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ISUZU DTC – PROTOCOLO P

P0087Fuel rail pressure is too low (Fuel leak)Fuel rail pressure is too low / possible fuel leak.
P0088Common rail pressure (1st stage)Common Rail pressure — 1st stage.
P0088Common rail pressure (2nd stage)Common Rail pressure — 2nd stage.
P0089Common rail pressure (excessive pressure for pump)Excessive rail pressure for the fuel pump.
P0090Fuel pressure regulator control circuitFuel pressure regulator control circuit fault.
P0107Air pressure sensor (low voltage)Air pressure sensor — low voltage.
P0108Air pressure sensor (high voltage)Air pressure sensor — high voltage.
P0112Intake air temperature circuit (low voltage)Intake air temperature sensor — low voltage.
P0113Intake air temperature circuit (high voltage)Intake air temperature sensor — high voltage.
P0117Engine coolant temperature circuit (low voltage)Engine coolant temperature sensor — low voltage.
P0118Engine coolant temperature circuit (high voltage)Engine coolant temperature sensor — high voltage.
P0182Fuel temperature sensor circuit (low voltage)Fuel temperature sensor — low voltage.
P0183Fuel temperature sensor circuit (high voltage)Fuel temperature sensor — high voltage.
P0192Fuel rail pressure sensor circuit (low voltage)Fuel rail pressure sensor — low voltage.
P0193Fuel rail pressure sensor circuit (high voltage)Fuel rail pressure sensor — high voltage.
P0201Injector circuit cylinder 1Injector circuit fault — cylinder 1.
P0202Injector circuit cylinder 2Injector circuit fault — cylinder 2.
P0203Injector circuit cylinder 3Injector circuit fault — cylinder 3.
P0204Injector circuit cylinder 4Injector circuit fault — cylinder 4.
P0205Injector circuit cylinder 5Injector circuit fault — cylinder 5.
P0206Injector circuit cylinder 6Injector circuit fault — cylinder 6.
P0219Over runEngine overspeed.
P0237Boost pressure sensor (low voltage)Boost pressure sensor — low voltage.
P0238Boost pressure sensor (high voltage)Boost pressure sensor — high voltage.
P0335Crank sensor (no signal)Crankshaft position sensor — no signal.
P0336Crank sensor (signal error)Crankshaft position sensor — signal error.
P0340Cam sensor (no signal)Camshaft position sensor — no signal.
P0341Cam sensor (signal error)Camshaft position sensor — signal error.
P0380Glow relayGlow plug relay fault.
P0381Glow lampGlow plug indicator fault.
P0487EGR positioning signal errorEGR valve position signal error.
P0488EGR valve control failureEGR valve control malfunction.
P0522Engine oil pressure sensor (low voltage)Engine oil pressure sensor — low voltage.
P0523Engine oil pressure sensor (high voltage)Engine oil pressure sensor — high voltage.
P0601ROM errorROM memory error.
P0603EEPROM errorEEPROM memory error.
P0606CPU failureECU processor failure.
P1093Fuel rail pressure low during power enrichmentLow fuel rail pressure under load.
P1095Pressure limiter openPressure limiter open.
P1112Boost temperature sensor (low voltage)Boost temperature sensor — low voltage.
P1113Boost temperature sensor (high voltage)Boost temperature sensor — high voltage.
P1173Over heatEngine overheating.
P1261Injector circuit group 1Injector group 1 circuit malfunction.
P1262Injector circuit group 2Injector group 2 circuit malfunction.
P1271Accel sensor 1-2 correlationAccelerator pedal sensors 1–2 correlation error.
P1272Accel sensor 2-3 correlationAccelerator pedal sensors 2–3 correlation error.
P1273Accel sensor 1-3 correlationAccelerator pedal sensors 1–3 correlation error.
P1277Accel sensor 1 low inputAccelerator pedal sensor 1 — low input.
P1278Accel sensor 1 high inputAccelerator pedal sensor 1 — high input.
P1282Accel sensor 2 low inputAccelerator pedal sensor 2 — low input.
P1283Accel sensor 2 high inputAccelerator pedal sensor 2 — high input.
P1287Accel sensor 3 low inputAccelerator pedal sensor 3 — low input.
P1288Accel sensor 3 high inputAccelerator pedal sensor 3 — high input.
P1345Cam & Crank phase differenceCamshaft and crankshaft phase mismatch.
P1625Main relay circuitMain relay circuit fault.
P1630A/D conversion errorAnalog-to-digital conversion error.
P16315V reference 1 circuit5 V reference circuit No. 1.
P16325V reference 2 circuit5 V reference circuit No. 2.
P16335V reference 3 circuit5 V reference circuit No. 3.
P16345V reference 4 circuit5 V reference circuit No. 4.
P16355V reference 5 circuit5 V reference circuit No. 5.
