OBD-II code · Powertrain (generic, extended)
P2624 Injector Control Pressure Regulator Circuit Low
Voltage on the ICP regulator control line is below the expected window. Usually a short to ground or a shorted regulator coil.
Is it safe to drive with P2624?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyControl wire shorted to ground
- PossibleInternal short in regulator coil
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Icp Regulator, Wiring Harness
Related codes
- P2621Throttle Position Output Circuit Low
- P2622Throttle Position Output Circuit High
- P2623Injector Control Pressure Regulator Circuit / Open
- P2625Injector Control Pressure Regulator Circuit High
- P2626O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1
- P2627O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.