P2C1ECold Start Fuel Pressure Regulator A Performance
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Needs a drive cycle to confirm a fix
- How the car detects it
- Direct-injection petrol engines often run a catalyst-heating mode after a cold start, with split injections that need tightly held rail pressure. P2C1E says regulator A, which meters the high-pressure pump, ran out of authority in that phase. GM defines it in its engine tables from 2019 (19OBDG03D) to 2025 (25OBDG03B): fault when the commanded pump delivery angle sits at 92° or more, or at 0° or less, for 10 s within 12.5 s, with at least 11 V and over 0.275 MPa feed pressure; Type B, MIL after two trips. Unlike P2C1F/P2C20 it judges the actuator command, not the pressure gap. Because California wants cold-start faults kept apart from ordinary ones, the code exists next to P0089. Ford logs its cold-start pressure fault as P053F instead.
- What you may notice
- MIL after two cold starts with the fault
- Rough idle or hesitation in the first minute after a cold start
- Often no noticeable symptom once warm
- Likely causes
- LikelyWorn high-pressure pump that needs full stroke to reach the target
- PossibleInsufficient feed pressure from the in-tank pump or a clogged filter
- PossibleSticking quantity control valve on the high-pressure pump
- RareWorn pump drive cam or follower reducing effective stroke
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Medium · Usually a job for a workshop.Typical cost: €100 – €1,200
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.