Cummins DTC Codes

DTC Codes

P0008 ENGINE POSITION SYSTEM PERFORMANCE BANK 1 

P000F FUEL SYSTEM OVER PRESSURE RELIEF VALVE ACTIVATED 

P0016 CRANKSHAFT/CAMSHAFT TIMING MISALIGNMENT – BANK 1 SENSOR 1 

P0030 O2 SENSOR 1/1 HEATER CIRCUIT OPEN 

P0031 O2 SENSOR 1/1 HEATER CIRCUIT LOW 

P0032 O2 SENSOR 1/1 HEATER CIRCUIT HIGH 

P0036 O2 SENSOR 1/2 HEATER CIRCUIT OPEN 

P0037 O2 SENSOR 1/2 HEATER CIRCUIT LOW 

P0038 O2 SENSOR 1/2 HEATER CIRCUIT HIGH 

P003A TURBOCHARGER BOOST CONTROL MODULE POSITION EXCEEDED LEARNING LIMIT 

P0046 TURBOCHARGER BOOST CONTROL CIRCUIT PERFORMANCE

P0049 TURBOCHARGER TURBINE OVERSPEED 

P0053 O2 SENSOR 1/1 HEATER RESISTANCE 

P0054 O2 SENSOR 1/2 HEATER RESISTANCE 

P006E TURBOCHARGER BOOST CONTROL MODULE SUPPLY VOLTAGE CIRCUIT LOW 

P006F TURBOCHARGER BOOST CONTROL SUPPLY VOLTAGE CIRCUIT HIGH 

P0071 AMBIENT AIR TEMPERATURE SENSOR PERFORMANCE 

P0072 AMBIENT AIR TEMPERATURE SENSOR CIRCUIT LOW 

P0073 AMBIENT AIR TEMPERATURE SENSOR CIRCUIT HIGH 

P007B CHARGE AIR COOLER TEMPERATURE SENSOR CIRCUIT PERFORMANCE 

P007C CHARGE AIR COOLER TEMPERATURE SENSOR CIRCUIT LOW 

P007D CHARGE AIR COOLER TEMPERATURE SENSOR CIRCUIT HIGH 

P007E CHARGE AIR COOLER TEMPERATURE SENSOR CIRCUIT INTERMITTENT/ERRATIC 

P0087 FUEL RAIL PRESSURE TOO LOW 

P0088 FUEL RAIL PRESSURE TOO HIGH 

P00AF TURBOCHARGER BOOST CONTROL MODULE PERFORMANCE 

P0101 MASS AIR FLOW SENSOR "A" CIRCUIT PERFORMANCE 

P0102 MASS AIR FLOW SENSOR "A" CIRCUIT LOW 

P0103 MASS AIR FLOW SENSOR "A" CIRCUIT HIGH 

P0103 MASS AIR FLOW SENSOR "A" CIRCUIT HIGH 

P0106 MANIFOLD ABSOLUTE PRESSURE SENSOR PERFORMANCE 

P0107 MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT LOW 

P0108 MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT HIGH 

P0111 INTAKE AIR TEMPERATURE SENSOR 1 PERFORMANCE 

P0112 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT LOW 

P0113 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT HIGH 

P0116 ENGINE COOLANT TEMPERATURE SENSOR PERFORMANCE 

P0117 ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT LOW 

P0118 ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT HIGH 

P0128 THERMOSTAT RATIONALITY 

P0131 O2 SENSOR 1/1 CIRCUIT LOW 

P0135 O2 SENSOR 1/1 HEATER PERFORMANCE 

P0137 O2 SENSOR 1/2 CIRCUIT LOW 

P0138 O2 SENSOR 1/2 CIRCUIT HIGH 

P013A O2 SENSOR 1/2 SLOW RESPONSE – RICH TO LEAN 

P013B O2 SENSOR 1/2 SLOW RESPONSE – LEAN TO RICH 

