P0016 Crankshaft position-camshaft position correlation malfunction
• The PCM monitors the input signals from the CKP sensor and CMP sensor while engine is running. If the input signals from the CKP sensor and the CMP sensor do not correspond, the PCM determines that there is a correlation malfunction between crankshaft and camshaft position.
P0045 Variable boost control (VBC) solenoid valve control circuit low or high input
• The PCM monitors the output signal when the PCM controls the variable boost control solenoid valve between 30 and 69%. If the current of the variable boost control solenoid valve is less than 0.8 A during variable boost control solenoid valve control, the PCM determines that there is a malfunction in the variable boost control solenoid valve control circuit.
P0088 Fuel pressure system too high
• The PCM monitors the fuel pressure in the common rail from the fuel pressure sensor while the engine running. If the fuel pressure is more than 188 MPa {1,917 kgf/cm2, 27,267 psi}, the PCM determines that the fuel pressure is too high.
P0093 Fuel system leak detection
• The PCM monitors the fuel pressure in the common rail from the fuel pressure sensor while the engine running. If the fuel pressure is lower after the fuel injection than the preprogrammed criteria, the PCM determines fuel system leakage.
P0096 Intake air temperature (IAT) sensor No.2 range/performance problem
• The PCM monitors the input signal from intake air temperature sensor No.2. If the difference between the maximum and minimum value of the intake air temperature sensor No.2 is less than 1 °C {1.8 °F}, the PCM determines that there is a malfunction in intake air temperature sensor No.2.
P0097 Intake air temperature (IAT) sensor No.2 circuit low input
• The PCM monitors the input signal from intake air temperature sensor No.2. If the voltage from intake air temperature sensor No.2 is less than 0.14 V, the PCM determines that there is a malfunction in the intake air temperature sensor No.2 circuit.
P0098 Intake air temperature (IAT) sensor No.2 circuit high input
• The PCM monitors the input signal from intake air temperature sensor No.2. If the voltage from intake air temperature sensor No.2 is more than 4.92 V, the PCM determines that there is a malfunction in the intake air temperature sensor No.2 circuit.
P0101 Mass air flow (MAF) sensor range/performance problem
• The PCM monitors the input signal from the mass air flow sensor when the engine speed is between 600 rpm and 2,100 rpm. If the voltage characteristic of the air flow sensor signal is out of the threshold, the PCM determines that there is a malfunction in the mass air flow sensor.
P0102 Mass air flow (MAF) sensor circuit low input
• The PCM monitors the input signal from the air flow sensor. If the voltage from the air flow sensor is less than 0.15 V, the PCM determines that there is a malfunction in the air flow sensor circuit.
P0103 Mass air flow (MAF) sensor circuit high input
• The PCM monitors the input signal from the air flow sensor. If the voltage from the air flow sensor is more than 4.9 V, the PCM determines that there is a malfunction in the intake air temperature sensor No. 2 circuit.
P0106 Boost sensor range/performance problem
• The PCM monitors the vacuum inside the intake manifold. If the difference of the vacuum inside the intake manifold during middle engine speed and low engine speed is less than the threshold, the PCM determines that there is a malfunction in the manifold absolute pressure sensor characteristic.
P0107 Boost sensor circuit low input
• The PCM monitors the input signal from the manifold absolute pressure. If the voltage from the manifold absolute pressure sensor is less than 0.4 V, the PCM determines that there is a malfunction in the manifold absolute pressure sensor circuit.
P0108 Boost sensor circuit high input
• The PCM monitors the input signal from the manifold absolute pressure sensor. If the voltage from the manifold absolute pressure sensor is more than 4.8 V, the PCM determines that there is a malfunction in the manifold absolute pressure sensor circuit.
P0111 Intake air temperature (IAT) sensor No.1 range/performance problem
• The PCM monitors the input signal from intake air temperature sensor No.1. If the difference between the maximum and minimum value of the intake air temperature sensor No.1 is less than 1 °C {1.8 °F}, the PCM determines that there is a malfunction in intake air temperature sensor No.1.
P0112 Intake air temperature (IAT) sensor No.1 circuit low input
• The PCM monitors the input signal from intake air temperature sensor No.1. If the voltage from intake air temperature sensor No.1 is less than 0.14 V, the PCM determines that there is a malfunction in the intake air temperature sensor No.1 circuit.
P0113 Intake air temperature (IAT) sensor No.1 circuit high input
• The PCM monitors the input signal from intake air temperature sensor No.1. If the voltage from intake air temperature sensor No.1 is more than 4.92 V, the PCM determines that there is a malfunction in the intake air temperature sensor No.1 circuit.
