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  1. Is this an ECU/ECM Issue? 2001 4.6SE P38 75K/miles

    Range Rover Mark II / P38
    Hello there. Rover sat for months at a time over the past two years. Of course, rodents made themselves quite comfortable.Recently replaced fuel pump (used OEM). After traveling fine, days later engine cut when 1. turn signal was on 2. driver's door opened 3. depressing brake 4. turning...
  2. Is this an ECU/ECM Issue? 2001 4.6SE P38 75K/miles

    Range Rover Mark II / P38
    Hello there. Rover sat for months at a time over the past two years. Of course, rodents made themselves quite comfortable. Recently replaced fuel pump (used OEM). After traveling fine, days later engine cut when 1. turn signal was on 2. driver's door opened 3. depressing brake 4. turning...
  3. Help, no start and lost comms with ECM

    Range Rover Mark III / L322
    Hello everyone, good afternoon, before I get into details about the issue I am facing, let me tell you that I just changed from japanese vehicle to UK vehicle, and the vehicle I decide to change was my wife´s vehicle (go figure now the pressure I am in) the vehicle is a Range Rover L322 HSE...
  4. ECM question?

    Range Rover Mark III / L322
    Greetings, First off I want to say this site is awesome! A shout out to RRphil and Dave the Tech from NOVA, you're the man and I hope you reply to this post. I have a 2006 RR full size 4.2 SC and it cranks but won't start. The fuel pump does not come on when I turn the key to start. I...
  5. Replacing the ECU ECM on a 2008

    Range Rover Sport / L320
    All, i have a 2008 that had water damage in the passenger area and I am told my ECU/ECM has failed. I can get another one from different sources but I need to know exactly what needs to be done to the replacement in order for the mileage to agree with the 55,xxx on the cluster (which is...
  6. Help....Need a BECM that works

    Range Rover Mark II / P38
    So evidently my BECM needs to be replaced. Car won't start and issue led back to BECM (or ECM?). Mechanic has tried 6 used units and each one is not fixing the problem (ignition is locked out...won't start). Apparently, if a used unit is not disconnected properly, it may prevent the car from...
  7. No power to engine ECM after BECM from Scotty

    Range Rover Mark II / P38
    Just as the title says...got a replacement becm from Scotty. Plugged in, everything works, however the engine ecm isn't powered (according to rsw solutions EAS unlock). Does it simply need to be plugged into testbook for calibration? Can I do this with RSW solutions software? I tried and it...
  8. Fuel Pump Relay Ground from ecm Question

    Range Rover Mark II / P38
    I Recently bought a 2000 P38 4.0 and a 99 I found some creative wiring on the 2000 and the 99 did not start. There was a wire hooked to the negative of the battery and jammed into the ground side of relay 12 Fuel Pump Relay I pulled it out and as expected the truck wouldn't run unless i hooked...
  9. Need to install ecm / found donor for my 04 L322

    Range Rover Mark III / L322
    What parts to I need to complete the swap? so they will all be compatible? I assume the ECM, BECM, Speedometer cluster. Is there anything else? Will I need the TCM steering angle sensor or any other parts from the donor?.
  10. Bosch ECM part numbers

    Range Rover Mark II / P38
    I'm looking to delete the Secondary Air Injection on my motor and would like to purchase a Bosch ECM without SAI programmed into it. Does anyone know the part number I should be searching for or how I can work it out for myself? Please not the following before posting: 1. I have Nanocom...
  11. No communication from EAS ecm

    Range Rover Mark II / P38
    Started my conversion back to EAS a couple months ago and got stalled a couple weeks later. Everything was bought new (bags, sensors, valve body re-done and new lines installed) Bought the software and after all the parts were installed we held our breath, hooked up the software and did a...
  12. Torque Converter ECM and Slip Mode

    Range Rover Mark III / L322
    Hello All, I have done a lot of research and read all of the posts on suspect torque converter problems. I have been thinking about this a lot and I thought it would be a good idea to get some feedback from this community. I realize many of you have had problems with fluctuating RPM’s at certain...
  13. ecm catch 22

    Range Rover Mark II / P38
    Broken Pin on my 2000 Bosch ECM (main relay output ... switch to ground) and so now by Rover won't start. I bought another ECM from a 2001 Rover with the hopes that it could just plug and play but no such luck. Catch 22 is because I am not able to communicate with the ECM trough the OBD with...
  14. ecm

    Range Rover Mark III / L322
    coming back from cumbria today engine management light came on but no faults..any ideas please
  15. Where is the engine ecm located 2001 rr 4.6

    Range Rover Mark II / P38
    guessing lower right kick panel if so are there more than one ecu in that location:?:
  16. ECM update for my06 rrs sc

    Range Rover Sport / L320
    So the CEL came on last week and was showing p1070 from the IDtool I got from costco..Took the car in to get it checked out since the truck will be needing a smog check for the upcoming registration.. My mechanic checked it out & said that it looks like it would just be needing the update from...
  17. Issues with unplugging GEMS ECM?

    Range Rover Mark II / P38
    Hi all, I need to disconnect one of the ECM multiplugs to do some wiring tests. I don't have anyway of resetting the security system, so I would just like to know if I'm likely to upset the becm or ecm by disconnecting any of the ecm plugs -is it better to disconnect the battery or not? Thanks...
  18. Testing pins on GEMS engine ecm

    Range Rover Mark II / P38
    Hello all I want to test my 02 sensors with a digital multi-meter but the pins that are shown in the workshop manual (C507) seem to be wrong. The wires are not in the correct places = pin 8 is empty. Pins 34 and 36 seem to be ok. I also want to know so if I visit an auto electrician for an...
  19. Dealer says I need new Immobilizer ecm

    Range Rover Mark III / L322
    ok so my question is if my ecm can be rebuilt or can i get a used one? they told me a used one cant be reprogrammed. please help i already invested 3000$ in diagnostics
  20. P38 Electrical Gremlin

    Range Rover Mark II / P38
    Help with electrical. My 02 P38 (Bosch 4.6 w/ 95,000 mi) has been in storage for the last 1-1/2 and the battery is dead. Prior to storage, the fuel pump quit. I didn't have any error messages at that time. Because of work, I didn’t have time to do the troubleshooting then, so decided to wait...
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