522157-2 I've got a manual for this code. It states DTC 522157-2 - TISS Sensor Direction or Direction Check Input Failure (TCU).
gone to the live data for the Xmsn and the input sensor rpm is reading correctly. the match the rpm on the engine.
Anyone know what else could cause this fault and how to test.
the display also show 'trans brake limited use brake' message when at high speed then disappears when you come to a stop.
any info would be appreciated.
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