| DTC code | Diagnosis Monitor code | Possible cause of malfunction |
|---|---|---|
| B2799 | 9 | Abnormal immobilizer communication |
| B279A | 9 | Abnormal immobilizer communication [fixed at Hi] |
| B279C | 9 | Installation of engine ECU incompatible with engine immobilizer system |
| P0045 | 35 | Malfunction of VNT actuator |
| P0049 | 34 | Turbocharger overrun |
| P0087 | 76 | Abnormal control of common rail pressure [continuation of low pressure] |
| P0088 | 69 | Abnormality in common rail pressure - control system [continuation of high pressure] |
| P0096 | 18 | Abnormality of intake manifold gas temperature sensor characteristic |
| P0097 | 18 | Malfunction of intake manifold temperature sensor [Lo] |
| P0098 | 18 | Malfunction of intake manifold temperature sensor [Hi] |
| P0101 | 17 | Air flow sensor rationarity |
| P0102 | 17 | Malfunction of air flow sensor system [Lo] |
| P0103 | 17 | Malfunction of air flow sensor system [Hi] |
| P0106 | 17 | Abnormality of boost pressure sensor characteristic |
| P0108 | 25 | Malfunction of boost pressure sensor [Hi] |
| P0112 | 17 | Malfunction of intake air temperature sensor [Lo] |
| P0113 | 17 | Malfunction of intake air temperature sensor [Hi] |
| P0116 | 11 | Abnormality of coolant temperature sensor characteristic |
| P0117 | 11 | Malfunction of coolant temperature sensor [Lo] |
| P0118 | 11 | Malfunction of coolant temperature sensor [Hi] |
| P0122 | 32 | Malfunction of diesel throttle position sensor [Lo] |
| P0123 | 32 | Malfunction of diesel throttle position sensor [Hi] |
| P0187 | 14 | Malfunction of fuel temperature sensor [Lo] |
| P0188 | 14 | Malfunction of fuel temperature sensor [Hi] |
| P0191 | 74 | Stuck common rail pressure sensor |
| P0192 | 74 | Malfunction of common rail pressure sensor [Lo] |
| P0193 | 74 | Malfunction of common rail pressure sensor [Hi] |
| P0201 | 61 | Disconnection of solenoid valve system for injector 1 |
| P0202 | 62 | Disconnection of solenoid valve system for injector 2 |
| P0203 | 63 | Disconnection of solenoid valve system for injector 3 |
| P0204 | 64 | Disconnection of solenoid valve system for injector 4 |
| P0205 | 65 | Disconnection of solenoid valve system for injector 5 |
| P0206 | 66 | Disconnection of solenoid valve system for injector 6 |
| P0217 | 6 | Overheat |
| P0219 | 7 | Engine overrun |
| P0234 | 34 | Turbocharger overboost |
| P0237 | 25 | Malfunction of boost pressure sensor [Lo] |
| P0263 | 61 | Intercylinder compensation error #1 |
| P0266 | 62 | Intercylinder compensation error #2 |
| P0269 | 63 | Intercylinder compensation error #3 |
| P0272 | 64 | Intercylinder compensation error #4 |
| P0275 | 65 | Intercylinder compensation error #5 |
| P0278 | 66 | Intercylinder compensation error #6 |
| P0335 | 13 | Malfunction of engine main revolution sensor/malfunctions of both revolution sensors |
| P0336 | 13 | Abnormality in engine main revolution sensor pulse number |
| P0340 | 12 | Malfunction of engine sub revolution sensor |
| P0341 | 12 | Abnormality in engine sub revolution sensor pulse number |
| P0400 | 85 | Abnormal flow amount of EGR cooler |
| P0500 | 21 | Malfunction of vehicle speed sensor [Lo] |
| P0501 | 21 | Malfunction of vehicle speed sensor [Hi] |
| P0504 | 43 | Malfunction of brake switch |
| P0510 | 42 | Malfunction of idle switch |
| P0524 | 4 | Drop in oil pressure |
| P0540 | 53 | Malfunction of preheating system |
| P0545 | 27 | Malfunction of exhaust temperature sensor [Lo] (1st from upstream) located under ATC |
| P0546 | 27 | Malfunction of exhaust temperature sensor [Hi] (1st from upstream) located under ATC |
| P0606 | 3 | ECU internal malfunction [hardware detection] |
| P0607 | 3 | ECU internal malfunction [malfunction of monitor IC] |
| P0610 | 2 | Vehicle information reception failure |
| P0617 | 45 | Malfunction of starter key |
| P0628 | 72 | Malfunction of supply pump solenoid valve [open/GND short-circuit] |