P0141 O2 SENSOR 1/2 HEATER PERFORMANCE 

P0148 FUEL DELIVERY ERROR 

P014C O2 SENSOR 1/1 SLOW RESPONSE – RICH TO LEAN 

P014D O2 SENSOR 1/1 SLOW RESPONSE – LEAN TO RICH 

P0169 WATER IN FUEL DETECTED FOR TOO LONG 

P0191 FUEL RAIL PRESSURE SENSOR CIRCUIT PERFORMANCE 

P0192 FUEL PRESSURE SENSOR LOW 

P0193 FUEL PRESSURE SENSOR HIGH 

P0201 FUEL INJECTOR 1 CIRCUIT/OPEN 

P0202 FUEL INJECTOR 2 CIRCUIT/OPEN 

P0203 FUEL INJECTOR 3 CIRCUIT/OPEN 

P0204 FUEL INJECTOR 4 CIRCUIT/OPEN 

P0205 FUEL INJECTOR 5 CIRCUIT/OPEN 

P0206 FUEL INJECTOR 6 CIRCUIT/OPEN 

P020A FUEL INJECTOR 1 PERFORMANCE 

P020B FUEL INJECTOR 2 PERFORMANCE 

P020C FUEL INJECTOR 3 PERFORMANCE 

P020D FUEL INJECTOR 4 PERFORMANCE 

P020E FUEL INJECTOR 5 PERFORMANCE 

P020F FUEL INJECTOR 6 PERFORMANCE 

P0216 - Injection Timing Control Circuit Malfunction 

P2016 - Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 1

P0217 COOLANT TEMPERATURE TOO HIGH 

P0218 HIGH TEMPERATURE OPERATION ACTIVATED 

P0219 ENGINE OVERSPEED 

P0251 INJECTION PUMP FUEL VALVE FEEDBACK 

P0253 INJECTION PUMP FUEL CONTROL CIRCUIT LOW 

P0254 INJECTION PUMP FUEL CONTROL CIRCUIT HIGH 

P0255 INJECTION PUMP FUEL CONTROL CIRCUIT PERFORMANCE 

P026A CHARGE AIR COOLER EFFICIENCY BELOW THRESHOLD 

P0299 MANIFOLD PRESSURE SENSOR OUT OF RANGE LOW 

P02E1 DIESEL INTAKE AIR FLOW CONTROL PERFORMANCE 

P02E2 DIESEL INTAKE AIR FLOW CONTROL CIRCUIT LOW 

P02E3 DIESEL INTAKE AIR FLOW CONTROL CIRCUIT HIGH 

P02E7 DIESEL INTAKE AIR FLOW POSITION SENSOR PERFORMANCE 

P02E8 DIESEL INTAKE AIR FLOW POSITION SENSOR CIRCUIT LOW 

P02E9 DIESEL INTAKE AIR FLOW POSITION SENSOR CIRCUIT HIGH 

P0300 MULTIPLE CYLINDER MISFIRE 

P0301 CYLINDER 1 MISFIRE 

P0302 CYLINDER 2 MISFIRE 

P0303 CYLINDER 3 MISFIRE 

P0304 CYLINDER 4 MISFIRE 

P0305 CYLINDER 5 MISFIRE 

P0306 CYLINDER 6 MISFIRE 

P0335 CRANKSHAFT POSITION SENSOR CIRCUIT 

P0336 CRANKSHAFT POSITION SENSOR PERFORMANCE 

P0340 CAMSHAFT POSITION SENSOR CIRCUIT – BANK 1 SENSOR 1 

P0341 CAMSHAFT POSITION SENSOR PERFORMANCE – BANK 1 SENSOR 1 

P0381 WAIT TO START LAMP INOPERATIVE 

P0400 EGR SYSTEM FLOW MALFUNCTION 

P0401 EGR SYSTEM PERFORMANCE 

P0402 EGR FLOW EXCESSIVE DETECTED 

P0403 EGR CONTROL CIRCUIT/OPEN 

P0404 EGR POSITION SENSOR PERFORMANCE 

P0405 EGR POSITION SENSOR CIRCUIT LOW 

P040B EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 1 CIRCUIT PERFORMANCE 

