dtc p1682 chevrolet

 

P1682 P129D P10E4 P2535, Dead Battery, Crank Won't Start, Can't Program ECM, Headlamp Engine Running With Ignition Off and Water Ingression

Chevrolet g are affected vehicle makes. Chevrolet Silverado 1500 from 2016 to 2018 and 2019 Chevrolet Silverado LD GMC Sierra 1500 models from 2016 to 2018 to 2019/2019 GMC Sierra Limited No crank Finished battery crank will not turn ECM DTC P1682, P129D, P10E4, or P2535 will generally be SPS reprogrammed the ignition on maintains the engine running Any of the following programmes of electrical study centre fuses with the ignition on might have voltage once doing routine diagnostics: F26UA, F31UA, F34UA, F39UA, F40UA, or F56UA. With the ignition off, there ought to be no voltage gift in these fuses as a result of their switch to ignition. A dead battery may result from many modules being awake and ne'er about to sleep as a result of this. These worries might come back and go, and they may be further noticeable when it's raining.

Any of the aforementioned situations could be brought on by water entering one of the light source assemblies, headlamp assembly connectors, X110, or X120. 

Corrected: Look for water intrusion in every headlight component. If the water infiltration is discovered, unplug the appropriate headlamp assembly and evaluate the situation. If the condition improves, you should consider replacing the headlamp assembly. If separating the headlamp assembly doesn't help, look for water intrusion in the connections to the headlamp assembly, at X110 or X120, and make any necessary repairs. 

Service Methodology: