P0420-00Catalyst Efficiency (Bank 1)
NHTSA 10151745 ↗ NHTSA 10159959 ↗ NHTSA 10159960 ↗ NHTSA 10216164 ↗ NHTSA 10217402 ↗
P0420 · Manufacturer wording
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
P0420 ← What does this code mean?48 Results
P0420-00Catalyst Efficiency (Bank 1).·
P0420-00Catalyst System Efficiency Below Threshold Bank 1
NHTSA 11014719 ↗ NHTSA 11014730 ↗ NHTSA 11014735 ↗ NHTSA 11015037 ↗ NHTSA 11015518 ↗ NHTSA 11030416 ↗
P0420-00Catalyst System Efficiency Below Threshold Bank 1
P0420CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD - BANK 1
P0420POWERTRAIN CONTROL MODULE (PCM) REFLASH
P0420CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD - BANK 1
P0420Warm Up Catalyst Efficiency Below Threshold, recorded in the ECM
P0420Catalyst System Efficiency Below Threshhold Bank 1
P0420CATALYTIC CONVERTER IS UNDAMAGED
P0420THREE WAY CATALYST FUNCTION
P0420TW CATALYST SYS-BI
P0420Catalyst System Efficiency Below Threshold Bank 1
NHTSA 10243245 ↗ NHTSA 10243248 ↗ NHTSA 11020111 ↗ NHTSA 11020624 ↗ NHTSA 11027730 ↗ NHTSA 11035323 ↗
P0420-00Catalyst Efficiency (Bank 1)
P0420-00Catalyst System Efficiency Below Threshold Bank 1
NHTSA 10176587 ↗ NHTSA 11014727 ↗ NHTSA 11014729 ↗ NHTSA 11015519 ↗ NHTSA 11016290 ↗ NHTSA 11032319 ↗
P0420-00Catalyst System Efficiency Below Threshold Bank 1(Sales Code ETM)
P0420Catalyst System Efficiency Below Threshold Bank 1
NHTSA 10244906 ↗ NHTSA 10246083 ↗ NHTSA 11016166 ↗ NHTSA 11022300 ↗
P0420Catalyst System Efficiency Below Threshold