P040C EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 1 CIRCUIT LOW 

P040D EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR 1 CIRCUIT HIGH 

P0420 CATALYST EFFICIENCY BANK 1 

P042E EXHAUST GAS RECIRCULATION CONTROL STUCK OPEN 

P0461 FUEL LEVEL SENSOR 1 PERFORMANCE 

P0462 FUEL LEVEL SENSOR 1 CIRCUIT LOW 

P0463 FUEL LEVEL SENSOR 1 CIRCUIT HIGH 

P046C EGR POSITION SENSOR PERFORMANCE 

P0471 EXHAUST PRESSURE SENSOR 1 PERFORMANCE 

P0472 EXHAUST PRESSURE SENSOR 1 LOW 

P0473 EXHAUST PRESSURE SENSOR 1 HIGH 

P0480 COOLING FAN 1 CONTROL CIRCUIT/OPEN 

P0483 COOLING FAN SPEED 

P0487 EGR AIRFLOW THROTTLE CONTROL CIRCUIT A OPEN 

P0488 EGR AIRFLOW THROTTLE CONTROL CIRCUIT PERFORMANCE 

P0489 EGR CONTROL CIRCUIT LOW 

P049D EGR CONTROL POSITION EXCEEDED LEARNING LIMIT 

P04DB CRANKCASE VENTILATION SYSTEM DISCONNECTED 

P0501 VEHICLE SPEED SENSOR 1 PERFORMANCE 

P0505 ENGINE SPEED AT IDLE – DATA ERRATIC, INTERMITTENT OR INCORRECT 

P0507 IDLE CONTROL SYSTEM RPM – HIGHER THAN EXPECTED 

P0513 INVALID SKIM/WIN KEY 

P0514 BATTERY TEMPERATURE SENSOR PERFORMANCE 

P0516 BATTERY TEMPERATURE SENSOR CIRCUIT LOW 

P0517 BATTERY TEMPERATURE SENSOR CIRCUIT HIGH 

P051B CRANKCASE PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE 

P051C CRANKCASE PRESSURE SENSOR CIRCUIT LOW 

P051D CRANKCASE PRESSURE SENSOR CIRCUIT HIGH 

P0521 ENGINE OIL PRESSURE SENSOR PERFORMANCE 

P0524 ENGINE OIL PRESSURE SENSOR CIRCUIT LOW 

P0532 A/C PRESSURE SENSOR CIRCUIT LOW 

P0533 A/C PRESSURE SENSOR CIRCUIT HIGH 

P0541 INTAKE AIR HEATER CONTROL CIRCUIT 1 LOW 

P0542 INTAKE AIR HEATER CONTROL CIRCUIT 1 HIGH 

P0545 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT LOW – BANK 1 SENSOR 1 

P0546 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT HIGH – BANK 1 SENSOR 1 

