Rain/light sensor postion sensor fault

Hi its a 2013 vw golf 1.4 tsi ive deactivated stop start and that it. I have cleared the fault but it keeps coming back saying Rain/light recognition sensor
Incorrect installation location. I'm in uk.thanks

I had and continue to have a similar problem.

The rain/wiper sensor works fine, the auto lights come on and occasionally give the sensor message, but to come/leaving home fails to work.

Thread here;

obdeleven.proboards.com/thread/1103/fault-automatic-headlight-control?page=1&scrollTo=4144 

As a comparison for my UK GTi,

Trouble codes:
B136604 - Rain/light recognition sensor Faulty
Intermittent

Mikey: Thanks for posting up the scan report. The pertinent part of the code-string for the Central electric module that relates to the Rain Light sensor is Byte 6. Your code-string is 03040842C20102730F244080B10403281000000000000000000000000000, so the value of Byte 6 is hex02 which is correct.

Also, as you can see from your post, the actual Rain Light sensor is a "slave" module to the Central electric module (OBD11 calls this a Subsystem). It uses what VW calls "LIN" protocol (which is a single wire protocol - see the purple/white wire in the diagram below) to talk to the Central electrics module. In your scan report, the RLS has a code string value of hex00A8DD which is the correct factory setting.



So what this analysis suggests (I think)is that perhaps the Trouble code may not be code/adaptation channel related. The fact that the error message says that the fault is "intermittent" also supports this hypothesis (perhaps).

Given that the supply voltage to the RLS is "Terminal 30" - T30 (as per my picture), this module is energized even when the ignition is turned-off (albeit, I suspect that the module does "sleep" after a period of time when the ignition is turned-off). This means that the RLS is being monitored for circuit integrity 24/7 (I think). The other point worth considering is that the +12V supply to the RLS comes from fuse #8 on the "C" fuse box (the one in the glove box for our RHD vehicles). This is the same fuse that supplies the T30 pin on the rotary light switch - so you might want to "jiggle" this fuse to ensure that the connection is OK - don't pull the fuse because it also supplies the CAN Gateway module.

It's a very simple wiring arrangement - perhaps it might be prudent to check the connections/wires in my picture (I'm guessing)

Finally, your scan report says that the Trouble code was "intermittent" which means that whilst the error was detected in the past, it wasn't an active fault when the module was polled on  2017-06-11 @ 18:28hrs. Try clearing the error message and see if it reappears


Don

Just realized u told me what fuse to check . Can u tell me how to remove glove box. Thanks again

Thanks mate

Like this:

Don

Sorry to bump up old thread.

Is it necessary to put silicone gel after windscreen replaced?
The windscreen shop seems no put any after replaced my GTI MK7 front windscreen.
Apparently I also getting this error code : U10F500 before & after windscreen replaced.
Autowiper and autolight seems working fine through..

Sorry to make you confused,
The error code appeared before windshield replaced,
It appear after cleared, seems not possible to get rid of the error code, don't know why.

While condensation issue,
I'm living in hot climate country (Malaysia),
Guess it shouldn't happen..
Anyway I will get gel pads install,
Just wonder where to get one..
Hmmm..

My car is also reporting this at the moment.

I’m getting fault code B136676 in OBD11 and it says High Beam Assist is activated.

At the moment, that’s not even an option on my car - I’m wondering if I have mistakenly activated something as I’ve been looking through the long coding to familiarise myself with the options/interface. I have recently also activated some of the apps (fading interior lights, fogs when indicating/turning, throttle and engine responsiveness and I think that’s it…) which may be worth mentioning.

Does anyone know where the high beam assist option is so I can check it’s not on unintentionally?