C1025 - Mercedes-Benz Forum
 
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#1 (permalink) Old 10-18-2008, 12:59 AM
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C1025

Anyone have had this code?

C1025 CAN Communication BAS communication with ESP control unit faulty

CAN - Communication

- Complete CAM communication
- The traction control unit
- CAN - Signal : Breaklight switch
- CAN - Signal - Wheel RPM

I have changed the breaklight switch 3 mounths back, what is the next in line?

I also get the P1236, guess this is the clutch on the supercharger (dont I dont use but have installed)

1999 230 SLK
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#2 (permalink) Old 10-19-2008, 01:09 PM
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No one? The code is away not but still, if it comes back again

1999 230 SLK
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#3 (permalink) Old 10-19-2008, 07:39 PM
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Sorry. I've never had that problem before. Have you asked the mercedes service department?

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#4 (permalink) Old 10-20-2008, 04:09 AM
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I've got a CAN problem before. It's related to the ECU though and needed dealer to fix. Totalled the car before I get to it

DW
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#5 (permalink) Old 10-21-2008, 09:23 PM
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I had it on mine when the battery was bad. (< 11.5 volt I think.). But then I had a whole lot a funny errors reported with the bad battery.



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#6 (permalink) Old 08-04-2009, 09:38 AM
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HI Mate,

I've got the same code c1025, please be so kind t advise what was the final verdict on this problem.

Kind regards

Willem
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#7 (permalink) Old 08-15-2009, 01:19 AM
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I also got C1025.

I have trouble with ESP not kickin in sometime.

Did you solve your C1025 issue?
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#8 (permalink) Old 08-15-2009, 01:59 AM
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code C1025 is defined as " CAN Communication BAS communication with ESP control unit faulty." This basically means that the BAS module is not networking correctly with the ESP module, commonly this is usually a glitch code, unless it returns more than once. I would have the system reset and see if the code returns immedialty, of not monitor it and see how long in between settings. In a case where the code returns immediatly, the BAS or ESP module is faulty. This system requires a Mercedes level scan tool to test.

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#9 (permalink) Old 08-15-2009, 02:03 AM
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Got an really bad skid on the car in a roundabout when you used to the ESP kickin in if needed. It couldnt be any contact-issues between the two controllers? Is the "CAN-bus" a cord between them or how is the logic there?
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#10 (permalink) Old 07-21-2011, 02:39 AM
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Originally Posted by Chris A View Post
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code C1025 is defined as " CAN Communication BAS communication with ESP control unit faulty." This basically means that the BAS module is not networking correctly with the ESP module, commonly this is usually a glitch code, unless it returns more than once. I would have the system reset and see if the code returns immedialty, of not monitor it and see how long in between settings. In a case where the code returns immediatly, the BAS or ESP module is faulty. This system requires a Mercedes level scan tool to test.

On my slk230 from 1998 I get the same code. (with the Mercedes DAS multiplexer). Cannot get it erased. ABS/ASR and the BAS lights stays on.

I have read a lot of topics, but I am having trouble to determine what the CAN Bus exactly is. I think it means Controller Area Network. And that it controls several inputs.

Where can I find that CAN Bus? Maybe a stupid question but I am dutch and having some trouble with some technical words.
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