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The fun continues... High Speed CAN communication bus DTC
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=85818		 Page 1 of 1
Author:  AndrewCRD [ Tue Dec 20, 2016 12:00 pm ]
Post subject:  The fun continues... High Speed CAN communication bus DTC
Yes ... so after installing the belt i pulled the viscous relay from the box. Not long after that (about 3km) the ETC lamp came up. I pulled over turned the key off and then back on and it went away. I then plugged in my DTC reader and only thing it found was thermostat temp too low ... i guess that kindof makes sense now that i disabled the viscous heater(thinking it might of not been a good idea without removing the fan as well). Odd thing is after about a 20 minute ride the check engine light was on and i hooked up the code reader again and its giving me this High speed CAN comunication bus performance code.

Any ideas ?
Author:  flash7210 [ Tue Dec 20, 2016 1:04 pm ]
Post subject:  Re: The fun continues... High Speed CAN communication bus DT
Do these codes have numbers that we can lookup and verify?

Reason is, Im not aware of any thermostat temp code. And if there was, it would be a very common code for every CRD owner.
So I suspect your code scanner is mis-interpreting these codes.
Author:  WWDiesel [ Tue Dec 20, 2016 1:29 pm ]
Post subject:  Re: The fun continues... High Speed CAN communication bus DT
AndrewCRD wrote:
Yes ... so after installing the belt i pulled the viscous relay from the box. Not long after that (about 3km) the ETC lamp came up. I pulled over turned the key off and then back on and it went away. I then plugged in my DTC reader and only thing it found was thermostat temp too low ... i guess that kindof makes sense now that i disabled the viscous heater(thinking it might of not been a good idea without removing the fan as well). Odd thing is after about a 20 minute ride the check engine light was on and i hooked up the code reader again and its giving me this High speed CAN comunication bus performance code.

Any ideas ?

Read this article at OBD-codes.com, it gives a fairly good synopsis of the issue:> https://www.obd-codes.com/u0001
Author:  mass-hole [ Tue Dec 20, 2016 4:52 pm ]
Post subject:  Re: The fun continues... High Speed CAN communication bus DT
The readers often don't tell you the correct code information. As stated above, it's best to take the code number and go look it up in the P-code thread in the CRD tech section

I know I had a bad glow plug a few months back and torque pro was telling me it was something totally different
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