2010 Volvo P0430: What It Means & Is It Safe to Drive?

P0430 on the 2010 Volvo: Catalyst System Efficiency Below Threshold (Bank 2). Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.

PowertrainMedium urgency

What this code means

Same as P0420 but for bank 2. The catalytic converter on bank 2 is not operating efficiently.

Common causes on the 2010 Volvo

  • Failed catalytic converter (bank 2)
  • Faulty O2 sensor(s)
  • Exhaust leak

Symptoms

  • Check Engine Light
  • May fail emissions

Typical fixes

  • Replace bank 2 catalytic converter
  • Replace oxygen sensors
  • Repair exhaust leaks

Repair cost range

For a 2010 Volvo, repairs for P0430 typically fall between $400 and $2400, depending on the root cause and labor rates in your area.

Known issues on Volvo

Volvo P0430 applies primarily to V8 XC90 and S80 models (4.4L Yamaha V8). On inline-5 and inline-6 Volvo engines, P0430 is rare since there is no bank 2. If it appears on an inline engine, verify the scan tool is reading correctly before any diagnosis.

Most commonly affected models

XC90 V8 2007–2011S80 V8 2007–2011

Is it safe to keep driving your 2010 Volvo with this code?

For driving-safety guidance—how far you can go, when to tow, and what's urgent—see these checklists:

See all codes for your Volvo

Looking for a different code, or want the full guide without the year filter?