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Power Steering Fault light On

Discuss problems you have had or are having with your Z4
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portculisz4
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Power Steering Fault light On

Post by portculisz4 » Wed May 25, 2022 3:16 pm

Hi, I have a 2004 E85 2.5 which I purchased last year and have just done around 1200 miles since the purchase date, the car has had no problems during this time and even the notorious power steering has been smooth and faultless. However, the steering fault light has suddenly come on without warning and the power steering is not longer working. I have the Creators C310+ diagnostic unit but it cannot communicate with the Steering ECU unit although it communicates with all the other ECU units in the car. I know the steering ECU has a failure record but before I strip the unit out for check up and servicing, are there onboard things I can check to possibly eliminate the steering ECU. I wondered whether there is a separate fuse for steering ECU and this could have failed.

SonnyA85
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Power Steering Fault light On

Post by SonnyA85 » Wed May 25, 2022 5:31 pm

Power steering needs re-built it's a common fault. I'd say it's happened on majority of 03-05 zeds if not all of them

firebobby
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Power Steering Fault light On

Post by firebobby » Wed May 25, 2022 5:43 pm

When my steering failed, l lost P steering, no sports button and the dreaded light came on.
Plenty of threads on here about it, and once removed, send it off to ECU testing :thumbsup:
BMW Z4 30i 2003 auto 107's Whippy Toledo Blue
Beige M sport seats, wood dash
Toyota MR2 NA 1995
Triumph GT6 1972 (project)
Land Rover Discovery 1994 TDI (Tow car)
Mini 1000 1981

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