LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2011 >> Equus Signature >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Engine Control System DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control System DTCS

ENGINE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

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 P0101 Mass or Volume Air Flow 'A' Circuit Range/Performance
DTC P0102 Mass or Volume Air Flow 'A' Circuit Low Input
DTC P0103 Mass or Volume Air Flow 'A' 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 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 P1028 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 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 P0219 Engine Overspeed Condition
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 P0261 Cylinder 1 Injector Circuit Low
DTC P0262 Cylinder 1 Injector Circuit High
DTC P0264 Cylinder 2 Injector Circuit Low
DTC P0265 Cylinder 2 Injector Circuit High
DTC P0267 Cylinder 3 Injector Circuit Low
DTC P0268 Cylinder 3 Injector Circuit High
DTC P0270 Cylinder 4 Injector Circuit Low
DTC P0271 Cylinder 4 Injector Circuit High
DTC P0273 Cylinder 5 Injector Circuit Low
DTC P0274 Cylinder 5 Injector Circuit High
DTC P0276 Cylinder 6 Injector Circuit Low
DTC P0277 Cylinder 6 Injector Circuit High
DTC P0279 Cylinder 7 Injector Circuit Low
DTC P0280 Cylinder 7 Injector Circuit High
DTC P0282 Cylinder 8 Injector Circuit Low
DTC P0283 Cylinder 8 Injector Circuit High
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 P0327 Knock Sensor 1 Circuit Low (Bank 1)
DTC P0328 Knock Sensor 1 Circuit High (Bank 1)
DTC P032C Knock Sensor 3 Circuit Low (Bank 1)
DTC P032D Knock Sensor 3 Circuit High (Bank 1)
DTC P0332 Knock Sensor 2 Circuit Low (Bank 2)
DTC P0333 Knock Sensor 2 Circuit High (Bank 2)
DTC P0335 Crankshaft Position Sensor 'A' Circuit
DTC P0336 Crankshaft Position Sensor 'A' Circuit Range/Performance
DTC P033C Knock Sensor 4 Circuit Low (Bank 2)
DTC P033D Knock Sensor 4 Circuit High (Bank 2)
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 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 P0450 Evaporative Emission System Pressure Sensor/Switch
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 P0496 Evaporative Emission System High Purge Flow
DTC P0497 Evaporative Emission System Low Purge Flow
DTC P0501 Vehicle Speed Sensor 'A' Range/Performance
DTC P0502 Vehicle Speed Sensor 'A' Circuit Low Input
DTC P0503 Vehicle Speed Sensor A Intermittent/Erratic/High
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 P0532 A/C Refrigerant Pressure Sensor 'A' Circuit Low Input
DTC P0533 A/C Refrigerant Pressure Sensor 'A' Circuit High Input
DTC P0562 System Voltage Low
DTC P0563 System Voltage High
DTC P0564 Cruise Control Multi-Function Input A Circuit
DTC P0605 Internal Control Module Read Only Memory (ROM) Error
DTC P0606 ECM/PCM Processor
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 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 P0645 A/C Clutch Relay Control Circuit
DTC P0646 A/C Clutch Relay Control Circuit Low
DTC P0647 A/C Clutch Relay Control Circuit High
DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0652 Sensor Reference Voltage 'B' Circuit Low
DTC P0660 Intake Manifold Tuning Valve Control Circuit/Open (Bank 1)
DTC P0661 Intake Manifold Tuning Valve Control Circuit Low (Bank 1)
DTC P0662 Intake Manifold Tuning Valve Control Circuit High (Bank 1)
DTC P0698 Sensor Reference Voltage 'C' Circuit Low
DTC P0704 Clutch Switch Input Circuit Malfunction
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 P2101 Throttle Actuator Control Motor Circuit Range/Performance
DTC P2106 Limp Home Mode - Force Limited Power
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 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 P2270 O2 Sensor Stuck Lean - Bank1 Sensor 2
DTC P2271 O2 Sensor Stuck Rich - Bank1 Sensor 2
DTC P2272 O2 Sensor Stuck Lean - Bank2 Sensor 2
DTC P2273 O2 Sensor Stuck Rich - Bank2 Sensor 2
DTC P2502 Charging System Voltage
DTC P2610 ECM/PCM-Engine Off Timer Performance
DTC U0001 High Speed CAN Communication Bus off
DTC U0101 Lost Communication With TCM
DTC U1111 Battery Sensor fault detected by ECU
DTC U1112 LIN Communication Error