On a long journey, a red warning light suddenly came on and the text "Restricted performance" appeared. I stopped, restarted the engine and everything was fine. Later, the same thing happened, and the warning comes sooner, now after a couple of minutes. The car runs as it should, but the speed is limited to 140 km/h, 85 miles/h.

A Jaguar workshop read the fault codes, and these were:

ABS C1095, U2012

Climate control B1861, U1263

Instrument U1250, U1261, B1238

Engine P1796

The workshop said that it is a connector fault in the cable harness that gives all these fault codes. They are willing to take the car in and search but can of course not give a cost estimate. They charge £ 200 / hour. Unknown number of hours plus repair cost.........

The battery is changed to a new one and charging is ok.
Has anyone come across something similar and can suggest where to start looking?

 

Welcome to the forums Sören Hallberg,

I'll bet they would be very happy to spend your money like that.

Now you have the codes, finding the possible causes is not difficult. Do you want to troubleshoot this yourself?

Graham

 

I'm pushed for time this afternoon but here's the possible causes for most of your list:




P1796 is the reason the vehicle keeps going into "limp home" mode.

Graham

 

Info for you.