| P0629 | 72 | Malfunction of supply pump solenoid valve [+B short-circuit] |
| P0642 | 5 | Failure in sensor power supply |
| P0686 | 51 | Malfunction of main relay |
| P06D3 | 5 | Air flow sensor power supply [GND short-circuit] |
| P06D4 | 5 | Air flow sensor power supply [+B short-circuit] |
| P081A | 52 | Malfunction of starter block relay [GND short-circuit] |
| P081B | 52 | Malfunction of starter block relay [+B short-circuit/open] |
| P0850 | 47 | Malfunction of neutral switch |
| P1133 | 23 | Malfunction of operational accelerator sensor [Hi] |
| P1211 | 68 | Malfunction of injector solenoid valve drive system common 1 [GND short-circuit] |
| P1212 | 68 | Malfunction of injector solenoid valve drive system common 1 [+B short-circuit/open] |
| P1214 | 68 | Malfunction of injector solenoid valve drive system common 2 [GND short-circuit] |
| P1215 | 68 | Malfunction of injector solenoid valve drive system common 2 [+B short-circuit/open] |
| P1416 | 85 | EGR cooler overheat |
| P1417 | 19 | Malfunction of EGR cooler temperature sensor [Lo] |
| P1418 | 19 | Malfunction of EGR cooler temperature sensor [Hi] |
| P1426 | 28 | Abnormality in characteristics of the DPR differential pressure sensor |
| P1427 | 28 | Malfunction of differential pressure sensor [Lo] |
| P1428 | 28 | Malfunction of differential pressure sensor [Hi] |
| P1458 | 81 | Malfunction of EGR actuator [severe malfunction] |
| P1459 | 81 | Malfunction of EGR actuator [minor malfunction] |
| P1462 | 55 | Malfunction of engine retarder 1 [open/GND short-circuit] |
| P1463 | 55 | Malfunction of engine retarder 1 [+B short-circuit] |
| P1467 | 55 | Malfunction of engine retarder 2 [open/GND short-circuit] |
| P1468 | 55 | Malfunction of engine retarder 2 [+B short-circuit] |
| P1530 | 46 | Malfunction of engine stop switch closing |
| P1601 | 2 | Abnormality in injector multipoint compensation [unwritten] |
| P1681 | 57 | Malfunction of exhaust control valve/solenoid valve system [disconnection/GND short-circuit] |
| P1682 | 57 | Malfunction of exhaust control valve/solenoid valve system [+B short-circuit] |
| P200C | 91 | DPR failure |
| P2032 | 27 | Malfunction of exhaust temperature sensor [Lo] (2nd from upstream) located before DPF |
| P2033 | 27 | Malfunction of exhaust temperature sensor [Hi] (2nd from upstream) located before DPF |
| P2100 | 31 | Disconnection in diesel throttle DC motor |
| P2101 | 31 | Abnormal characteristics of diesel throttle valve |
| P2103 | 31 | Short-circuit in diesel throttle DC motor |
| P2120 | 22 | Malfunctions of both accelerator sensors |
| P2121 | 22 | Abnormality in voltage of accelerator sensor 1 |
| P2122 | 22 | Malfunction of accelerator sensor 1 [Lo] |
| P2123 | 22 | Malfunction of accelerator sensor 1 [Hi] |
| P2126 | 22 | Abnormality in voltage of accelerator sensor 2 |
| P2127 | 22 | Malfunction of accelerator sensor 2 [Lo] |
| P2128 | 22 | Malfunction of accelerator sensor 2 [Hi] |
| P2227 | 15 | Abnormality in characteristics of atmospheric pressure sensor |
| P2228 | 15 | Malfunction of atmospheric pressure sensor [Lo] |
| P2229 | 15 | Malfunction of atmospheric pressure sensor [Hi] |
| P2269 | 75 | Water-in-fuel alarm |
| P2428 | 91 | Exhaust pipe (ATC) |
| P242C | 27 | Malfunction of exhaust temperature sensor [Lo] (3rd from upstream) located after DPF |
| P242D | 27 | Malfunction of exhaust temperature sensor [Hi] (3rd from upstream) located after DPF |
| P244B | 92 | Excessive DPR differential pressure |
| P244F | 91 | DPR differential pressure drop |
| P2458 | 93 | DPR forced regeneration |
| P2463 | 92 | Faulty operation of DPR switch |
| U0073 | 8 | Malfunction of CAN communication [engine] |
| U1001 | 9 | Malfunction of CAN communication [vehicle] |
| U110A | 9 | Communication blackout [vehicle control ECU] |
| U1122 | 8 | Communication blackout [EGR actuator] |
| U1123 | 8 | Communication blackout [VNT actuator] |