P0560 BATTERY SYSTEM VOLTAGE 

P0562 BATTERY VOLTAGE LOW 

P0563 BATTERY VOLTAGE HIGH 

P0571 BRAKE SWITCH 1 PERFORMANCE 

P0572 BRAKE SWITCH 1 STUCK ON 

P0573 BRAKE SWITCH 1 STUCK OFF 

P0580 SPEED CONTROL SWITCH 1 CIRCUIT LOW 

P0581 SPEED CONTROL SWITCH 1 CIRCUIT HIGH 

P0585 SPEED CONTROL SWITCH 1/2 CORRELATION 

P0592 SPEED CONTROL SWITCH 2 CIRCUIT LOW 

P0593 SPEED CONTROL SWITCH 2 CIRCUIT HIGH 

P0601 INTERNAL MEMORY CHECKSUM ERROR / INVALID 

P0602 CONTROL MODULE PROGRAMMING ERROR/NOT PROGRAMMED 

P0604 INTERNAL CONTROL MODULE RAM ERROR 

P0605 INTERNAL CONTROL MODULE ROM 

P0606 INTERNAL CONTROL PROCESSOR 

P0607 ECU INTERNAL PERFORMANCE 

P0613 INTERNAL TCM 

P0615 STARTER CONTROL CIRCUIT/OPEN 

P061A ETC LEVEL 2 TORQUE PERFORMANCE 

P061C ETC LEVEL 2 RPM PERFORMANCE 

P0622 GENERATOR FIELD CONTROL CIRCUIT/OPEN 

P0625 GENERATOR FIELD CONTROL CIRCUIT LOW 

P0626 GENERATOR FIELD CONTROL CIRCUIT HIGH 

P0627 FUEL PUMP CONTROL CIRCUIT 

P0628 FUEL PUMP CONTROL CIRCUIT LOW 

P0629 FUEL PUMP CONTROL CIRCUIT HIGH 

P062C ETC LEVEL 2 MPH PERFORMANCE 

P0630 VIN NOT PROGRAMMED IN PCM 

P0633 SKIM SECRET KEY NOT STORED IN PCM 

P063C GENERATOR VOLTAGE SENSE LOW 

P063D GENERATOR VOLTAGE SENSE HIGH 

P0642 SENSOR REFERENCE VOLTAGE 1 CIRCUIT LOW 

P0643 SENSOR REFERENCE VOLTAGE 1 CIRCUIT HIGH 

P0646 A/C CONTROL CIRCUIT LOW 

P0647 A/C CONTROL CIRCUIT HIGH 

P064C GLOW PLUG MODULE INTERNAL PERFORMANCE 

P064D O2 SENSOR MODULE INTERNAL PERFORMANCE 

P0652 SENSOR REFERENCE VOLTAGE 2 LOW 

P0653 SENSOR REFERENCE VOLTAGE 2 HIGH 

P065A GENERATOR SYSTEM PERFORMANCE 

P0686 POWER ENABLE CONTROL CIRCUIT LOW 

P0691 COOLING FAN 1 CONTROL CIRCUIT LOW 

P0692 COOLING FAN 1 CONTROL CIRCUIT HIGH 

P0693 COOLING FAN 2 CONTROL CIRCUIT LOW 

P0694 COOLING FAN 2 CONTROL CIRCUIT HIGH 

P0698 SENSOR REFERENCE VOLTAGE 3 CIRCUIT LOW 

P0699 SENSOR REFERENCE VOLTAGE 3 CIRCUIT HIGH 

P06A4 SENSOR REFERENCE VOLTAGE 4 CIRCUIT LOW 

P06A5 SENSOR REFERENCE VOLTAGE 4 CIRCUIT HIGH 

P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST) 

