Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSHYUNDAI2014EQUUS SIGNATUREREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXENGINE CONTROL SYSTEM DTCS
2014 Hyundai Equus Signature
Engine Control System DTCS
2014 Hyundai Equus SignatureSECTION Engine Control System DTCS
ENGINE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE DESCRIPTION
| DTC | Description |
|---|---|
| DTC P0011 | 'A' Camshaft Position-Timing Over-Advanced or System Performance (Bank 1) |
| DTC P0014 | 'B' Camshaft Position - Timing Over-Advanced or System Performance (Bank 1) |
| DTC P0016 | Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) |
| DTC P0017 | Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B) |
| DTC P0018 | Crankshaft Position-Camshaft Position Correlation (Bank 2 Sensor A) |
| DTC P0019 | Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor B) |
| DTC P0021 | 'A' Camshaft Position-Timing Over-Advanced or System Performance (Bank 2) |
| DTC P0024 | 'B' Camshaft Position - Timing Over-Advanced or System Performance (Bank 2) |
| DTC P0030 | HO2S Heater Control Circuit (Bank 1/Sensor 1) |
| DTC P0031 | HO2S Heater Control Circuit Low (Bank 1/Sensor 1) |
| DTC P0032 | HO2S Heater Control Circuit High (Bank 1/Sensor 1) |
| DTC P0036 | HO2S Heater Control Circuit (Bank 1/Sensor 2) |
| DTC P0037 | HO2S Heater Control Circuit Low (Bank 1/Sensor 2) |
| DTC P0038 | HO2S Heater Control Circuit High (Bank 1/Sensor 2) |
| DTC P0050 | HO2S Heater Control Circuit (Bank 2/Sensor 1) |
| DTC P0051 | HO2S Heater Control Circuit Low (Bank 2/Sensor 1) |
| DTC P0052 | HO2S Heater Control Circuit High (Bank 2/Sensor 1) |
| DTC P0056 | HO2S Heater Control Circuit (Bank 2/Sensor 2) |
| DTC P0057 | HO2S Heater Control Circuit Low (Bank 2/Sensor 2) |
| DTC P0058 | HO2S Heater Control Circuit High (Bank 2/Sensor 2) |
| DTC P0075 | Intake Valve Control Solenoid Circuit (Bank 1) |
| DTC P0076 | Intake Valve Control Solenoid Circuit-Low (Bank 1) |
| DTC P0077 | Intake Valve Control Solenoid Circuit-High (Bank 1) |
| DTC P0078 | Exhaust Valve Control Solenoid Circuit (Bank 1) |
| DTC P0079 | Exhaust Valve Control Solenoid Circuit Low (Bank 1) |
| DTC P0080 | Exhaust Valve Control Solenoid Circuit High (Bank 1) |
| DTC P0081 | Intake Valve Control Solenoid Circuit (Bank 2) |
| DTC P0082 | Intake Valve Control Solenoid Circuit-Low (Bank 2) |
| DTC P0083 | Intake Valve Control Solenoid Circuit-High (Bank 2) |
| DTC P0084 | Exhaust Valve Control Solenoid Circuit (Bank 2) |
| DTC P0085 | Exhaust Valve Control Solenoid Circuit Low (Bank 2) |
| DTC P0086 | Exhaust Valve Control Solenoid Circuit High (Bank 2) |
| DTC P0087 | Fuel Rail/System Pressure - Too Low |
| DTC P0088 | Fuel Rail/System Pressure - Too High |
| DTC P0089 | Fuel Pressure Regulator 1 Performance |
| DTC P008B | Low Pressure Fuel Pressure - Too High |
| DTC P0090 | Fuel Pressure Regulator 1 Control Circuit/Open |
| DTC P0091 | Fuel Pressure Regulator 1 Control Circuit Low |
| DTC P0092 | Fuel Pressure Regulator 1 Control Circuit High |
| DTC P0106 | Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance |
