P1643 Acura Engine Speed Output Circuit
Possible causes
– Reprogram computer – Faulty ECM
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1643 Acura Description
There is a communication problem with Control Area Network (CAN) link from the Engine Control Module (ECM)to the Transmission Control Module (TCM)
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