2000 S-type 4.0 v8 rear control module

[Gaz1965]

The car won't start after standing for 3 years. Replaced fuel pump now thinking it may be rear electronic  module. The part number of my module is XW4T-13B524-BC however can't find any with exact part number I can find modules

YW4T-13B524-BA

YW4T-13B524-BB

Does anyone know if these parts will be compatible as they both state that they are from an  s-type. 

I would appreciate any help on this. 

Thanks. Gaz. 

 

 

[LairdScooby]

What diagnostics have you done?

[Gaz1965]

9 hours ago, LairdScooby said:

What diagnostics have you done?

I have no diagnostic tools as such. I have replaced fuel and fuel pump checked fuses, relay and diode. The pump doesn't kick in when I turn the ignition on so suspect the rem. This is my last hope before calling in the experts. 

[Jimbov8]

1 hour ago, Gaz1965 said:

I have no diagnostic tools as such. I have replaced fuel and fuel pump checked fuses, relay and diode. The pump doesn't kick in when I turn the ignition on so suspect the rem. This is my last hope before calling in the experts. 

If the pump does not run then first check the inertia switch hasn’t tripped inadvertently before you go further.

[LairdScooby]

The fuel pump isn't always noticeable when you switch the ignition on so i'd suggest you get someone who has the necessary diagnostic equipment to troubleshoot. You could spend a lot of time (and money!) firing the parts cannon at it without getting any results.

It may be something much more simple like the CPS (crankshaft position sensor) causing your non-start.

[Gaz1965]

1 hour ago, LairdScooby said:

The fuel pump isn't always noticeable when you switch the ignition on so i'd suggest you get someone who has the necessary diagnostic equipment to troubleshoot. You could spend a lot of time (and money!) firing the parts cannon at it without getting any results.

It may be something much more simple like the CPS (crankshaft position sensor) causing your non-start.

I've checked the inertia and it hadn't tripped. So you are correct it's time to get the experts in. I was just going to try a second hand recm as it's an easy swap however can't find an exact part number match. 

[LairdScooby]

Little tip with the inertia switch - tap the body of it with the handle of a screwdriver until you hear it deploy with a definite "bah-doy-nnng" then reset it. They have a habit of furring the contacts, especially if sat for a while and this can often cause the fuel pump to not run.

Also try the spare key in case the transponder in your main key has died.

[Gaz1965]

OK thanks I'll give those a try and let you know.