P1680 Buick Control Module Not Programmed
Possible causes
– Engine Control Module (ECM) programm error
– Wrong Engine Control Module (ECM)
– Faulty Engine Control Module (ECM)
– Wrong Engine Control Module (ECM)
– Faulty Engine Control Module (ECM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1680 Buick Description
The Engine Control Module (ECM) program does not recognize the vehicles id, or the id is missing in the ECM.
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera