my parking brake light and cruise control not working.
What could be the reasons?
thank you in advance

 

What's the condition of your battery? Loads of posts about this issue

 

Check for any codes, although some may be generated by a weak battery (as above). Checking battery condition should be your first step to avoid chasing ghosts.


Cruise control may be a clock spring problem. Check your audio controls on the steering wheel. These too are part of the clock spring (which I just had replaced).

 

https://www.youtube.com/watch?v=Awb0...ature=youtu.be

 

I see that you put the car into Engineering Test Mode. So what did you learn? I see a couple of DTCs that I believe are displayed in hex format, so you'll have to convert them to OBDII mode in order to look them up on the chart and determine what they mean. I also see that your battery may be a bit low so as others have said, your battery may be your problem. How old is it?

 

I put a new battery but no change

 

My 2005 S-Type had an Electric Park Brake failure in April 2015. The problem turned out to be the EPB module. We tried a couple of used EPB modules but they did not fix it. A new EPB module finally fixed it....

Your problem could be the EPB fuses, the module, the motor/actuator, the wiring, or the cables. You're going to have to find an indie shop with the necessary diagnostic equipment. The trusted indie shop I go to has an AutoLogic diagnostics system. Thus far it has always correctly pinpointed the failed components on my particular car that I could not diagnose myself....

 

Ignore codes in ETM. I already said that in your other thread.

 

Can you post what codes the car has? Be sure and erase everything first. Then drive the car around some and read what codes you have.
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We hung it on 3 obd2 systems. but there was no error in the system

 

Same as your other thread:

How many of the about 20 modules did they read?

Did you CLEAR those codes you posted about in the dash (cluster)?