Chevrolet P1048: Reductant Injector High Control Circuit Low Voltage
Is your scanner showing Chevrolet P1048?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1048: Reductant Injector High Control Circuit Low Voltage
OVERVIEWWhat Does The Chevrolet P1048 Code Mean?
This code sets when the ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 5 s.
The engine is running. The battery voltage is greater than 11 V. The ECM is commanding the reductant injector duty cycle greater than 0 %. The Reductant Injection Inhibit Reason displays: None. The DTCs run continuously once the above conditions are met.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Dorman 86689C 399 PC Automotive Electrical Repair Kit
>>> Fuel injector Genuine Diesel Exhaust Fluid DEF Injection Nozzle
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
- GM, 2014, Service Bullettin – Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid
System or Service Emission System Driver Information Center Messages. - GM, 2015, Service Bullettin – Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service
Emission System Driver Information Center Messages. - GM, 2018, Service Bullettin – PIP5594 DTC P1048 Reductant Injector High Control Circuit Low Voltage.
