P1234 MINI Possible Causes
- Faulty fuel pump relay
- Fuel pump relay circuit is open or shorted
- Poor electrical connection in the fuel pump relay circuit
How to Fix P1234 MINI Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1234 MINI Meaning
Fuel pump relay activation is the generic description for P1234 Mini code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the P1234 Mini OBDII code.