My cruze car continues show 54 and 136 code What to do - Facebook
The car may enter a "Reduced Engine Power" state to protect the fuel system. code 54 cruze
This is the most common outcome — a cheap relay fixes the problem. My cruze car continues show 54 and 136
The fuel pump system relies on a clean chassis ground. On the Cruze, a critical ground point is G302 (under the vehicle, near the fuel tank). Remove, clean, and reattach this ground. On the Cruze, a critical ground point is
: Most owners resolve this by replacing the diesel filter assembly or draining the water separator. If the code persists after a filter change, it may indicate a deeper issue with the fuel pump or contaminated fuel in the main tank. General Chevrolet Cruze Reliability (Diesel vs. Gas)
On the Cruze (1.4L and 1.8L engines), the fuel pump is powered through a specific fuse—often F14 or F32 in the underhood fuse block. If this fuse is blown, loose, or has corrosion on its prongs, voltage drops, triggering Code 54.