SCION fault codes
Coverage shown is Toyota data: 12,945 codes · 876 vehicle records · 1,973 ECU records · 43,462 live-data parameters.
SCION shares fault-code data with Toyota. Data may not cover SCION-specific systems.
Codes 12,945
| Code | Description | Brands | System |
|---|---|---|---|
| P221A | NOx sensor 1/2 correlation bank 1 | 6 | Powertrain |
| P221B | NOx sensor 1/2 correlation bank 2 | 6 | Powertrain |
| P221C | Reductant heater 'B' current too low | 11 | Powertrain |
| P221D | Reductant heater 'B' current too high | 11 | Powertrain |
| P221E | Reductant heater 'C' current too low | 11 | Powertrain |
| P221F | Reductant heater 'C' current too high | 11 | Powertrain |
| P2220 | NOx sensor heater control circuit high bank 2 | 25 | Powertrain |
| P2221 | NOx sensor heater sense circuit bank 2 | 25 | Powertrain |
| P2222 | NOx sensor heater sense circuit range/performance bank 2 | 27 | Powertrain |
| P2223 | NOx sensor heater sense circuit low bank 2 | 27 | Powertrain |
| P2224 | NOx sensor heater sense circuit high bank 2 | 26 | Powertrain |
| P2225 | NOx sensor heater sense circuit intermittent bank 2 | 25 | 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 |
| P222A | Barometric pressure sensor 'B' circuit | 21 | Powertrain |
| P222B | Barometric pressure sensor 'B' circuit range/performance | 22 | Powertrain |
| P222C | Barometric pressure sensor 'B' circuit low | 23 | Powertrain |
| P222D | Barometric pressure sensor 'B' circuit high | 23 | Powertrain |
| P222E | Barometric pressure sensor 'B' circuit intermittent/erratic | 22 | Powertrain |
| P222F | Barometric pressure sensor 'A'/'B' correlation | 20 | Powertrain |
| P2230 | Barometric Pressure Sensor A Circuit Intermittent/Erratic | 29 | Powertrain |
| P2231 | O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 1) | 36 | Powertrain |
| P2232 | Downstream oxygen sensor signal failure | 30 | Powertrain |
| P2233 | O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 3 | 23 | Powertrain |
| P2234 | O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 1 | 30 | Powertrain |
| P2235 | O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 2 | 27 | Powertrain |
| P2236 | O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 3 | 22 | 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 |
| P2244 | O2 Sensor Reference Voltage Performance (Bank 1 Sensor 1) | 31 | Powertrain |
| P2245 | O2 Sensor Reference Voltage Circuit Low (Bank 1 Sensor 1) | 31 | Powertrain |
| P2246 | O2 Sensor Reference Voltage Circuit High (Bank 1 Sensor 1) | 28 | Powertrain |
| P2247 | O2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 1 | 31 | Powertrain |
| P2248 | O2 Sensor Reference Voltage Performance (Bank 2 Sensor 1) | 27 | Powertrain |
| P2249 | O2 Sensor Reference Voltage Circuit Low Bank 2 Sensor 1 | 29 | Powertrain |
| P224A | NOx sensor heater resistance bank 1 sensor 1 | 14 | Powertrain |
| P224B | NOx sensor heater resistance bank 1 sensor 2 | 8 | Powertrain |
| P224C | Alternative fuel tank shutoff valve 'A' control circuit/open | 10 | Powertrain |
| P224D | Alternative fuel tank shutoff valve 'A' control circuit performance/stuck off | 10 | Powertrain |
| P224E | Alternative fuel tank shutoff valve 'A' control circuit low | 10 | Powertrain |
| P224F | Alternative fuel tank shutoff valve 'A' control circuit high | 10 | Powertrain |
| P2250 | O2 Sensor Reference Voltage Circuit High Bank 2 Sensor 1 | 26 | Powertrain |
| P2251 | Upstream oxygen sensor negative current control circuit open | 35 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.