P0840 Acura Transmission Fluid Pressure Sensor A
Possible causes
– Transmission Fluid Pressure Sensor A harness is open or shorted
– Transmission Fluid Pressure Sensor A poor electrical connection
– Faulty Transmission Fluid Pressure Sensor A
– Transmission Valve Body
– Transmission Fluid Pressure Sensor A poor electrical connection
– Faulty Transmission Fluid Pressure Sensor A
– Transmission Valve Body
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0840 Acura Description
The transmission fluid pressure sensor A (primary pressure sensor) detects primary pressure of Continuously Variable Transmission (CVT) and sends Transmission Control Module (TCM) the signal.
Acura Vehicle:
Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX