ACURA fault codes
Coverage shown is Honda data: 6,283 codes · 1,034 vehicle records · 229 ECU records · 0 live-data parameters.
ACURA shares fault-code data with Honda. Data may not cover ACURA-specific systems.
Codes 6,283
| Code | Description | Brands | System |
|---|---|---|---|
| P21D4 | Cylinder 6 injector 'B' circuit/open | 14 | Powertrain |
| P2226 | Barometric Pressure Sensor A Circuit | 37 | Powertrain |
| P2227 | Barometric pressure sensor A circuit range/performance | 35 | Powertrain |
| P2228 | Barometric Pressure Sensor A Circuit Low | 42 | Powertrain |
| P2229 | Short circuit to positive or line break | 42 | Powertrain |
| P2231 | O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 1) | 36 | Powertrain |
| P2232 | Downstream oxygen sensor signal failure | 30 | Powertrain |
| P2237 | Upstream oxygen sensor positive current control circuit open | 35 | Powertrain |
| P2238 | O2 Sensor Positive Current Control Circuit Low Bank 1 Sensor 1 | 32 | Powertrain |
| P2239 | O2 Sensor Positive Current Control Circuit High Bank 1 Sensor 1 | 33 | Powertrain |
| P2240 | O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 1 | 34 | Powertrain |
| P2241 | O2 Sensor Positive Current Control Circuit Low Bank 2 Sensor 1 | 31 | Powertrain |
| P2242 | O2 Sensor Positive Current Control Circuit High Bank 2 Sensor 1 | 33 | Powertrain |
| P2243 | Upstream oxygen sensor reference voltage circuit open | 34 | Powertrain |
| P2245 | O2 Sensor Reference Voltage Circuit Low (Bank 1 Sensor 1) | 31 | Powertrain |
| P2247 | O2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 1 | 31 | Powertrain |
| P2249 | O2 Sensor Reference Voltage Circuit Low Bank 2 Sensor 1 | 29 | Powertrain |
| P2251 | Upstream oxygen sensor negative current control circuit open | 35 | Powertrain |
| P2252 | O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 1 | 33 | Powertrain |
| P2253 | O2 Sensor Negative Current Control Circuit High Bank 1 Sensor 1 | 33 | Powertrain |
| P2254 | O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 1 | 34 | Powertrain |
| P2255 | O2 Sensor Negative Current Control Circuit Low Bank 2 Sensor 1 | 32 | Powertrain |
| P2256 | O2 Sensor Negative Current Control Circuit High Bank 2 Sensor 1 | 32 | Powertrain |
| P2261 | Pressure relief valve mechanical failure | 33 | Powertrain |
| P2263 | Turbocharger/Supercharger Boost System Performance | 33 | Powertrain |
| P226B | Turbocharger/Supercharger A Boost Pressure Too High - Mechanical | 28 | Powertrain |
| P226D | Particulate Filter Deteriorated/Missing Substrate (Bank 1) | 27 | Powertrain |
| P2270 | O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 2) | 38 | Powertrain |
| P2271 | O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 2) | 37 | Powertrain |
| P2272 | Rich-mixture voltage not reached | 37 | Powertrain |
| P2273 | Lean-mixture voltage not reached | 36 | Powertrain |
| P2279 | Intake Air System Leak (Bank 1) | 33 | Powertrain |
| P228E | Fuel Pressure Regulator 1 Exceeded Learning Limits - Too Low | 23 | Powertrain |
| P228F | Fuel Pressure Regulator 1 Exceeded Learning Limits - Too High | 25 | Powertrain |
| P2297 | O2 Sensor Out of Range During Deceleration Bank 1 Sensor 1 | 35 | Powertrain |
| P2298 | O2 Sensor Out of Range During Deceleration Bank 2 Sensor 1 | 31 | Powertrain |
| P22AB | Oxygen sensor positive current control circuit/open bank 1 sensor 2 | 14 | Powertrain |
| P22AE | Oxygen sensor reference voltage circuit/open bank 1 sensor 2 | 13 | Powertrain |
| P22B1 | Oxygen sensor reference voltage circuit high bank 1 sensor 2 | 12 | Powertrain |
| P22B2 | Oxygen sensor negative current control circuit/open bank 1 sensor 2 | 14 | Powertrain |
| P22B3 | Oxygen sensor negative current control circuit low bank 1 sensor 2 | 12 | Powertrain |
| P22B4 | Oxygen sensor negative current control circuit high bank 1 sensor 2 | 12 | Powertrain |
| P22B5 | Oxygen sensor pumping current trim circuit/open bank 1 sensor 2 | 6 | Powertrain |
| P22D1 | Turbocharger turbine inlet valve control circuit high | 14 | Powertrain |
| P22D2 | Turbocharger turbine inlet valve stuck open | 8 | Powertrain |
| P22D3 | Turbocharger turbine inlet valve stuck closed | 8 | Powertrain |
| P22D4 | Turbocharger turbine inlet valve position sensor circuit | 9 | Powertrain |
| P2400 | Evaporative Emissions (EVAP) System Leak Detection Pump Control Loop Open Circuit | 32 | Powertrain |
| P2401 | Short circuit to negative or open circuit | 33 | Powertrain |
| P2402 | EVAP System Leak Detection Pump Control Circuit High | 35 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.