Code result
P2623
Injector Control Pressure Regulator Circuit / Open
Moderate severity
What it means
The Injector Control Pressure (ICP) regulator on hydraulically actuated injectors (HEUI diesel) or the high-pressure regulator on common-rail systems cannot be driven. Injection pressure cannot be controlled, engine may not start.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open coil in the pressure regulator
highOne of the most commonly reported causes for this code — check this first.
Broken control wire
mediumA plausible cause — test and verify before replacing parts.
Related help
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