Diagnostic trouble codes list for Isuzu engine 4HK1
See also:
Isuzu 4HK1 diesel engine
| Dtc | Flashing
Codes |
DTC type | DTC description | |
| Engine complying with Euro 4 standards | except engines compliant with Euro 4 standards | |||
| p0016 | 16 | A | A | Discrepancy of the readings of the position sensors of the crankshaft and distribution shafts |
| p0045 | 33 | A | — | Malfunction in the circuit of the electromagnetic pressure control valve over theDuva |
| p0079 | 38 | A | — | Low signal level in the circuit of the solenoid control valve of the exhaust path |
| p0080 | 38 | A | — | High signal level in the circuit of the solenoid control valve of the exhaust path |
| p0087 | 225 | A | A | Low pressure in Fuel distribution Highway/fuel Supply system |
| p0088 | 118 | D | A | High pressure in Fuel distribution Highway/top Feed SystemLiwa (first Stage) |
| p0088 | 118 | A | A | High pressure in Fuel distribution Highway/top Feed SystemLiwa (second Stage) |
| p0089 | 151 | A | A | Fuel pressure regulator malfunction |
| p0091 | 247 | A | A | Low signal level in the fuel pressure regulator circuit |
| p0092 | 247 | A | A | High signal level in the fuel pressure regulator circuit |
| p0093 | 227 | A | A | Leakage in the fuel supply system |
| P0101 | 92 | B | – | Incorrect signal or malfunction in the circuit of the mass air flow sensor |
| p0102 | 91 | A | – | Low signal level at the input of the mass air flow sensor |
| p0103 | 91 | A | – | High signal level at the input of the mass air flow sensor |
| p0107 | 32 | A | A | Low signal level at the inlet of the absolute pressure sensor located in the inlet manifold |
| p0108 | 32 | A | A | High signal level at the inlet of the absolute pressure sensor located in the inlet manifold |
| p0112 | 22 | A | A | Low signal level in the inlet air temperature sensor chain |
| p0113 | 22 | A | A | High signal level in the inlet air temperature sensor chain |
| p0116 | 23 | B | – | Incorrect signal or malfunction in the coolant temperature sensor circuit |
| p0117 | 23 | A | A | Low signal level in the circuit of the coolant temperature sensor |
| p0118 | 23 | A | A | High signal level in the circuit of the coolant temperature sensor |
| p0122 | 43 | A | – | Low signal level in the throttle position sensor chain |
| P0123 | 43 | A | – | High signal level in the throttle position sensor chain |
| p0182 | 211 | A | A | Low signal level in the fuel temperature sensor circuit |
| p0183 | 211 | A | A | High signal level in the fuel temperature sensor circuit |
| p0192 | 245 | A | A | Low signal level in the fuel pressure sensor circuit |
| p0193 | 245 | A | A | High signal level in the fuel pressure sensor circuit |
| p0201 | 271 | A | A | Breakage in the chain of the first cylinder nozzle |
| p0202 | 272 | A | A | Breakage in the chain of the nozzle of the second cylinder |
| p0203 | 273 | A | A | Breakage in the chain of the nozzle of the third cylinder |
| p0204 | 274 | A | A | Breakage in the chain of the nozzle of the fourth cylinder |
| p0217 | 542 | D | D | Coolant temperature exceeding |
| p0219 | 543 | D | A | Exceeding the speed of the engine crankshaft |
| p0234 | 42 | A | A | Excess pressurization |
| p0299 | 65 | B | A | Insufficient pressurization pressure |
| p0335 | 15 | A | A | Malfunction in the sensor chain of the crankshaft position |
| p0336 | 15 | A | A | Incorrect signal or malfunction in the crankshaft position sensor chain |
| p0340 | 14 | A | A | Malfunction in the sensor circuit of the distribution shaft position |
| p0341 | 14 | A | A | Incorrect signal or malfunction in the sensor circuit of the distributor positionShaft |
| p0380 | 66 | C | A | Malfunction in the chain of incandescent candles |
| p0381 | 67 | C | A | malfunction in the control lamp circuit of the pre-heating system |
| p0401 | 93 | A | — | Insufficient quantity Recycled Gases |
| p0404 | 45 | A | A | Incorrect signal or malfunction in the control circuit of the EGR system |
| p0409 | 44 | A | A | Malfunction in the EGR valve position sensor circuit |
| p0426 | 143 | C | — | Incorrect signal or malfunction in the circuit of the sensor № 1 temperature having workedGases |
| p0427 | 48 | A | — | Low signal level in № sensor chain 1 of exhaust gas temperature |
| p0428 | 48 | A | — | High signal level in the № sensor chain 1 of the exhaust gas temperature |
| p042b | 145 | C | — | Incorrect signal or malfunction in the sensor circuit № 2 temperatures having workedGases |