| DTC P0107 | Manifold Absolute Pressure/Barometric Pressure Circuit Low Input |
| DTC P0108 | Manifold Absolute Pressure/Barometric Pressure Circuit High Input |
| DTC P0111 | Intake Air Temperature Sensor 1 Circuit Range/Performance |
| DTC P0112 | Intake Air Temperature Sensor 1 Circuit Low Input |
| DTC P0113 | Intake Air Temperature Sensor 1 Circuit High Input |
| DTC P0116 | Engine Coolant Temperature Circuit Range/Performance |
| DTC P0117 | Engine Coolant Temperature Circuit Low Input |
| DTC P0118 | Engine Coolant Temperature Circuit High Input |
| DTC P0119 | Engine Coolant Temperature Circuit Intermittent |
| DTC P011B | Engine Coolant Temperature/Intake Air Temperature Correlation |
| DTC P0121 | Throttle Position Sensor 1 Signal Circuit Range/Performance |
| DTC P0122 | Throttle Position Sensor 1 Signal Circuit Low Input |
| DTC P0123 | Throttle Position Sensor 1 Signal Circuit High Input |
| DTC P0128 | Coolant Thermostat (Coolant Temperature below Thermostat Regulating Temperature) |
| DTC P0130 | O2 Sensor Circuit(Bank 1/Sensor 1) |
| DTC P0131 | O2 Sensor Circuit Low Voltage(Bank 1/Sensor 1) |
| DTC P0132 | O2 Sensor Circuit High Voltage(Bank 1/Sensor 1) |
| DTC P0133 | O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) |
| DTC P0134 | O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) |
| DTC P0136 | O2 Sensor Circuit(Bank 1/Sensor 2) |
| DTC P0137 | O2 Sensor Circuit Low Voltage (Bank 1/Sensor 2) |
| DTC P0138 | O2 Sensor Circuit High Voltage (Bank 1/Sensor 2) |
| DTC P0139 | O2 Sensor Circuit Slow Response(Bank 1/Sensor 2) |
| DTC P0140 | O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2) |
| DTC P0150 | O2 Sensor Circuit(Bank 2/Sensor 1) |
| DTC P0151 | O2 Sensor Circuit Low Voltage (Bank 2/Sensor 1) |
| DTC P0152 | O2 Sensor Circuit High Voltage (Bank 2/Sensor 1) |
| DTC P0153 | O2 Sensor Circuit Slow Response (Bank 2/Sensor 1) |
| DTC P0154 | O2 Sensor Circuit No Activity Detected (Bank 2/Sensor 1) |
| DTC P0156 | O2 Sensor Circuit (Bank 2/Sensor 2) |
| DTC P0157 | O2 Sensor Circuit Low Voltage (Bank 2/Sensor 2) |
| DTC P0158 | O2 Sensor Circuit High Voltage (Bank 2/Sensor 2) |
| DTC P0159 | O2 Sensor Circuit Slow Response (Bank 2/Sensor 2) |
| DTC P0160 | O2 Sensor Circuit No Activity Detected (Bank 2/Sensor 2) |
| DTC P0191 | Fuel Rail Pressure Sensor Circuit Range/Performance |
| DTC P0192 | Fuel Rail Pressure Sensor Circuit Low Input |
| DTC P0193 | Fuel Rail Pressure Sensor Circuit High Input |
| DTC P0201 | Injector Circuit/Open-Cylinder 1 |
| DTC P0202 | Injector Circuit/Open-Cylinder 2 |
| DTC P0203 | Injector Circuit/Open-Cylinder 3 |
| DTC P0204 | Injector Circuit/Open-Cylinder 4 |
| DTC P0205 | Injector Circuit/Open-Cylinder 5 |
| DTC P0206 | Injector Circuit/Open-Cylinder 6 |
| DTC P0207 | Injector Circuit/Open - Cylinder 7 |
| DTC P0208 | Injector Circuit/Open - Cylinder 8 |
| DTC P020A | Cylinder 1 Injector Timing (Injector Input Line Circuit Error) |
| DTC P020B | Cylinder 2 Injector Timing (Injector Input Line Circuit Error) |
