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Possible Cause

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

High pressure fuel pump failure
High pressure fuel pump HP+B1 line open
High pressure fuel pump HP+B1 line short to ground
High pressure fuel pump HP+B1 line short to power
High pressure fuel pump HP-B1 line open
High pressure fuel pump HP-B1 line short to ground
High pressure fuel pump HP-B1 line short to power
Injector relay failure
PCM internal circuit failure (injector driver power supply line open)