P1682 A/T FI Signal A High Input (Acura, Honda)P1682 Charging System Voltage Too Low (Chrysler, Jeep)
Trouble code P1682 means: Ignition 1 Switch Circuit 2
Trouble code P1682 means: Charging system voltage too low
Powertrain Control Module Fault. It can also be a problem with the cooling system. I recommend you seek professional help at a GM dealership as there are TSBs on this code on your Cobalt.
Charging system voltage too low.
P1682 Charging System Voltage Too Low
Alternator going bad..replace it. Just had the same thing on my 2000 neon
You have to find the cause of the charging system malfunction. It could be the alternator, wiring, or PCM.
It means the charging system voltage (is) too low, Check the alternator and the voltage regulator. The voltage regulator is a part of the powertrain control module or PCM.
the correct code is mhdjhflame
This is not a correct code.
by putting a correct code
no code is assigned