Discovery 2 20-01 Pump Relay Open Circuit

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Jer05

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Location
Forest of Dean
I am in the process of solving 3 amigos and will be using all the useful tips from this great forum.

I have read the ECU and have:

20-01 Pump Relay Open Circuit 254 times
24-05 Front Right Hand Sensor Intermitent - 254 times

Q1) Since the two must be linked is the Pump Relay 20-01 the Shuttle Valve unit or is this pointing at the ABS pump relay itself being faulty - which I see is common?

Q2) Does anyone know where I can find a list of Disco 2 fault codes - are they on Rave?

Regards

Jer
 
Last edited:
The shuttle valve switches are just signallers of the state of the valves in the main block, and don't carry any current.

There is a shuttle valve switch repair kit available for about £36 + VAT.

The pump relay for the main motor is a heavy duty one, R10, fed by fusible link FL11, both in the engine compartment fusebox.

Don't assume that what you see in error codes is necessarily what is actually wrong on the car.

Peter
 
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