P0702 TRANSMISSION CONTROL SYSTEM ELECTRICAL 

P0706 TRANSMISSION RANGE SENSOR RATIONALITY 

P0707 TRANSMISSION RANGE SENSOR CIRCUIT LOW 

P0708 TRANSMISSION RANGE SENSOR CIRCUIT HIGH 

P0711 TRANSMISSION TEMPERATURE SENSOR 1 PERFORMANCE 

P0712 TRANSMISSION TEMPERATURE SENSOR 1 LOW 

P0713 TRANSMISSION TEMPERATURE SENSOR 1 HIGH 

P0714 TRANSMISSION TEMPERATURE SENSOR INTERMITTENT 

P0716 INPUT SPEED SENSOR 1 CIRCUIT PERFORMANCE 

P0717 INPUT SPEED SENSOR 1 CIRCUIT NO SIGNAL 

P0721 OUTPUT SPEED SENSOR CIRCUIT PERFORMANCE 

P0722 OUTPUT SPEED SENSOR CIRCUIT NO SIGNAL 

P0729 GEAR RATIO ERROR IN 6TH 

P0730 INCORRECT GEAR RATIO 

P0731 GEAR RATIO ERROR IN 1ST 

P0732 GEAR RATIO ERROR IN 2ND 

P0733 GEAR RATIO ERROR IN 3RD 

P0734 GEAR RATIO ERROR IN 4TH 

P0735 GEAR RATIO ERROR IN 5TH 

P0736 GEAR RATIO ERROR IN REVERSE 

P0740 TCC OUT OF RANGE 

P0745 LINE PRESSURE SOLENOID CIRCUIT 

P0746 PRESSURE CONTROL SOLENOID A PERFORMANCE 

P0748 PRESSURE CONTROL SOLENOID A CIRCUIT 

P0750 LR SOLENOID CIRCUIT 

P0751 SHIFT SOLENOID A PERFORMANCE 

P0755 2C SOLENOID CIRCUIT 

P0756 SHIFT SOLENOID B PERFORMANCE 

P0760 OD SOLENOID CIRCUIT 

P0761 SHIFT SOLENOID C PERFORMANCE 

P0765 UD SOLENOID CIRCUIT 

P0766 SHIFT SOLENOID D PERFORMANCE 

P0770 4C SOLENOID CIRCUIT 

P0776 PRESSURE CONTROL SOLENOID B PERFORMANCE 

P0778 PRESSURE CONTROL SOLENOID B CIRCUIT 

P0796 PRESSURE CONTROL SOLENOID C PERFORMANCE 

P0798 PRESSURE CONTROL SOLENOID C CIRCUIT 

P0838 FOUR WHEEL DRIVE (4WD) SWITCH CIRCUIT LOW 

P0839 FOUR WHEEL DRIVE (4WD) SWITCH CIRCUIT HIGH 

P0841 LR PRESSURE SWITCH RATIONALITY 

P0845 2C HYDRAULIC PRESSURE TEST 

P0846 2C PRESSURE SWITCH RATIONALITY 

P0850 PARK/NEUTRAL SWITCH PERFORMANCE 

P0853 OVERDRIVE / TOW SWITCH INPUT CIRCUIT STUCK 

P0854 OVERDRIVE INPUT SWITCH CIRCUIT LOW 

P0868 LINE PRESSURE LOW 

P0869 LINE PRESSURE HIGH 

P0870 OD HYDRAULIC PRESSURE TEST 

P0871 OD PRESSURE SWITCH RATIONALITY 

P0875 UD HYDRAULIC PRESSURE TEST 

P0876 UD PRESSURE SWITCH RATIONALITY 

P0882 TCM POWER INPUT LOW 

P0883 TCM POWER INPUT HIGH 

P0884 POWER UP AT SPEED 

P0890 SWITCHED BATTERY 

P0930 BTSI CONTROL CIRCUIT LOW 

P0931 BTSI CONTROL CIRCUIT HIGH 

P0933 HYDRAULIC PRESSURE SENSOR RANGE/PERFORMANCE 

P0934 LINE PRESSURE SENSOR CIRCUIT LOW 

P0935 LINE PRESSURE SENSOR CIRCUIT HIGH 

P0944 LOSS OF HYDRAULIC PUMP PRIME 

P0952 AUTOSTICK INPUT CIRCUIT LOW 

P0953 AUTOSTICK INPUT CIRCUIT HIGH 

P0957 AUTOSTICK CIRCUIT LOW (ERS) 

P0958 AUTOSTICK CIRCUIT HIGH (ERS) 

