Coder Readers Won't Work On My Car. Port Issue?
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Joined: Feb 2013
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1994 C280
Coder Readers Won't Work On My Car. Port Issue?
I have a 1994 C280. Since the beginning of this year I have been unable to pull codes from my ODB II code reader. (BTW, the speedometer/odometer stopped working around the same time.) I've tried using other code readers in the port from various places, but they all give me error messages -- none of them will give me any codes. At this point I have to assume there is something wrong with the port internally, or elsewhere on my vehicle. Does anyone have any experience with this? Thanks in advance for your advice.
Thread Starter
Newbie
Joined: Feb 2013
Posts: 5
Likes: 0
From: Earth or thereabouts
1994 C280
Thread Starter
Newbie
Joined: Feb 2013
Posts: 5
Likes: 0
From: Earth or thereabouts
1994 C280
Thanks for your response.
1. "First the IC..." I have no idea what "IC" means.
2. I checked fuse #4 and #7 and they are good.
3. I have never used an "adapter" with my 16 pin ODB scanner. We've only plugged 16 pin scanners directly in the 16 pin socket under the steering wheel.
4. When I plug in the scanner, I follow all the instructions, it does it's thing, and about a minute later, it tells me "Link Error!!" every time.
I'm not familiar with any other sockets for code readers, and I'm not clear on the last part of your message: "...the ODB reader will not be able to communicate with the non ODB chassis and trans modules. For that you need the HHT tester built into the DAS."
5. What does "HHT tester" and "DAS" mean?
To clarify further, my code reader and port used to work fine, then suddenly stopped. I took to Auto Zone and other places and let them try their code readers in the same 16 pin port. None of those worked either. All gave the same "Error Link" Message.
1. "First the IC..." I have no idea what "IC" means.
2. I checked fuse #4 and #7 and they are good.
3. I have never used an "adapter" with my 16 pin ODB scanner. We've only plugged 16 pin scanners directly in the 16 pin socket under the steering wheel.
4. When I plug in the scanner, I follow all the instructions, it does it's thing, and about a minute later, it tells me "Link Error!!" every time.
I'm not familiar with any other sockets for code readers, and I'm not clear on the last part of your message: "...the ODB reader will not be able to communicate with the non ODB chassis and trans modules. For that you need the HHT tester built into the DAS."
5. What does "HHT tester" and "DAS" mean?
To clarify further, my code reader and port used to work fine, then suddenly stopped. I took to Auto Zone and other places and let them try their code readers in the same 16 pin port. None of those worked either. All gave the same "Error Link" Message.
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Joined: Oct 2022
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c220
I have solved the speedo and odometer problem but they have proved not to be related to diagnostic tool communication problem since communication problem still exists but I have tried with autocom and launch both did not work maybe original tool is required. Coming to the speedo and odometer problem it was because of aftermarket radio, the vss signal comes from abs module and it is shared between some modules so the radio grounds the signal causing odometer not to work
