P0840 – Transmission fluid pressure (TFP) sensor / switch A -circuit malfunction

By BAT Team (Contact Me)
Last Updated 2015-11-22
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Code	Fault Location	Probable Cause
P0840	Transmission fluid pressure (TFP) sensor A -circuit malfunction (Buy Part On Amazon)	Wiring, poor connection, TFP sensor, ECM/PCM/TCM

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