P1106Manifold absolute pressure (MAP) sensorcircuit/intermittent voltage high
P1107Manifold absolute pressure (MAP) sensorcircuit/intermittent voltage low
P1111Intake air temperature (IAT) sensorcircuit/intermittent voltage high
P1112Intake air temperature (IAT) sensorcircuit/intermittent voltage low
P1114Engine coolant temperature (ECT) sensorcircuit/intermittent voltage low
P1115Engine coolant temperature (ECT) sensorcircuit/intermittent voltage high
P1120Throttle motor position sensor 1circuit malfunction
P1121Throttle position (TP) sensorcircuit/intermittent voltage high
P1122Throttle position (TP) sensorcircuit/intermittent voltage low
P1125Accelerator pedal position (APP) sensor 1/2/3signal malfunction
P1133Oxygen sensor (028)/heated oxygen sensor (HO2S) 1/ bank 1insufficient switching
P1134Heated oxygen sensor (HO2S) 1/ bank 1slow response
P1137Heated oxygen sensor (H02s) 1/2voltage incorrect
P1138Heated oxygen sensor (HO2S) 2voltage high
P1153Heated oxygen sensor (H02s) 1/ bank 2insufficient switching
P1154Heated oxygen sensor (HO2S) 1/ bank 2slow response
P1167Fuel trim/ bank 1mixture too rich during deceleration
P1169Fuel trim/ bank 2mixture too rich during deceleration
P1171Fuel trimmixture too lean during acceleration
P1220Throttle motor position sensor 2circuit malfunction
P1221Throttle motor position sensor 1/2signal variation
P1258Engine coolantexcessive temperature
P1271Accelerator pedal position (APP) sensor 1/2signal variation
P1272Accelerator pedal position (APP) sensor 2/3signal variation
P1273Accelerator pedal position (APP) sensor 1/3signal variation
P1275Accelerator pedal position (APP) sensor 1circuit malfunction
P1280Accelerator pedal position (APP) sensor 2circuit malfunction
P1285Accelerator pedal position (APP) sensor 3circuit malfunction
P1290Throttle position (TP) motorforced idle mode
P1295Throttle position (TP) motorpower management mode
P1299Throttle position (TP) motorforced engine shut down mode
P1310Ignition control module (1CM)diagnosis
P1311Ignition control module (1CM)ignition coil secondary coil signal/ circuit 1
P1312Ignition control module (1CM)ignition coil secondary coil signal/ circuit 2
P1326Ignition control module (1CM)combustion quality input signal
P1336Crankshaft position (CKP) sensorsignal variation
P1340Ignition control module (1CM)cylinder identification syncronization
P1345CKP/CMP signalssignal malfunction
P1351Ignition control module (1CM)signal voltage high
P1361Ignition control module (1CM)signal not switching
P1380ECM to ABS communicationunusable signal
P1381[CM to ABS communicationmisfire detected
P1390C-sensorintermittent voltage low
P1391C-sensorperformance
P1392C-sensorvoltage low
P1393C-sensorvoltage high
P1394C-sensorintermittent voltage high
P1404Exhaust gas Recirculation ([CR) solenoidvalve closed
P1406Exhaust gas Recirculation (EGR) systemcircuit problem
P1415Secondary air injection (AIR) system/ bank 1 
P1416Secondary air injection (AIR) system/ bank 2 
P1441Evaporative emission (EVAP) canister purge systemleak detected
P1442Evaporative emission ([VAR) canister purge switchvoltage high
P1459Evaporative emission (EVAP) canister purge systemincorrect flow
P1481Engine coolant blower motor speedmalfunction
P1482Engine coolant blower motor clutchincorrect voltage
P1484Engine coolant blower motor relayspeed signal variation
P1508Idle air control (lAC) systemlow RPM
P1509Idle air control (IAC) systemhigh RPM
P1512Throttle control unitsignal variation
P1514Throttle position (TP) sensor/mass air flow(MAF) sensorsignal variation
P1515Throttle command/actual throttle positionsignal variation
P1516Throttle position motorposition performance
P1518Throttle control module/engine control module(ECM)communication malfunction
P1520Park/neutral position (PNP) switchcircuit malfunction
P1523Throttle position motorclosed position performance
P1546A/C compressor clutch relaycircuit malfunction
P1571Traction control system (TCS)/ torque request signalmalfunction
P1574Brake pedal position (BPP) switchcircuit malfunction
P1600Serial communicationmalfunction
P1601Serial communicationmalfunction
P1602ECM to ABS communicationcircuit malfunction
P1618Engine control module (ECM)internal fault
P1621Engine control module (ECM)internal memory performance
P1625Engine control module (ECM)unexpected reset
P1626IMMOBILIZER systemECM to body control module communication malfunction
P1627Engine control module (ECM)analogue/digital converter
P1630Engine control module (ECM)/IMMOBILIZER codelearning mode
P1631IMMOBILIZER systempassword/code incorrect
P1632IMMOBILIZER systemfueling disabled
P1633Engine control module (ECM)/ignition supply voltage 
P1635Sensor supply voltagecircuit A malfunction
P1636Engine control module (ECM)RAM stack
P1637Alternator ‘L’ terminalcircuit malfunction
P1638Alternator field circuitsignal out of range
P1639Sensor supply voltagecircuit B malfunction
P1640Engine control module/ output driver 1supply voltage high
P1646Sensor supply voltagecircuit C malfunction
P1650Engine control module quad driver/output driver 
P1680Engine control module (ECM)malfunction
P1681Engine control module (ECM)malfunction
P1682Throttle control module/engine control module(ECM)ignition power supply variation
P1683Engine control module (ECM)malfunction
P1689Traction control system (TCS)/ delivered torque signalmalfunction
P1790Engine control module (ECM)AT ROM check sum error
P1792ATAT EEPROM checksum error
P1810ATmanual valve position pressure switch malfunction
P1835ATkick-down switch
P1860ATtorque converter clutch (TCC)solenoid circuit
P1870ATcomponent slipping
P1875ATcomponent slipping

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