Hill start assist fault - Citroen DS4 Forums
 
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post #1 of 8 (permalink) Old 25th January 2020, 10:32 Thread Starter
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Hill start assist fault

I have a 12 plate 1.6 diesel ds4 and the last week driving to work every the car out of know where it flashes up on the dashboard hill start assist fault go straight to the garage and get it repaired. Then the ABS light comes on with the service light. I then park up at work and the electric park brake will not come on after the engine is turned off. So it requires restarting the engine then operating the park brake switch to get to reset. Not sure where to start with trying to find the fault can anyone help thanks Stephen
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post #2 of 8 (permalink) Old 25th January 2020, 12:22
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Read the fault codes?

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post #3 of 8 (permalink) Old 27th January 2020, 17:56 Thread Starter
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Thanks for the tip. but I plugged in a code reader and the car does not have any error codes on it even though the car is showing the ESP and Service light
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post #4 of 8 (permalink) Old 28th January 2020, 09:51 Thread Starter
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I am now beginning to think that it’s the one of the ABS sensor on the rear axle but I’m not sure how to test it to find out which one need replacing
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post #5 of 8 (permalink) Old 28th January 2020, 12:02
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You may need a differnt code reader. Many generic ones only do engine code, and needs to be a more specialised one for different modules

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post #6 of 8 (permalink) Old 29th January 2020, 19:30 Thread Starter
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I got my car to the garage today. They have printed out all the error code off and then cleared them all then said to come back when the error message reappear. I then asked if it could be the rear pad wear and he inspected them a they are on the limit. So I will be replacing them this weekend and topping up the bake fluid. I’m hoping that is whet the issue is. I will also inspect the abs sensor and wiring. Thanks again for the comments.
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post #7 of 8 (permalink) Old 30th January 2020, 12:33 Thread Starter
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If I change the rear brake pads would I then need to adjust the Electric park brake using a diagnostic kit ?
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post #8 of 8 (permalink) Old 31st January 2020, 09:27
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I didn't, old ones out, new discs and pads, no issue.


From the handbrake point of view, it should be acting the same regardless of the pads, the thickness is taken up mechanically..

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