Powertrain
generic / SAE
P2623
Injector Control Pressure Regulator Circuit / Open
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 23
Possible causes
- Open coil in the pressure regulator high
- Broken control wire medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 300–2500 €
- Estimated time: 1.5–6 h
- Component: icp regulator
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012