GMC U1898: Starter/Generator Control Module (SGCM) Lost Communication With Hybrid Control Module (HCM)
Is your scanner showing GMC U1898?
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GMC U1898: Starter/Generator Control Module (SGCM) Lost Communication With Hybrid Control Module (HCM)
OVERVIEWWhat Does The GMC U1898 Code Mean?
Voltage supplied to the module is in the normal operating voltage range of 9-16 volts.
What Are The Potential Causes Of The GMC U1898 Code?
For DTC U1892, ensure all power and ground circuits to the electric-hydraulic power steering (EHPS) module including the motor are tested. A loss of voltage or ground to the EHPS hydraulic motor as well as to the module may cause a loss of power
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
>>> GM Genuine Alternator Control Module
>>> GM Genuine Hybrid Powertrain Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
GMC U1898, DTCDECODE.
