Hyundai fault codes
7,974 codes · 345 vehicle records · 168 ECU records · 0 live-data parameters
Codes 7,974
| Code | Description | Brands | System |
|---|---|---|---|
| P2181 | Cooling system performance | 25 | Powertrain |
| P2182 | Engine cooling temperature sensor 2 reliability | 25 | Powertrain |
| P2183 | Engine Coolant Temperature Sensor 2 Circuit Range/Performance | 33 | Powertrain |
| P2184 | Engine Coolant Temperature Sensor 2 Circuit Low | 33 | Powertrain |
| P2185 | Engine Coolant Temperature Sensor 2 Circuit High | 33 | Powertrain |
| P2186 | Engine coolant temperature sensor 2 circuit intermittent/erratic | 25 | Powertrain |
| P2187 | Fuel system too lean in idle working condition | 36 | Powertrain |
| P2188 | Fuel system too rich in idle working condition | 35 | Powertrain |
| P2189 | System too lean at idle bank 2 | 31 | Powertrain |
| P2190 | System too rich at idle bank 2 | 31 | Powertrain |
| P2191 | System Too Lean at Higher Load (Bank 1) | 31 | Powertrain |
| P2192 | System Too Rich at Higher Load (Bank 1) | 31 | Powertrain |
| P2193 | System too lean at higher load bank 2 | 28 | Powertrain |
| P2194 | System Too Rich at Higher Load (Bank 2) | 30 | Powertrain |
| P2195 | The upstream oxygen is too lean when accelerating and enriching it. | 42 | Powertrain |
| P219500 | If the front lambda sensor signal is stuck lean under engine over-run condition, ECM sets | 2 | Powertrain |
| P2196 | O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 1) | 42 | Powertrain |
| P219600 | If the front lambda sensor signal is stuck rich under engine over-run condition, ECM sets | 2 | Powertrain |
| P2197 | O2 Sensor Signal Biased/Stuck Lean (Bank 2 Sensor 1) | 38 | Powertrain |
| P2198 | Oxygen (Lambda) sensor B2 S1: signal too high (rich) | 35 | Powertrain |
| P2199 | Intake Air Temperature Sensor 1/2 Correlation | 32 | Powertrain |
| P219C | Cylinder 1 air-fuel ratio imbalance | 19 | Powertrain |
| P219D | Cylinder 2 air-fuel ratio imbalance | 19 | Powertrain |
| P219E | Cylinder 3 air-fuel ratio imbalance | 19 | Powertrain |
| P219F | Cylinder 4 air-fuel ratio imbalance | 19 | Powertrain |
| P21C9 | Reductant control module power relay/relays control circuit high | 8 | Powertrain |
| P21CB | Reductant control module supply voltage low | 16 | Powertrain |
| P21CC | Reductant control module supply voltage high | 18 | Powertrain |
| P21CE | Reductant quality module performance | 7 | Powertrain |
| P2200 | NOx Sensor Circuit Bank 1 | 33 | Powertrain |
| P2201 | Input voltage is higher than 360 volts | 30 | Powertrain |
| P2202 | Output voltage is less than 250 volts | 29 | Powertrain |
| P2203 | NOx Sensor Circuit High (Bank 1 Sensor 1) | 31 | Powertrain |
| P2204 | DC/DC converter internal temperature is higher than 90°C | 27 | Powertrain |
| P2205 | NOx Sensor Heater Control Circuit/Open (Bank 1 Sensor 1) | 27 | Powertrain |
| P2206 | NOx Sensor Heater Control Circuit Low Bank 1 | 27 | Powertrain |
| P2207 | NOx Sensor Heater Control Circuit High (Bank 1 Sensor 1) | 27 | Powertrain |
| P2208 | NOx Sensor Heater Sense Circuit (Bank 1 Sensor 1) | 28 | Powertrain |
| P2209 | NOx Sensor Heater Sense Circuit Range/Performance (Bank 1 Sensor 1) | 28 | Powertrain |
| P220A | NOx Sensor Supply Voltage Circuit (Bank 1 Sensor 1) | 22 | Powertrain |
| P220B | NOx Sensor Supply Voltage Circuit (Bank 1 Sensor 2) | 20 | Powertrain |
| P220E | NOx sensor heater control circuit range/performance bank 1 sensor 1 | 13 | Powertrain |
| P220F | NOx sensor heater control circuit range/performance bank 1 sensor 2 | 11 | Powertrain |
| P2210 | NOx Sensor Heater Sense Circuit Low (Bank 1 Sensor 1) | 28 | Powertrain |
| P2211 | NOx Sensor Heater Sense Circuit High Bank 1 | 28 | Powertrain |
| P2212 | NOx Sensor Heater Sense Circuit Intermittent Bank 1 | 25 | Powertrain |
| P2213 | NOx sensor circuit bank 2 | 26 | Powertrain |
| P2214 | NOx sensor circuit range/performance bank 2 | 27 | Powertrain |
| P2215 | NOx sensor circuit low bank 2 | 26 | Powertrain |
| P2216 | NOx sensor circuit high bank 2 | 26 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.