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P2268 code and Glow Plug light

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Old Oct 10, 2014 | 01:12 PM
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ml320cdi
P2268 code and Glow Plug light
The Glow plug and CEL lights stay lit while driving. I changed the glow plug controller figuring it was probably time anyway. The only engine code I get is 2268-001 (Error on transmitting LIN message). Dealer says alternator, but when I run the engineering display on the dash the regulator is showing 13.9v-14v. Any ideas on next steps to isolate the error?
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Old Oct 11, 2014 | 09:30 AM
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2019 WS222 S450 4-Matic / 2007 W211 E350 4Matic (Sold) / 2008 X164 GL320 CDI
P2268 says Water in fuel on a lot of lists.
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Old Oct 24, 2014 | 08:00 PM
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ml320cdi
Alternator did the trick
Changed the Alternator, the voltage display looks the same, but the glow plug light goes on/off and stays out as normal, so i guess the regulator was putting bad data onto the network giving the glow plug module fits. All looks good now.
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