Fault code lookup

EOBD fault codes

14,315 codes · 0 vehicle records · 0 ECU records · 0 live-data parameters

Search only EOBD codes

Codes 14,315

CodeDescriptionBrandsSystem
P2247O2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 131Powertrain
P2248O2 Sensor Reference Voltage Performance (Bank 2 Sensor 1)27Powertrain
P2249O2 Sensor Reference Voltage Circuit Low Bank 2 Sensor 129Powertrain
P224ANOx sensor heater resistance bank 1 sensor 114Powertrain
P224BNOx sensor heater resistance bank 1 sensor 28Powertrain
P224CAlternative fuel tank shutoff valve 'A' control circuit/open10Powertrain
P224DAlternative fuel tank shutoff valve 'A' control circuit performance/stuck off10Powertrain
P224EAlternative fuel tank shutoff valve 'A' control circuit low10Powertrain
P224FAlternative fuel tank shutoff valve 'A' control circuit high10Powertrain
P2250O2 Sensor Reference Voltage Circuit High Bank 2 Sensor 126Powertrain
P2251Upstream oxygen sensor negative current control circuit open35Powertrain
P2252O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 133Powertrain
P2253O2 Sensor Negative Current Control Circuit High Bank 1 Sensor 133Powertrain
P2254O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 134Powertrain
P2255O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 132Powertrain
P2256O2 Sensor Negative Current Control Circuit High Bank 2 Sensor 132Powertrain
P2257Air system control 'A' circuit low30Powertrain
P2258Air system control 'A' circuit high30Powertrain
P2259Air system control 'B' circuit low24Powertrain
P225ANOx sensor calibration memory bank 1 sensor 15Powertrain
P225BNOx sensor calibration memory bank 1 sensor 24Powertrain
P225CNOx Sensor Performance - Signal Biased/Stuck High (Bank 1 Sensor 1)17Powertrain
P225DNOx sensor performance - signal biased/stuck low bank 1 sensor 118Powertrain
P225ENOx Sensor Performance - Signal Biased/Stuck High (Bank 1 Sensor 2)15Powertrain
P225FNOx sensor performance - signal biased/stuck low bank 1 sensor 215Powertrain
P2260Air system control 'B' circuit high24Powertrain
P2261Pressure relief valve mechanical failure33Powertrain
P2262Turbocharger/Supercharger Boost Pressure Not Detected Mechanical27Powertrain
P2263Turbocharger/Supercharger Boost System Performance33Powertrain
P2264Water in Fuel Sensor A Circuit33Powertrain
P2265Water in Fuel Sensor A Circuit Range/Performance31Powertrain
P2266Water in Fuel Sensor Circuit Low29Powertrain
P2267Water in Fuel Sensor Circuit High28Powertrain
P2268Water in Fuel Sensor Circuit Intermittent25Powertrain
P2269Water in Fuel Condition30Powertrain
P226AWater in fuel lamp control circuit24Powertrain
P226BTurbocharger/Supercharger A Boost Pressure Too High - Mechanical28Powertrain
P226CTurbocharger Boost Control A Slow Response18Powertrain
P226DParticulate Filter Deteriorated/Missing Substrate (Bank 1)27Powertrain
P226EParticulate filter deteriorated/missing substrate bank 27Powertrain
P226FTurbocharger boost control 'B' slow response10Powertrain
P2270O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 2)38Powertrain
P2271O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 2)37Powertrain
P2272Rich-mixture voltage not reached37Powertrain
P2273Lean-mixture voltage not reached36Powertrain
P2274O2 Sensor Signal Stuck Lean Bank 1 Sensor 322Powertrain
P2275O2 Sensor Signal Stuck Rich Bank 1 Sensor 320Powertrain
P2276O2 Sensor Signal Stuck Lean Bank 2 Sensor 320Powertrain
P2277O2 Sensor Signal Stuck Rich Bank 2 Sensor 320Powertrain
P2278O2 Sensor Signals Swapped Bank 1 Sensor 3/Bank 2 Sensor 320Powertrain

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.

OpenDTC - independent fault code reference