Nissan

P2851 Nissan code error help.

P2851 Nissan Code – Shift Fork Position Sensor ‘A’/’B’ Correlation

The P2851 Nissan code is an indication that the transmission control module (TCM) has detected an abnormal correlation between shift fork position sensors ‘A’ and ‘B.’ If left unchecked, this code can cause an array of symptoms such as engine light ON, transmission shifting problems, and poor fuel economy. To diagnose the P2851 code, a …

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