| DTC P020C | Cylinder 3 Injector Timing (Injector Input Line Circuit Error) |
| DTC P020D | Cylinder 4 Injector Timing (Injector Input Line Circuit Error) |
| DTC P020E | Cylinder 5 Injector Timing (Injector Input Line Circuit Error) |
| DTC P020F | Cylinder 6 Injector Timing (Injector Input Line Circuit Error) |
| DTC P0219 | Engine Overspeed Condition |
| DTC P021A | Cylinder 7 Injector Timing (Injector Input Line Circuit Error) |
| DTC P021B | Cylinder 8 Injector Timing (Injector Input Line Circuit Error) |
| DTC P0221 | Throttle Position Sensor 2 Signal Circuit Range/Performance |
| DTC P0222 | Throttle Position Sensor 2 Signal Circuit Low Input |
| DTC P0223 | Throttle Position Sensor 2 Signal Circuit High Input |
| DTC P0230 | Fuel Pump Primary Circuit |
| DTC P0253 | Injection Pump Fuel Metering Control 'A' Low (Cam/Rotor/Injector) |
| DTC P0254 | Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector) |
| DTC P0258 | Injection Pump Fuel Metering Control 'B' Low (Cam/Rotor/Injector) |
| DTC P0259 | Injection Pump Fuel Metering Control 'B' High (Cam/Rotor/Injector) |
| DTC P0261 | Cylinder 1 Injector Circuit Low |
| DTC P0262 | Cylinder 1 Injector Circuit High |
| DTC P0263 | Cylinder 1 Contribution/Balance |
| DTC P0264 | Cylinder 2 Injector Circuit Low |
| DTC P0265 | Cylinder 2 Injector Circuit High |
| DTC P0266 | Cylinder 2 Contribution/Balance |
| DTC P0267 | Cylinder 3 Injector Circuit Low |
| DTC P0268 | Cylinder 3 Injector Circuit High |
| DTC P0269 | Cylinder 3 Contribution/Balance |
| DTC P0270 | Cylinder 4 Injector Circuit Low |
| DTC P0271 | Cylinder 4 Injector Circuit High |
| DTC P0272 | Cylinder 4 Contribution/Balance |
| DTC P0273 | Cylinder 5 Injector Circuit Low |
| DTC P0274 | Cylinder 5 Injector Circuit High |
| DTC P0275 | Cylinder 5 Contribution/Balance |
| DTC P0276 | Cylinder 6 Injector Circuit Low |
| DTC P0277 | Cylinder 6 Injector Circuit High |
| DTC P0278 | Cylinder 6 Contribution/Balance |
| DTC P0279 | Cylinder 7 Injector Circuit Low |
| DTC P0280 | Cylinder 7 Injector Circuit High |
| DTC P0281 | Cylinder 7 Contribution/Balance |
| DTC P0282 | Cylinder 8 Injector Circuit Low |
| DTC P0283 | Cylinder 8 Injector Circuit High |
| DTC P0284 | Cylinder 8 Contribution/Balance |
| DTC P0300 | Random/Multiple Cylinder Misfire Detected |
| DTC P0301 | Cylinder 1-Misfire detected |
| DTC P0302 | Cylinder 2-Misfire detected |
| DTC P0303 | Cylinder 3-Misfire detected |
| DTC P0304 | Cylinder 4-Misfire detected |
| DTC P0305 | Cylinder 5-Misfire detected |
| DTC P0306 | Cylinder 6-Misfire detected |
| DTC P0307 | Cylinder 7 Misfire Detected |
| DTC P0308 | Cylinder 8 Misfire Detected |
| DTC P0326 | Knock Sensor 1 Circuit Range/Performance (Bank 1) |
| DTC P032B | Knock Sensor 3 Circuit Range/Performance |
| DTC P0331 | Knock Sensor 2 Circuit Range/Performance (Bank 2) |
| DTC P0335 | Crankshaft Position Sensor 'A' Circuit |
| DTC P0336 | Crankshaft Position Sensor 'A' Circuit Range/Performance |
| DTC P033B | Knock Sensor 4 Circuit Range/Performance |
| DTC P0340 | Camshaft Position Sensor 'A' Circuit (Single Sensor) |
