P062AFuel Pump A Control Circuit Range/Performance
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- P062A is a plausibility check of the fuel pump control circuit, not a plain short or open. On Ford's 2023 diesels (F-250 to F-550 and 3.0 L) the lift pump module reports its status as a duty cycle; outside 78–82 % – the expected 'good' signal – the code sets after 0.5 s. On the Alfa Romeo Giulia 2.0 turbo (2017) P062A was a false trigger fixed by reprogramming the engine module, without parts. GM and Ford petrol engines do not use P062A; Ford reports duty cycle deviations there under P025B and P064A. Depending on the cause the pump runs on a substitute value or pressure drops, with lack of power or long cranking. Circuit faults are P0627–P0629, fuel pressure itself P0087 and P0190 ff.
- What you may notice
- Check engine light on
- Lack of power or stumbling
- Delayed start
- Often no noticeable symptoms (software case)
- Likely causes
- LikelyPump driver module faulty or reporting an error status
- PossibleEngine module software (false trigger)
- PossibleContact problems or resistance in signal or supply wires
- RarePump stiff or overloaded
- 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: €0 – €600
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.