P160C Code: Easy Steps to Solve It
The P160C diagnostic trouble code (DTC) is related to the engine control system and specifically indicates an issue with the Engine Calibration Information Not Programmed in the Glow Plug Control Module (GPCM). This code is commonly found in diesel engines, particularly in General Motors (GM) vehicles equipped with Duramax engines. When this code appears, it suggests that there’s a discrepancy in the calibration data stored