P0116 Engine coolant temperature (ECT) sensor range/performance problem
• The PCM monitors the input signal from the engine coolant temperature sensor. If the difference between the maximum and minimum value of the engine coolant temperature is less than 3 °C {5.4 °F}, the PCM determines that there is a malfunction in the engine coolant temperature sensor characteristic.
P0117 Engine coolant temperature (ECT) sensor circuit low input
• The PCM monitors the input signal from the engine coolant temperature sensor. If the voltage from the engine coolant temperature sensor is less than 0.14 V, the PCM determines that there is a malfunction in the engine coolant temperature sensor circuit.
P0118 Engine coolant temperature (ECT) sensor circuit high input
• The PCM monitors the input signal from the engine coolant temperature sensor. If the voltage from the engine coolant temperature sensor is more than 4.92 V, the PCM determines that there is a malfunction in the engine coolant temperature sensor circuit.
P0122 Accelerator pedal position (APP) sensor No.1 circuit low input
• The PCM monitors the input signal from accelerator pedal position sensor No.1. If the voltage from accelerator pedal position sensor No.1 is less than 0.3 V, the PCM determines that there is a malfunction in the accelerator pedal position sensor No.1 circuit.
P0123 Accelerator pedal position (APP) sensor No.1 circuit high input
• The PCM monitors the input signal from accelerator pedal position sensor No.1. If the voltage from accelerator pedal position sensor No.1 is more than 4.7 V, the PCM determines that there is a malfunction in the accelerator pedal position sensor No.1 circuit.
P0182 Fuel temperature sensor circuit low input
• The PCM monitors the input signal from the fuel temperature sensor. If the voltage from the fuel temperature sensor is less than 0.14 V, the PCM determines that there is a malfunction in the fuel temperature sensor circuit.
P0183 Fuel temperature sensor circuit high input
• The PCM monitors the input signal from the fuel temperature sensor. If the voltage from the fuel temperature sensor is more than 4.92 V, the PCM determines that there is a malfunction in the fuel temperature sensor circuit.
P0191 Fuel pressure sensor range/performance problem
• The PCM monitors the fuel pressure in the common rail and input signal from the fuel pressure sensor while the engine is running. If all of the following conditions is met, the PCM determines that there is malfunction in the fuel pressure sensor range/performance problem.
P0192 Fuel pressure sensor circuit low input
• PCM monitors input voltage from fuel pressure sensor while engine is running. If input voltage from fuel pressure sensor is less than 0.4 V, PCM determines fuel pressure sensor circuit low input.
P0193 Fuel pressure sensor circuit high input
• PCM monitors input voltage from fuel pressure sensor while engine is running. If input voltage from fuel pressure sensor is more than 4.86 V, PCM determines fuel pressure sensor circuit high input.
P0200 Fuel injector operation identified
• The PCM monitors each cylinder injection confirmation signal from the IDM while the engine is running. If the PCM does not receive the injection confirmation signal for unspecified cylinder normally, the PCM determines that the unspecified cylinder fuel injector operation is not verified.
P0201 Fuel injector No.1 operation identified
• The PCM monitors each cylinder injection confirmation signal from the IDM while the engine is running. If the PCM does not receive the injection confirmation signal for No.1 cylinder normally, PCM determines that the fuel injector No.1 operation is not verified.
P0202 Fuel injector No.2 operation identified
• The PCM monitors each cylinder injection confirmation signal from the IDM while the engine is running. If the PCM does not receive the injection confirmation signal for No.2 cylinder normally, the PCM determines that the fuel injector No.2 operation is not verified.
P0203 Fuel injector No.3 operation identified
• The PCM monitors each cylinder's injection confirmation signal from the IDM while the engine is running. If the PCM does not receive the injection confirmation signal for No.3 cylinder normally, the PCM determines that the fuel injector No.3 operation is not verified.
P0204 Fuel injector No.4 operation identified
• The PCM monitors each cylinder injection confirmation signal from the IDM while the engine is running. If the PCM does not receive the injection confirmation signal for No.4 cylinder normally, the PCM determines that the fuel injector No.4 operation is not verified.
P0222 Accelerator pedal position (APP) sensor No.2 circuit low input
• The PCM monitors the input signal from accelerator pedal position sensor No.2. If the voltage from accelerator pedal position sensor No.2 is less than 0.3 V, the PCM determines that there is a malfunction in the accelerator pedal position sensor No.2 circuit.
