Car wont start but if I unplug ESP module it does

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Don22

New Member
Joined
Jun 19, 2022
Messages
26
Location
Croydon
Car
S211 2004
As title, sometimes get ABS and ESP errors and you go to start car and nothing. Unplug the ESP module and it fires immediately on the key and runs but obviously with ESP and ABS errors as the module is not connected.
I swapped out the ESP module with another but its still the same and it does not attempt to start.

I have a friend with a good Snap on Scanner tool but may take a while for him to find the time to drop by.
Any ideas I could try in the meantime?
 
Does the ESP module have anything todo with the gearbox park signal?

Doesn't even crank with the ESP module in?
 
Does the ESP module have anything todo with the gearbox park signal?

Doesn't even crank with the ESP module in?



Not sure if it has anything to do with Gearbox Park signal.
Yes, when the ESP module is plugged in it will not crank or start, when its unplugged it will.
Seem to have tried everything. Have unplugged all the connectors, inspected wires for breaks, checked contacts for corrosion, cleaned contacts.... still the same.:confused:
 
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