SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSHYUNDAI2017SANTA FE SE, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 3)DTC P0430: CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 2)DTC INFORMATIONDTC DETECTING CONDITION
2017 Hyundai Santa Fe SE, FWD

DTC Information: DTC Detecting Condition

2017 Hyundai Santa Fe SE, FWDSECTION DTC Detecting Condition
DTC DETECTING CONDITIONS AND POSSIBLE CAUSES

Item Detecting Condition Possible cause
DTC Strategy
  • Manipulates Air fuel and stores the times it takes for the pre and post converter oxygen sensors to switch
  1. Catalyst Converter
Enable Conditions
  • No disabling faults present
  • No instrumentation slows active
  • Engine Runtime longer than 580 sec.
  • Purge Concentration Learned
  • Airflow between 3 g/s and 10 g/s
  • Throttle closed less than 1.5%
  • Coolant Temp. between 70°C (158 °F) and 120°C (248 °F)
  • Ambient Temp. between -7°C (19.4 °F) and 105°C (221 °F)
  • Barometer greater than 72 kPa
  • Max number of test attempts less than 12
  • Closed Loop
  • Catalyst Temp. between 250°C (482 °F) and 950°C (1742 ° F)
  • Fuel learning completed
  • Vehicle speed less than 3 kph (1.8 mph)
  • Not air fuel ramping
  • Max idle time (about 60 sec.) not exceeded
Threshold value
  • Oxygen Storage Time less than 1.2 sec.
Diagnosis Time
  • 15 sec.
MIL On Condition
  • 1 Driving cycle
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.