P0223 Accelerator pedal position (APP) sensor No.2 circuit high input
• The PCM monitors the input signal from accelerator pedal position sensor No.2. If the voltage from accelerator pedal position sensor No.2 is more than 4.7 V, the PCM determines that there is a malfunction in the accelerator pedal position sensor No.2 circuit.
P0225 Idle switch circuit malfunction
• The PCM monitors the input signals from the accelerator pedal position sensor and the idle switch. If the idle switch is off even if the voltage from the accelerator pedal position sensor is less than 0.75 V, the PCM determines that there is a malfunction in the idle switch circuit.
P0301, P0302, P0303, P0304 Cylinder No.1/No.2/No.3/No.4 misfire detection
• The PCM monitors the CKP sensor input signal interval time. The PCM calculates the deviation of the interval time for each cylinder. If the deviation of interval time exceeds the preprogrammed criteria, the PCM detects a misfire in the corresponding cylinder. While the engine is running, the PCM counts the number of misfires and calculates misfire ratio for each crankshaft revolution. If the ratio exceeds the preprogrammed criteria, the PCM determines that a misfire, which can affect emission performance, has occurred.
P0336 CKP sensor range/performance problem
• The PCM monitors input signal from the CKP sensor while the engine is running. If the input signal from the CKP sensor does not correspond with the proper pulse number, the PCM determines CKP sensor performance problem.
P0337 CKP sensor circuit low input
• The PCM monitors the input signal from the CKP sensor and the CMP sensor while the engine is running. If the input signal from the CKP sensor is not input while the PCM detects 28 pulses from the CMP sensor, the PCM determines that there is a malfunction in the CKP sensor circuit.
P0341 CMP sensor range/performance problem
• The PCM monitors the input signal from the CMP sensor while the engine is running. If the input signal from the CMP sensor does not correspond with the proper pulse number, the PCM determines CMP sensor performance problem.
P0342 CMP sensor circuit low input
• The PCM monitors the input signal from the CMP sensor and the CKP sensor while the engine is running. If the input signal from the CMP sensor is not input while the PCM detects 255 pulses from the CKP sensor, the PCM determines that there is a malfunction in the CMP sensor circuit.
P0401 EGR flow insufficient detected
• The PCM monitors the difference between the target air amount and intake air amount while the EGR system is operating. If the difference between the target air amount and the intake air amount is less than the threshold, the PCM determines that there is a malfunction in the EGR system.
P0402 EGR flow excessive detected
• The PCM monitors the difference between the target air amount and intake air amount while the EGR system is operating. If the difference between the target air amount and the intake air amount is more than the threshold, the PCM determines that there is a malfunction in the EGR system.
P0404 EGR valve stuck
• The PCM monitors the input signal from the EGR valve position sensor while the EGR system is operating. If the output voltage difference is less than threshold when the EGR flow amount changes, the PCM determines that there is a malfunction in the EGR valve.
P0406 EGR valve position sensor circuit high input
• The PCM monitors the input signal from the EGR valve position sensor. If the voltage from the EGR valve position sensor is more than 4.75 V, the PCM determines that there is a malfunction in the EGR valve position sensor circuit.
P0489 EGR solenoid valve (vacuum) control circuit low input
• The PCM monitors the output signal to the EGR solenoid valve (vacuum). If the EGR solenoid valve (vacuum) voltage is low even if the EGR solenoid valve (vacuum) is off, the PCM determines that there is a malfunction in the intake shutter solenoid valve control circuit.
P0490 EGR solenoid valve (vacuum) control circuit high input
• The PCM monitors the output signal to the EGR solenoid valve (vacuum). If the EGR solenoid valve (vacuum) voltage is high even if the EGR solenoid valve (vacuum) is on, the PCM determines that there is a malfunction in the EGR solenoid valve (vacuum) control circuit.
P0500 Vehicle speed signal problem
• The PCM monitors the vehicle speed signal from the ABS, ABS/TCS HU/CM. If the vehicle speed signal is not correct, the PCM determines that the vehicle speed signal from ABS, ABS/TCS HU/CM has malfunction.
P0512 Engine switch circuit high input
• The PCM monitors the engine speed and the starter signal. If the engine speed is more than 700 rpm and the starter switch ON signal is input, the PCM determines that there is a malfunction in the starter switch circuit.
P0562 Battery voltage low input
• The PCM monitors the battery voltage. If the battery voltage is less than 8 V, the PCM determines that there is a malfunction in the battery and the battery signal system.
P0563 Battery voltage high input
• The PCM monitors the battery voltage. If the battery voltage is more than 16 V, the PCM determines that there is a malfunction in the battery charging system.