| DTC P0341 | Camshaft Position Sensor A Circuit Range/Performance (Bank 1) |
| DTC P0345 | Camshaft Position Sensor 'A' Circuit (Bank 2) |
| DTC P0346 | Camshaft Position Sensor A Circuit Range/Performance (Bank 2) |
| DTC P0365 | Camshaft Position Sensor B Circuit Malfunction (Bank 1) |
| DTC P0366 | Camshaft Position Sensor 'B' Circuit Range/Performance (Bank 1) |
| DTC P0390 | Camshaft Position Sensor 'B' Circuit (Bank 2) |
| DTC P0391 | Camshaft Position Sensor 'B' Circuit Range/Performance (Bank 2) |
| DTC P0420 | Catalyst System Efficiency below Threshold (Bank 1) |
| DTC P0430 | Catalyst System Efficiency Below Threshold (Bank 2) |
| DTC P0441 | Evaporative Emission System Incorrect Purge Flow |
| DTC P0442 | Evaporative Emission System-Leak detected (small leak) |
| DTC P0444 | Evaporative Emission System-Purge Control Valve Circuit Open |
| DTC P0447 | Evaporative Emission System-Vent Control Circuit Open |
| DTC P0448 | Evaporative Emission System - Vent Control Circuit Shorted |
| DTC P0449 | Evaporative Emission System-Vent Valve/Solenoid Circuit |
| DTC P0451 | Evaporative Emission System-Pressure Sensor Range/Performance |
| DTC P0452 | Evaporative Emission System-Pressure Sensor Low Input |
| DTC P0453 | Evaporative Emission System-Pressure Sensor High Input |
| DTC P0455 | Evaporative Emission System-Leak detected (Large leak) |
| DTC P0456 | Evaporative Emission System-Leak detected (very small leak) |
| DTC P0457 | Evaporative Emission System-Leak detected (tank cap loose/off) |
| DTC P0458 | Evaporative Emission System Purge Control Valve Circuit Low |
| DTC P0459 | Evaporative Emission System Purge Control Valve Circuit High |
| DTC P0461 | Fuel Level Sensor 'A' Circuit Range/Performance |
| DTC P0462 | Fuel Level Sensor 'A' Circuit Low Input |
| DTC P0463 | Fuel Level Sensor 'A' Circuit High Input |
| DTC P0504 | Brake Switch 'A'/'B' Correlation |
| DTC P0506 | Idle Air Control System-RPM Lower than Expected |
| DTC P0507 | Idle Air Control System-RPM Higher than Expected |
| DTC P050A | Cold Start Idle Air Control System Performance |
| DTC P050B | Cold Start Ignition Timing Performance |
| DTC P0532 | A/C Refrigerant Pressure Sensor 'A' Circuit Low Input |
| DTC P0533 | A/C Refrigerant Pressure Sensor 'A' Circuit High Input |
| DTC P0560 | System Voltage |
| DTC P0562 | System Voltage Low |
| DTC P0563 | System Voltage High |
| DTC P0605 | Internal Control Module Read Only Memory(ROM) Error |
| DTC P0606 | ECM/PCM Processor |
| DTC P0611 | Fuel Injector Control Module Performance |
| DTC P061B | Internal Control Module Torque Calculation Performance |
| DTC P0625 | Generator Field/F Terminal Circuit Low |
| DTC P0626 | Generator Field/F Terminal Circuit High |
| DTC P0627 | Fuel Pump 'A' Control Circuit/Open |
| DTC P0630 | VIN Not Programmed or Incompatible-ECM/PCM |
| DTC P0638 | Throttle Actuator Control Range/Performance (Bank 1) |
| DTC P0642 | Sensor Reference Voltage 'A' Circuit Low |
| DTC P064A | Fuel Pump Control Module |
| DTC P0652 | Sensor Reference Voltage 'B' Circuit Low |
