Question about Cars & Trucks
Ford Focus 1.8 Tdci fault code communication bus fault B912,B913 B914,B915,B916,How do I rectify this please
Posted by Anonymous on
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Posted on Jan 02, 2017
bottom line is the U1262 is a communication failure between your scanner and a module
assuming you actually pulled the code from the PCM then you have lost communication with a different module like the ABS, DDM, LCM, RASM, HEC, PAM and any other module I can't think of right now
You need a detailed pinpoint test from a Ford service manual or aftermarket source like Alldata, Shop key or Mitchell on Demand
You could be dealing with over a 100 different test PER module
Obviously something we can't do on-line too easily
If you could at least identify which module you have lost communications with your dealer may, for a fee, copy the correct pinpoint test
Posted on May 20, 2010
Tips for a great answer:
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The "NO BUS" points to PCM communication failure. Disconnect the battery negative then unplug and plug back in the PCM connectors. Reconnect battery and run engine. Try pulling DTCs with a code scanner. If the PCM won't communicate, it's probably fried.
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