| p042c | 49 | C | — | Low signal level in № sensor chain 2 exhaust gas temperatures |
| p042d | 49 | C | — | High signal level in № sensor chain 2 exhaust gas temperatures |
| p0477 | 46 | – | A | Low signal level in the control circuit of the exhaust tract damper |
| p0478 | 46 | — | A | High signal level in the pressure control valve circuit of the businesses releaseTavshih gases |
| p0500 | 25 | B | A | Malfunction of the speed sensor |
| p0502 | 25 | A | A | Low speed sensor input level |
| p0503 | 25 | A | A | High signal level at the input of the vehicle speed sensor |
| p0560 | 155 | A | — | Incorrect voltage in the on-board network |
| p0563 | 35 | C | A | High voltage in the on-board network |
| p0601 | 53 | A | A | Control unit internal RAM checksum error |
| p0602 | 154 | C | A | Control Unit Programming Error |
| p0604 | 153 | A | A | Control unit Internal RAM error |
| p0606 | 51 | A | A | ECM processor malfunction |
| p060b | 36 | A | A | Malfunction in the circuit of the internal analog-digital converter of the control unit |
| p0633 | 176 | C | A | Immobilizer not programmed |
| p0638 | 61 | B | A | Incorrect signal or malfunction in control circuit of throttle actuator |
| p0641 | 55 | A | A | Malfunction in the circuit of the reference voltage of the sensor № 1 |
| p0650 | 77 | A | D | Malfunction in control circuit of control lamp “check engine” |
| p0651 | 56 | A | A | Malfunction in the circuit of the reference voltage of the sensor № 2 |
| p0219 | 543 | D | A | Exceeding the speed of the engine crankshaft |
| p0234 | 42 | A | A | Excess pressurization |
| p0299 | 65 | B | A | Insufficient pressurization pressure |
| p0335 | 15 | A | A | Malfunction in the sensor chain of the crankshaft position |
| p0336 | 15 | A | A | Incorrect signal or malfunction in the crankshaft position sensor chain |
| p0340 | 14 | A | A | Malfunction in the sensor circuit of the distribution shaft position |
| p0341 | 14 | A | A | Incorrect signal or malfunction in the sensor circuit of the distributor positionShaft |
| p0380 | 66 | C | A | Malfunction in the chain of incandescent candles |
| p0381 | 67 | C | A | malfunction in the control lamp circuit of the pre-heating system |
| p0401 | 93 | A | — | Insufficient quantity Recycled Gases |
| p0404 | 45 | A | A | Incorrect signal or malfunction in the control circuit of the EGR system |
| p0409 | 44 | A | A | Malfunction in the EGR valve position sensor circuit |
| p0426 | 143 | C | — | Incorrect signal or malfunction in the circuit of the sensor № 1 temperature having workedGases |
| p0427 | 48 | A | — | Low signal level in № sensor chain 1 of exhaust gas temperature |
| p0428 | 48 | A | — | High signal level in the № sensor chain 1 of the exhaust gas temperature |
| p042b | 145 | C | — | Incorrect signal or malfunction in the sensor circuit № 2 temperatures having worked Gases |
| p042c | 49 | C | — | Low signal level in № sensor chain 2 exhaust gas temperatures |
| p042d | 49 | C | — | High signal level in № sensor chain 2 exhaust gas temperatures |
| p0477 | 46 | – | A | Low signal level in the control circuit of the exhaust tract damper |
| p0478 | 46 | — | A | High signal level in the pressure control valve circuit of the businesses released gases |
| p0500 | 25 | B | A | Malfunction of the speed sensor |
| p0502 | 25 | A | A | Low speed sensor input level |
| p0503 | 25 | A | A | High signal level at the input of the vehicle speed sensor |
| p0560 | 155 | A | — | Incorrect voltage in the on-board network |
| p0563 | 35 | C | A | High voltage in the on-board network |
| p0601 | 53 | A | A | Control unit internal RAM checksum error |
| p0602 | 154 | C | A | Control Unit Programming Error |
| p0604 | 153 | A | A | Control unit Internal RAM error |
| p0606 | 51 | A | A | ECM processor malfunction |
| p060b | 36 | A | A | Malfunction in the circuit of the internal analog-digital converter of the control unit |
| p0633 | 176 | C | A | Immobilizer not programmed |
| p0638 | 61 | B | A | Incorrect signal or malfunction in control circuit of throttle actuator |
| p0641 | 55 | A | A | Malfunction in the circuit of the reference voltage of the sensor № 1 |
| p0650 | 77 | A | D | Malfunction in control circuit of control lamp “check engine” |
| p0651 | 56 | A | A | Malfunction in the circuit of the reference voltage of the sensor № 2 |
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List of fault code (DTC) for Isuzu 4HK1 Diesel Engine
