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.
2012 Hyundai Tucson GL, Automatic TransFACTORY OEM SERVICE PROCEDURE
Engine Control System Diagnosis (1 Of 3)
- DTC Index
- 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 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 P0076: Intake Valve Control Solenoid Circuit-Low (Bank 1)
- DTC P0077: Intake Valve Control Solenoid Circuit-High (Bank 1)
- DTC P0079: Exhaust Valve Control Solenoid Circuit Low (Bank 1)
- DTC P0080: Exhaust Valve Control Solenoid Circuit High (Bank 1)
- 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 Sensor1 Circuit Range/Performance
- DTC P0112: Intake Air Temperature Sensor 1 Circuit Low Input
- DTC P0113: Intake Air Temperature Sensor 1 Circuit High Input
- DTC P011B: Engine Coolant Temperature/Intake Air Temperature Correlation
- 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/Pedal Position Sensor/Switch 'A' Circuit Range/Performance
- DTC P0122: Throttle/Pedal Position Sensor/Switch 'A' Circuit Low Input
- DTC P0123: Throttle/Pedal Position Sensor/Switch 'A' Circuit High Input
- DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat (Coolant Temperature below Thermostat Regulating Temperature)
- 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 P0135: O2 Sensor Heater Circuit (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 P0171: System Too Lean (Bank 1)
- DTC P0172: System Too Rich (Bank 1)
- DTC P0221: Throttle/Pedal Position Sensor/Switch 'B' Circuit Range/Performance
- DTC P0222: Throttle/Pedal Position Sensor/Switch 'B' Circuit Low Input
- DTC P0223: Throttle/Pedal Position Sensor/Switch 'B' Circuit High Input
- DTC P0230: Fuel Pump Primary Circuit
- DTC P0261: Cylinder 1 Injector Circuit Low
- DTC P0262: Cylinder 1 Injector Circuit High
- DTC P0263: Cylinder 1 Injector Circuit Balance (Load Drop Is Detected)
- DTC P0264: Cylinder 2 Injector Circuit Low
- DTC P0265: Cylinder 2 Injector Circuit High
- DTC P0266: Cylinder 2 Injector Circuit Balance (Load Drop Is Detected)
- DTC P0267: Cylinder 3 Injector Circuit Low
- DTC P0268: Cylinder 3 Injector Circuit High
- DTC P0269: Cylinder 3 Injector Circuit Balance (Load Drop Is Detected)
- DTC P0270: Cylinder 4 Injector Circuit Low
- DTC P0271: Cylinder 4 Injector Circuit High
- DTC P0272: Cylinder 4 Injector Circuit Balance (Load Drop Is Detected)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.