P0606 PCM malfunction
• PCM internal malfunction.
P0627 Suction control valve circuit open
• The PCM monitors the suction control valve operation circuit signal frequency at PCM terminal 94. If the difference between the suction control valve operation frequency at PCM terminal 93 and the monitored suction control valve operation circuit signal frequency at PCM terminal 94 exceeds the threshold, the PCM determines that suction control valve open circuit.
P0628 Suction control valve circuit low input
• The PCM monitors the suction control valve circuit current while the engine is running. If the PCM detects the circuit current is less than 1 A when the suction control valve is on, the PCM determines that there is a malfunction in the suction control valve circuit.
P0629 Suction control valve circuit high input
• The PCM monitors the suction control valve circuit current while the engine is running. If the PCM detects circuit current more than 1 A when the suction control valve is off, the PCM determines that there is a malfunction in the suction control valve circuit.
P0661 Intake shutter solenoid valve (half) circuit low input
• The PCM monitors the output signal to the intake shutter solenoid valve when the intake shutter solenoid valve is off. If the intake shutter solenoid valve voltage is less than 7.8 V when the intake shutter solenoid valve off, the PCM determines that there is a malfunction in the intake shutter solenoid valve control circuit.
P0662 Intake shutter solenoid valve (half) circuit high input
• The PCM monitors the output signal to the intake shutter solenoid valve when the intake shutter solenoid valve is on. If the intake shutter solenoid valve voltage is more than 7.8 V when the intake shutter solenoid valve on, the PCM determines that there is a malfunction in the intake shutter solenoid valve control circuit.
P0664 Intake shutter solenoid valve (full) circuit voltage low input
• The PCM monitors the output signal to the intake shutter solenoid valve. If the intake shutter solenoid valve voltage is less than 7.8 V when the intake shutter solenoid valve is on, the PCM determines that there is a malfunction in the intake shutter solenoid valve control system.
P0665 intake shutter solenoid valve (full) circuit voltage high input
• The PCM monitors the output signal to the intake shutter solenoid valve when intake shutter solenoid valve is on. If the intake shutter solenoid valve voltage is more than 7.8 V when the intake shutter solenoid valve is on, the PCM determines that there is a malfunction in the intake shutter solenoid valve control circuit.
P0704 Clutch pedal position switch circuit malfunction
• The PCM monitors input voltage from the clutch pedal position switch while the engine running. If the input voltage from the clutch pedal position switch does not change when the vehicle stops after accelerating to more than 30 km/h {18.6 mph} and decelerating to 0 km/h {0 mph}, the PCM determines that clutch pedal position switch circuit has a malfunction.
P0850 Neutral switch circuit malfunction
• The PCM monitors the input signal from the neutral switch when shifting. If the neutral switch signal is not input even once even when vehicle speed is more than 10 km/h {6.2 mph} the shift lever is operated more than five times, the PCM determines that there is a malfunction in the neutral switch circuit.
P1190 Calibration resistor circuit malfunction
• The PCM monitors the input voltage from the calibration resistor. If the PCM detects that the input voltage for any cylinder is more than 4.8 V or less than 0.2 V, the PCM determines calibration resistor malfunction.
P1211 Fuel pressure higher or lower than desired pressure
• The PCM monitors the fuel pressure and calculates the fuel supply volume to the common rail using the fuel pressure sensor input signal while the engine is running. If the fuel pressure or fuel supply volume to the common rail is as follows, the PCM determines that the fuel pressure is higher or lower than the desired pressure.
P1391 Glow plug circuit low input
• The PCM monitors the output signal to the glow relay when the glow relay is on. If the glow relay voltage is 1.0 V or less when the glow relay is operating, The PCM determines that there is a malfunction in the glow relay circuit.
P1392 Glow plug circuit high input
• The PCM monitors the output signal to the glow relay when the glow relay is off. If the glow relay voltage is 4.0 V or more when the glow relay is off, The PCM determines that there is a malfunction in the glow relay circuit.
P1602 Immobilizer unit-PCM communication error
• Command transmission from the PCM to the immobilizer control module exceeds limit.
• No response from immobilizer control module
P1603 Key ID numbers are not registered in PCM
• Key ID numbers are not registered in the PCM.
P1604 Code word is not registered in PCM
• Code word is not registered in the PCM.
P1621 Code word does not match after engine cranking
• The code word stored in the PCM and the immobilizer control module do not match.
P1622 Key ID number does not match
• The ID number stored in the immobilizer control module (IU) and the PCM do not match. This DTC is indicated only after the immobilizer control module is replaced and reprogramming the system.
