P1681 Mercedes-Benz Control Module Not Programmed
Possible causes
– Fualty ECM
– Wrong ECM for vehicle
– Service program error
– 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 Mercedes-Benz Description
This diagnostic trouble code (DTC) indicates a programming error within the control module.
Mercedes-Benz Vehicle:Mercedes-Benz C-Class,Mercedes-Benz CL-Class,Mercedes-Benz CLK-Class,Mercedes-Benz CLS-Class,Mercedes-Benz E-Class,Mercedes-Benz G-Class,Mercedes-Benz GL-Class,Mercedes-Benz GLK-Class,Mercedes-Benz M-Class,Mercedes-Benz R-Class,Mercedes-Benz S-Class,Mercedes-Benz SL-Class,Mercedes-Benz SLK-Class,Mercedes-Benz SLS-Class,Mercedes-Benz Sprinter 2500,Mercedes-Benz Sprinter 3500,