Nissan Qashqai - System Fault

[Scarletpimpofnel]

Nissan Qashqai petrol 1.3 2018 suddenly developed a system fault yesterday. No OBD II error codes. Thought it might be the battery as only 11.75Volts at rest (replaced with official stop/start battery for the car). But fault remains.

Fault pages are as below. Note also TMPS seems to be only measuring on one side. Haven't driven the car since changing the battery but starts and faults still there.

Stop/start seems disabled (both before and after battery change).

Any ideas on root cause? Many thanks.

[Belle427]

Reset the tpms system and take it for a drive as it wont display the pressures until its been driven for a while.

[Dynion Araf Uchaf]

For some reason I want to say that the error looks to be something to do with the radar for proximity, lane keep assist , reversing camera. But that might be because you are cycling through those options.

[Scarletpimpofnel]

Belle427 said:

Reset the tpms system and take it for a drive as it wont display the pressures until its been driven for a while.

Just did 20 mile drive. Tpms measures ok once moving.

[Scarletpimpofnel]

Dynion Araf Uchaf said:

For some reason I want to say that the error looks to be something to do with the radar for proximity, lane keep assist , reversing camera. But that might be because you are cycling through those options.

Good call. Could it be possible a radar sensor or fuse has blown and that’s causing all the issues?

[Dynion Araf Uchaf]

First thing I’d do is clean the camera and sensor in the badge at the front of the car.

[Scarletpimpofnel]

Dynion Araf Uchaf said:

First thing I’d do is clean the camera and sensor in the badge at the front of the car.

Ok thanks will try that.

[Scarletpimpofnel]

Dynion Araf Uchaf said:

First thing I’d do is clean the camera and sensor in the badge at the front of the car.

I cleaned the badge (no change). I can see a cable goes to the badge from behind but the badge itself doesn't seem to dismantle to give access to any camera or sensor.

[Dynion Araf Uchaf]

I used to work for Nissan. I think it might be the rear proximity sensor. It is a known fault but I don’t think you can fix it without replacing it.

[Scarletpimpofnel]

Dynion Araf Uchaf said:

I used to work for Nissan. I think it might be the rear proximity sensor. It is a known fault but I don’t think you can fix it without replacing it.

Is that one of the 4 sensors in the bumper?

[Dynion Araf Uchaf]

Scarletpimpofnel said:

Is that one of the 4 sensors in the bumper?

at this point i'd say your best bet is to take it to a Nissan dealer and ask them to investigate. They can either fix it for you, or they can tell you which sensor it is and you can have a go yourself. Anything else and you'd be guessing, you might get lucky, but the chances are you'll spend more money throwing parts at it until you fix it.

[Scarletpimpofnel]

Yep I thought it was the battery (was readin 11.7V at rest) so replaced that but nothing else I can do has worked. No OBDII codes. So it'll have to go to a dealer.

Thanks all for your suggestions.

[danny2324]

Hi, did you manage to sort this issue and if so what was it please? It has just appeared on my car and I am taking the kids on holiday in it tomorrow (hopefully)

[Scarletpimpofnel]

danny2324 said:

Hi, did you manage to sort this issue and if so what was it please? It has just appeared on my car and I am taking the kids on holiday in it tomorrow (hopefully)

From memory the abs has a tiny wire that hangs down near each hub. Visible if you look under the rear of the car. One wire had got snapped (maybe snagged in something passing under the car). It was a quick fix to reconnect the wire.

[danny2324]

Thanks for the reply, I managed to get my car into a garage but they are saying nothing is showing up as an error but while on the ramp they have noticed someone has gone up the back of the rear bumper and snipped the wire connecting all the parking sensors, parts can only come from Renault, take 3-5 days to arrive and be £300 to fix. Its been snipped so close to the sensors that they cant even put a temporary fix in as no wire to connect to. I will have to go away in the car without ABS working.

[paul_c123]

Never heard of faulty parking sensors knocking out the ABS. Active cruise control, maybe, if the radar isn't working (ie it won't just do "normal" cruise control), but ABS?

[danny2324]

Apparently its a J11 Qashqai and all these systems are interconnected with a can bus system, so this wiring for the sensors which has been chopped out (god knows why as its worthless) can cause other systems to malfunction as it communicates with them. So I have no ABS, no automatic handbrake, no start/stop, no reverse camera, no parking sensors (obviously), no indicators on the mirror to say a car is in the blind spot, plus other things Ive not noticed yet

[Scarletpimpofnel]

danny2324 said:

Apparently its a J11 Qashqai and all these systems are interconnected with a can bus system, so this wiring for the sensors which has been chopped out (god knows why as its worthless) can cause other systems to malfunction as it communicates with them. So I have no ABS, no automatic handbrake, no start/stop, no reverse camera, no parking sensors (obviously), no indicators on the mirror to say a car is in the blind spot, plus other things Ive not noticed yet

Quite. For a single abs wire broken on my qashqai virtually every system reported as faulty as can be seen in first pic. Tried literally dozens of checks before finding actual root cause. The fault codes you’d think could be more specific like “no abs off side rear” instead of all lights lighting up.

[E-bmw]

Scarletpimpofnel said:

For a single abs wire broken on my qashqai virtually every system reported as faulty as can be seen in first pic. Tried literally dozens of checks before finding actual root cause. The fault codes you d think could be more specific like no abs off side rear instead of all lights lighting up.

But from what has been said to date in this post, that isn't actually true is it?

You have your reversing sensor wiring cut.

This will give all of your 3 "system faults", as in blind spot, crash detection, (I assume) and side approach, as these all use your parking sensors.


You have an ABS/TPMS/TC issue.

These too are all also normally related to each other.


So, you actually have 2 issues with separate symptoms that are both fully explainable, unless I have missed something.

[Scarletpimpofnel]

No. I’m the op and my issue was and wire. Subsequent poster had reversing sensor wire break.