P1623 Code word or key ID number read/write error in PCM
• PCM internal EEPROM damaged.
P1624 Immobilizer system communication counter = 0
• The PCM detected immobilizer system communication malfunction more than three times.
P2009 Variable swirl control (VSC) solenoid valve circuit high input
• The PCM monitors the output signal to the variable swirl control solenoid valve. If the voltage of the variable swirl control solenoid valve is more than 7.8 V when the variable swirl control solenoid valve is on, the PCM determines that there is a malfunction in the variable swirl control solenoid valve control system.
P2010 Variable swirl control (VSC) solenoid valve circuit low input
• The PCM monitors the output signal to the variable swirl control solenoid valve. If the voltage of the variable swirl control solenoid valve is less than 7.8 V when the variable swirl control solenoid valve is off, the PCM determines that there is a malfunction in the variable swirl control solenoid valve control system.
P2135 Accelerator pedal position (APP) sensor No.1/No.2 voltage correlation
• The PCM monitors the input signals from accelerator pedal position sensor No.1 and accelerator pedal position sensor No.2. If the difference between accelerator pedal position sensor No.1 and accelerator pedal position sensor No.2 is more than 0.9 V, the PCM determines that there is a malfunction in the accelerator pedal position sensor characteristic.
P2136 Accelerator pedal position (APP) sensor No.1/idle switch correlation
• The PCM monitors the input signal from accelerator pedal position sensor No.1. If the voltage from accelerator pedal position sensor No.1 is more than 1.25 V during idle, the PCM determines that there is a malfunction in the accelerator pedal position sensor No.1 characteristic.
P2141 EGR solenoid valve (vent) circuit low input
• The PCM monitors the output signal to the EGR solenoid valve (vent). If the EGR solenoid valve (vent) voltage is low even if the EGR solenoid valve (vent) is off, the PCM determines that there is a malfunction in the intake shutter solenoid valve control system.
P2142 EGR solenoid valve (vent) circuit high input
• The PCM monitors the output signal to the EGR solenoid valve (vent). If the EGR solenoid valve (vent) voltage is high even if the EGR solenoid valve (vent) is on, the PCM determines that there is a malfunction in the EGR solenoid valve (vent) control system.
P2144 EGR control solenoid valve circuit low input
• The PCM monitors the output signal to the EGR control solenoid valve. If the EGR control solenoid valve voltage is low even if the EGR control solenoid valve is off, the PCM determines that there is a malfunction in the EGR control solenoid valve control circuit.
P2145 EGR control solenoid valve circuit high input
• The PCM monitors the output signal to the EGR control solenoid valve. If the EGR control solenoid valve voltage is high even if the EGR control solenoid valve is on, the PCM determines that there is a malfunction in the EGR control solenoid valve control circuit.
P2146 Fuel injector No.1/No.4 circuit malfunction
• The PCM monitors each cylinder injection confirmation signal from the IDM while the engine is running. If the PCM does not receive the injection confirmation signal for No.1 and No.4 cylinder normally, the PCM determines that the fuel injector No.1 and No.4 operation is not verified.
P2149 Fuel injector No.2/No.3 circuit malfunction
• The PCM monitors each cylinder's injection confirmation signal from the IDM while the engine is running. If the PCM does not receive the injection confirmation signal for No.2 and No.3 cylinder normally, the PCM determines that the fuel injector No.2 and No.3 operation is not verified.
P2227 BARO sensor range/performance problem
• The PCM monitors the input signal from the barometric pressure sensor. If the difference between the barometric pressure input from the barometric pressure sensor and the manifold absolute pressure is more than 75 mmHg, the PCM determines that there is a malfunction in the barometric pressure sensor.
P2228 BARO sensor circuit low input
• The PCM monitors the input signal from the barometric pressure sensor. If the voltage from the barometric pressure sensor is less than 0.4 V, the PCM determines that there is a malfunction in the barometric pressure sensor signal system.
P2229 BARO sensor circuit high input
• The PCM monitors the input signal from the barometric pressure sensor. If the voltage from the barometric pressure sensor is more than 0.4 V, the PCM determines that there is a malfunction in the barometric pressure sensor signal system.
U0073 CAN BUS OFF
• CAN controller is damaged.
U0121 Lost communication with ABS (ABS/TCS) HU/CM
• PCM cannot receive any signals from ABS (ABS/TCS) HU/CM.
U0166 Lost communication with auxiliary heater control module
• PCM cannot receive any signals from auxilliary heater control module.