XK8 / XKR ( X100 ) 1996 - 2006

XK-8 Failsafe engine mode

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Old Jun 5, 2010 | 01:37 AM
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Default XK-8 Failsafe engine mode

Help!! When i turn on the cruise control swith, as i am driving, then i push the set button, the Failsafe Engine mode turns on. One guy said to replace an electronic box near the break pedal. I replaced it but no luck. So my cruise control doesnot work.. any Ideas???

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Old Jun 5, 2010 | 07:24 AM
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You should check the brake switch. Is that what you replaced?
 
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Old Jun 5, 2010 | 08:34 AM
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Yes, the brake switch was replaced.

Tony
 
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Old Jun 5, 2010 | 02:48 PM
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Can you pull the OBD codes and post them?
 
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Old Jun 5, 2010 | 03:18 PM
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When I turn the car off it resets itself, so I Have to re engaged the cruise control to get the error message. I have a pending code of P1111. The last 6 digits of my VIN is 027727.
 
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Old Jun 13, 2010 | 07:48 PM
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Well I took it into the shop. The problem was a Clogged vacuum hose. Fixed - Cruise control working beautifully.
 
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Old Jun 13, 2010 | 08:09 PM
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Good to know but do you know what hose was clogged?
 
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Old Jun 13, 2010 | 11:35 PM
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It was a bad vacuum hose under right front inner fender liner for cruise control vacuum tank.
 
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