Home/Dodge/P0430

What does code P0430 mean on a Dodge and is it safe to drive?

P0430: Catalyst System Efficiency Below Threshold (Bank 2). Here's what it means on your Dodge, what usually causes it, what repairs typically cost, and how safe it is 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 for your Dodge

  • 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 Dodge, repairs for P0430 often fall between $400 and $2400, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.

Known issues on Dodge

Dodge HEMI P0430 follows the same pattern as P0420 on the bank 2 catalyst. Replacing both converters simultaneously is cost-effective on HEMI models since labor is essentially the same.

Most commonly affected models

Charger V8 2006–2010Durango V8 2004–2009

Is it safe to keep driving your Dodge with this code?

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

Browse P0430 on your Dodge by model year

Year-specific guides include Dodge-tailored causes and repair costs.

More codes for Dodge

View all OBD2 code guides for Dodge