| DTC P0685 | ECM/PCM Power Relay Control Circuit/Open |
| DTC P0698 | Sensor Reference Voltage 'C' Circuit Low |
| DTC P1230 | Low Pressure Fuel Pump malfunction |
| DTC P1233 | Low Pressure Fuel System - High deviation between target and current pressure |
| DTC P2066 | Fuel Level Sensor 'B' Performance |
| DTC P2067 | Fuel Level Sensor 'B' Circuit Low |
| DTC P2068 | Fuel Level Sensor 'B' Circuit High |
| DTC P2096 | Post Catalyst Fuel Trim System too Lean (Bank 1) |
| DTC P2097 | Post Catalyst Fuel Trim System too Rich (Bank 1) |
| DTC P2098 | Post Catalyst Fuel Trim System Too Lean (Bank 2) |
| DTC P2099 | Post Catalyst Fuel Trim System Too Rich (Bank 2) |
| DTC P2106 | Limp Home Mode - Force Limited Power |
| DTC P2118 | Throttle Actuator Control Motor Current Range/Performance |
| DTC P2122 | Accelerator Position Sensor 1 Signal Circuit Low Input |
| DTC P2123 | Accelerator Position Sensor 1 Signal Circuit High Input |
| DTC P2127 | Accelerator Position Sensor 2 Signal Circuit Low Input |
| DTC P2128 | Accelerator Position Sensor 2 Signal Circuit-High Input |
| DTC P2138 | Accelerator Position Sensor 1 & 2 Signal Voltage Correlation |
| DTC P2159 | Vehicle Speed Sensor 'B' Range/Performance(Wheel Speed Sensor) |
| DTC P2187 | System too Lean at Idle (←Additive) (Bank 1) |
| DTC P2188 | System too Rich at Idle (Bank 1) |
| DTC P2189 | System Too Lean at Idle (←Additive) (Bank 2) |
| DTC P2190 | System too Rich at Idle (Bank 2) |
| DTC P2191 | System too Lean at Higher Load (Multiple) (Bank 1) |
| DTC P2192 | System too Rich at Higher Load (Bank 1) |
| DTC P2193 | System Too Lean at Higher Load (←Multiple) (Bank 2) |
| DTC P2194 | System Too Rich at Higher Load (Bank 2) |
| DTC P2227 | Barometric Pressure Circuit Range/Performance |
| DTC P2228 | Barometric Pressure Circuit Low Input |
| DTC P2229 | Barometric Pressure Circuit High Input |
| DTC P2270 | O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2) |
| DTC P2271 | O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2) |
| DTC P2272 | O2 Sensor Stuck Lean - Bank2 Sensor 2 |
| DTC P2273 | O2 Sensor Stuck Rich - Bank2 Sensor 2 |
| DTC P2294 | Fuel Pressure Regulator 2 Control Circuit |
| DTC P2295 | Fuel Pressure Regulator 2 Control Circuit Low |
| DTC P2296 | Fuel Pressure Regulator 2 Control Circuit High |
| DTC P2501 | Implausible Battery Sensor voltage |
| DTC P2502 | Charging System Voltage |
| DTC P2503 | Charging System Voltage Low |
| DTC P2540 | Low Pressure Fuel System Sensor Circuit Range/Performance |
| DTC P2541 | Low Pressure Fuel System Sensor Circuit Low |
| DTC P2542 | Low Pressure Fuel System Sensor Circuit High |
| DTC P2610 | ECM/PCM-Engine Off Timer Performance |
| DTC P2632 | Fuel Pump 'B' Control Circuit/Open |
| DTC U0001 | High Speed CAN Communication Bus off (C-CAN) |
| DTC U0100 | Lost Communication With ECM/PCM 'A' (C-CAN) |
| DTC U0101 | Lost Communication with TCM (C-CAN) |
| DTC U0105 | Lost Communication With Fuel Injector Control Module |
| DTC U0109 | Lost Communication With Fuel Pump Control Module |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.