Posted by VanguardTuning in Diagnostics on 2 October 2026
It's Fault Code Friday! ⚠️
Got a warning light on? Post the code (or what the dash is showing), your car and what you've noticed, and the Vanguard team will tell you what it could mean and what to check first.
Code of the week: P0230 - Fuel pump relay control circuit. Your vehicle's computer has detected a fault in the fuel pump control circuit. Read more: https://www.vanguardtuning.co.uk/fault-codes/P0230
Please don't post your registration or VIN.
This thread is open all day today and locks at midnight - Fault Code Friday is back next Friday.
Have something to add? Join the Vanguard Tuning forum - free to read, free to join. Need a hand with your own vehicle? Book a diagnostic check or call 0330 223 8272.