P0840 Isuzu 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 Isuzu 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.
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