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Originally Posted by jc300e
Curious if anyone has experienced similar..... 06 ML350 CEL on. Indy shop connects diagnostic PC to car and can not read the codes. Seems to be my car. the codes......
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Yeah, I've seen this before. It seems to occur on 203's and 163's exclusively. I've never seen it happen to a 164. The owner finds out about the problem when they go to state inspection. I'm told it's a timing issue between the ME-SFI module and the scan tool. You can try a different scanner.
Sometimes repeated disconnect/reconnect will get it working. In many cases that I've seen it was necessary to replace ME.
