ISUZU Truck Fault Codes DTC

Isuzu NPR & NQR (Elf) Truck Fault Codes DTC - Flashing codes - Type of DTC - Description of DTC - Engine, Euro 4 compliant - except engines compliant with Euro 4

 

P0016 16 A A Inconsistency in the reading of crankshaft and camshaft position sensors

P0045 33 A - Malfunction in a chain of the solenoid valve of regulation of pressure of pressurization

P0079 38 A - Low signal level in the solenoid valve control circuit of the exhaust flap

P0080 38 A - High signal level in the solenoid valve control circuit of the exhaust flap

P0087 225 A A Low pressure in the fuel rail / fuel supply system

P0088 118 D A High pressure in the fuel rail / fuel supply system (first stage)

P0088 118 A A High pressure in the fuel rail / fuel supply system (second stage)

P0089 151 A A Malfunction of the fuel pressure regulator

P0091 247 A A Low signal in the fuel pressure regulator circuit

P0092 247 A A High signal in the fuel pressure regulator circuit

P0093 227 A A Leak in the fuel supply system

P0101 92 B - Invalid signal or malfunction in the mass air flow sensor circuit

P0102 91 A - Low signal at the input of the mass air flow sensor

P0103 91 A - High level signal at the input of the mass air flow sensor

P0107 32 A A Low signal at the input of the absolute pressure sensor located in the intake manifold

P0108 32 A A High signal at the input of the absolute pressure sensor located in the intake manifold

P0112 22 A A Low signal in the intake air temperature sensor circuit

P0113 22 A A High signal in the intake air temperature sensor circuit

P0116 23 B - Incorrect signal or malfunction in the temperature sensor circuit liquids

P0117 23 A A Low signal in the coolant temperature sensor circuit

P0118 23 A A High signal in the coolant temperature sensor circuit

P0122 43 A - Low signal in the throttle position sensor circuit

P0123 43 A - High signal in the throttle position sensor circuit

P0182 211 A A Low signal in the fuel temperature sensor circuit

P0183 211 A A High signal in the fuel temperature sensor circuit

P0192 245 A A Low signal in the fuel pressure sensor circuit

P0193 245 A A High signal in the fuel pressure sensor circuit

P0201 271 A A Open in the injector circuit of the first cylinder

P0202 272 A A Open in the injector circuit of the second cylinder

P0203 273 A A Open in the injector circuit of the third cylinder

P0204 274 A A Open in the injector circuit of the fourth cylinder

P0217 542 D D Excessive coolant temperature

P0219 543 D A Overspeed

P0234 42 A A boost pressure

P0299 65 B A Insufficient boost pressure

P0335 15 A A Malfunction in a chain of the gauge of position of a cranked shaft

P0336 15 A A Incorrect signal or malfunction in a chain of the gauge of position of a cranked shaft

P0340 14 A A Malfunction in a chain of the camshaft sensor

P0341 14 A A Invalid signal or malfunction in the camshaft position sensor circuit

P0380 66 C A Malfunction in a chain of glow plugs

P0381 67 C A Malfunction in a chain of a control lamp of system of prestarting heating

P0401 93 A - Not enough recirculated gas

P0404 45 A A Incorrect signal or malfunction in the EGR control circuit

P0409 44 A A Malfunction in a chain of the gauge of position of the valve EGR

P0426 143 C - Wrong signal or malfunction in the exhaust gas temperature sensor sensor circuit # 1

P0427 48 A - Low signal in the exhaust gas temperature sensor sensor circuit # 1

P0428 48 A - High signal in the exhaust gas temperature sensor sensor circuit # 1

P042B 145 C - Incorrect signal or malfunction in the exhaust gas temperature sensor sensor circuit 2

P042C 49 C - Low signal in the exhaust gas temperature sensor sensor circuit 2

P042D 49 C - High signal in the exhaust gas temperature sensor sensor circuit 2

P0477 46 - A Low signal in the exhaust flap control circuit

P0478 46 - A High signal in the exhaust gas pressure control valve circuit

P0500 25 B A Speed sensor malfunction

P0502 25 A A Low level input of the speed sensor

P0503 25 A A High signal at the input of the vehicle speed sensor

P0560 155 A - Incorrect voltage in the electrical system

P0563 35 C A High voltage on-board

P0601 53 A A Checksum error of the internal RAM of the control unit

P0602 154 C A Control unit programming error

P0604 153 A A Error in the internal RAM of the control unit

P0606 51 A A ECM processor failure

P060B 36 A A Malfunction in a circuit of the internal analog-to-digital converter of the block management

P0633 176 C A Immobilizer not programmed

P0638 61 B A Invalid signal or malfunction in the control circuit of the throttle actuator flaps

P0641 55 A A Malfunction in the reference voltage circuit of sensor No. 1

P0650 77 A D Malfunction in a control circuit of a control lamp "Check engine"

P0651 56 A A Malfunction in the reference voltage circuit of sensor No. 2

P0685 416 C A Open in the control circuit of the power relay ECM

P0687 416 C A High signal in the ECM power relay control circuit

P0697 57 A A Malfunction in the reference voltage circuit of sensor No. 3

P1093 227 A A Insufficient fuel pressure

P1261 34 A A Positive voltage of the injector control circuits of group No. 1

P1262 34 A A Positive voltage of the injector control circuits of group No. 2

P1404 45 A - Incorrect EGR valve position (closed position error)

P1404 45 A A EGR valve position incorrect (stored position error)

P1455 132 A - Excessive particulate matter in the particulate filter

P1471 149 A - Insufficient particulate filter regeneration

P161B 179 C A Invalid immobilizer response

P1621 54 A A ROM fault in the control unit

P1664 76 C - Service Indicator Control Circuit

P1669 75 C - Diesel particulate filter warning lamp control circuit

P2122 121 B A Low signal at the input of the accelerator pedal position sensor No. 1

P2123 121 B A High signal at the input of the accelerator pedal position sensor No. 1

P2127 122 B A Low signal at input of accelerator pedal position sensor No. 2

P2128 122 B A High signal at input of accelerator pedal position sensor No. 2

P2138 124 B A Mismatch between accelerator pedal position sensors No. 1 and No. 2

P2146 158 A A Voltage supply circuit for injectors of group No. 1

P2149 159 A A Voltage supply circuit for injectors of group No. 2

P2227 71 B - Incorrect signal or malfunction in the atmospheric pressure sensor circuit

P2228 71 A A Low signal in the atmospheric pressure sensor circuit

P2229 71 A A High signal in the atmospheric pressure sensor circuit

P242F 131 A - Particle filter clogging

P2452 142 A - Fault in the differential pressure gauge circuit

P2453 141 A - Incorrect signal or malfunction in the differential pressure gauge circuit

P2454 47 A - Low signal in the differential pressure gauge circuit

P2455 47 A - High signal in the differential pressure gauge circuit

P2456 47 A - Incorrect initialization of differential pressure gauge

P2458 139 A - Excessive regeneration of differential pressure gauge

P253A 28 C A Malfunction in a chain of the sensor of the mechanism of selection of power

P256A 31 C A Malfunction in a chain of the regulator of turns of idling

U0073 84 B A Shutdown of control unit data bus

U0101 85 C A Open connection to gearbox control unit (TCM)

U0110 87 A A Open connection to variable geometry turbocharger control unit (VNT)

U0167 177 C A Open connection to immobilizer control unit