The DTC code P0234 in a Volvo vehicle is a sign that the onboard computer has registered the following anomaly:
"Fuel Pump Secondary Circuit Intermittent"
Although this is a standardized OBD2 code, the symptoms and the location of the faulty sensor can vary depending on the exact model of your Volvo (year, engine type, etc).
Instead of changing parts blindly, use the CarWatch AI assistant. Scan your Volvo's sensors in real-time and find out the root cause of the P0234 fault before going to the shop.
👉 Diagnose my Volvo for FreeTo clear the engine light and read the P0234 code from your phone, you need an OBD2 adapter compatible with the Volvo ECU.
🛒 View Compatible Scanner on Amazon