P1681 Acura Control Module Not Programmed

P1681 Acura Control Module Not Programmed

Possible causes

– Fualty ECM
– Wrong ECM for vehicle
– Service program error

What about the obd code?

Engine Control Module (ECM) program does not recognize the vehicles id, or the id is missing in the ECM.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P1681 Acura Description

This diagnostic trouble code (DTC) indicates a programming error within the control module.

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