4.6 HSE Cobar Blue/Lightstone -- Sold March 2009
    '95 4.6 HSE Epsom Green/Tan -- Traded June 2008
    http://p38webshop.co.uk

  8. #6
    FRESHMAN ROVER
    Join Date
    January 3rd, 2018
    Location
    San Francisco Bay Area
    Posts
    13

    Re: 2001 Range Rover P38 ECU Repair

    I apologize for delay in reply. Returned home after six months away; mice had moved into engine compartment, etc... Cleaned and replaced visibly damaged hoses, etc... Fuel pump went out; had replaced with OEM. Drove fine; days later she would turn over but any of the following shut engine down: use of wipers, turn signal, tap on break, etc... instrument cluster went out. Car is now paperweight at my house. British mechanic said ecu was bad and needed some attention to the tune of $600. Couldn't come up with contact in SoCal; couldn't find anyone else since mechanics here say they don't send ECU out. My mechanic later said not ECU at all but to check alternator and battery (?). Anyway, thank you for reading. Please let me know if further detail would be helpful. Regards,

  9. #7
    FORUM MODERATOR RRToadHall's Avatar
    Join Date
    April 12th, 2006
    Location
    Kloshe Lodge, Shelter Bay, Washington
    Posts
    27,613

    Re: 2001 Range Rover P38 ECU Repair

    your issues are not any ECU you need a new engine harness before you start replacing stuff
    When dealing with yourself, act with your brain
    When dealing others, act with your heart.

  10. #8
    FRESHMAN ROVER
    Join Date
    January 3rd, 2018
    Location
    San Francisco Bay Area
    Posts
    13

    Re: 2001 Range Rover P38 ECU Repair

    That is fabulous news. Thank you so very much.

  11. #9
    JUNIOR ROVER
    Join Date
    October 17th, 2017
    Location
    East England
    Posts
    875

    Re: 2001 Range Rover P38 ECU Repair

    Wipers, turn signal or brake pedal switch don't go anywhere near the engine harness. It sounds more like a bad earth connection (as Bolt has already suggested in your other thread) or a failing underbonnet fusebox.
    96 4.6HSE
    98 4.0 Police spec
    and a number of others I maintain for the owners.

  12. #10
    FRESHMAN ROVER
    Join Date
    January 3rd, 2018
    Location
    San Francisco Bay Area
    Posts
    13

    Re: 2001 Range Rover P38 ECU Repair

    I appreciate your knowledge, Richard. Thank you. Regards

    Quote Originally Posted by Richard_G View Post
    Wipers, turn signal or brake pedal switch don't go anywhere near the engine harness. It sounds more like a bad earth connection (as Bolt has already suggested in your other thread) or a failing underbonnet fusebox.

+ Reply to Thread

Quick Reply Quick Reply

Register Now

Similar Threads

  1. Retrofit pre-'99 cruise control ECU with '99+ ECU information.
    By Jeff Goldman in forum Range Rover Mark II / P38
    Replies: 9
    Last Post: April 14th, 2014, 05:24 PM
  2. Replies: 6
    Last Post: October 21st, 2013, 01:42 PM
  3. Transmission ECU and Kick Down - P38, 2001, 4.6, ZF4HP24
    By knottinbots in forum Range Rover Mark II / P38
    Replies: 13
    Last Post: May 24th, 2013, 02:54 PM
  4. New ECU? Used ECU?
    By gw2doc in forum Range Rover Mark II / P38
    Replies: 5
    Last Post: April 19th, 2009, 01:20 PM
  5. Dealer cant talk to ECU - Pre Production ECU??!
    By JonC in forum Range Rover Mark III / L322
    Replies: 3
    Last Post: August 19th, 2007, 02:15 AM

Tags for this Thread

Posting Permissions

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Powered by vBadvanced CMPS v4.3.0