P0973 SHIFT SOLENOID A CONTROL CIRCUIT LOW 

P0974 SHIFT SOLENOID A CONTROL CIRCUIT HIGH 

P0976 SHIFT SOLENOID B CONTROL CIRCUIT LOW 

P0977 SHIFT SOLENOID B CONTROL CIRCUIT HIGH 

P0979 SHIFT SOLENOID C CONTROL CIRCUIT LOW 

P0980 SHIFT SOLENOID C CONTROL CIRCUIT HIGH 

P0982 SHIFT SOLENOID D CONTROL CIRCUIT LOW 

P0983 SHIFT SOLENOID D CONTROL CIRCUIT HIGH 

P0987 4C HYDRAULIC PRESSURE TEST 

P0988 4C PRESSURE SWITCH RATIONALITY 

P1001 IGNITION KEY OFF TIMER PERFORMANCE – TOO FAST

P1002 IGNITION KEY OFF TIMER PERFORMANCE – TOO SLOW 

P1011 FUEL PUMP DELIVERY PRESSURE TOO LOW 

P1012 FUEL PUMP DELIVERY PRESSURE TOO HIGH 

P1103 DC TO AC CONVERTER SWITCH STUCK 

P1109 O2 SENSOR 1/2 POSITIVE CURRENT CONTROL CIRCUIT OPEN 

P1110 O2 SENSOR 1/2 RETURN CIRCUIT OPEN 

P1111 O2 SENSOR 1/2 SIGNAL CIRCUIT OPEN 

P1123 POWER TAKE OFF SYSTEM MONITOR CONTROL ERROR 

P113C O2 SENSOR POWER SUPPLY CIRCUIT PERFORMANCE 

P1191 INLET AIR TEMPERATURE SENSOR RATIONAL/PERFORMANCE 

P1192 INLET AIR TEMPERATURE SENSOR LOW 

P1193 INLET AIR TEMPERATURE SENSOR HIGH 

P125A POWER ENABLE CONTROL CIRCUIT LOW 

P125B POWER ENABLE CONTROL CIRCUIT HIGH 

P1272 A/C CLUTCH CONTROL CIRCUIT 2 LOW 

P1273 A/C CLUTCH CONTROL CIRCUIT 2 HIGH 

P1274 A/C CLUTCH CONTROL CIRCUIT 2 OPEN 

P1275 A/C CLUTCH CONTROL CIRCUIT 2 OVERCURRENT 

P1277 STARTER CONTROL CIRCUIT 2 LOW 

P1278 STARTER CONTROL CIRCUIT 2 HIGH 

P1279 STARTER CONTROL CIRCUIT 2 OPEN 

P127A STARTER CONTROL CIRCUIT 2 OVERCURRENT 

P127C FUEL PUMP CONTROL CIRCUIT 2 LOW 

P127D FUEL PUMP CONTROL CIRCUIT 2 HIGH 

P127E FUEL PUMP CONTROL CIRCUIT 2 OPEN 

P127F FUEL PUMP CONTROL CIRCUIT 2 OVERCURRENT 

P128B TCM POWER CONTROL CIRCUIT 2 LOW 

P128B TCM POWER CONTROL CIRCUIT 2 LOW 

P128B TCM POWER CONTROL CIRCUIT 2 LOW 

P128B TCM POWER CONTROL CIRCUIT 2 LOW 

P128C TCM POWER CONTROL CIRCUIT 2 HIGH 

P128C TCM POWER CONTROL CIRCUIT 2 HIGH 

P128C TCM POWER CONTROL CIRCUIT 2 HIGH 

P128C TCM POWER CONTROL CIRCUIT 2 HIGH 

P128D TCM POWER CONTROL CIRCUIT 2 OPEN 

P128D TCM POWER CONTROL CIRCUIT 2 OPEN 

P128D TCM POWER CONTROL CIRCUIT 2 OPEN 

P128D TCM POWER CONTROL CIRCUIT 2 OPEN 

P128E TCM POWER CONTROL CIRCUIT 2 OVERCURRENT 

P128E TCM POWER CONTROL CIRCUIT 2 OVERCURRENT 

P128E TCM POWER CONTROL CIRCUIT 2 OVERCURRENT 

P128E TCM POWER CONTROL CIRCUIT 2 OVERCURRENT 

P129C INVERTER CONTROL CIRCUIT HIGH 

P129E INVERTER CONTROL CIRCUIT OVERCURRENT 

P141A EXHAUST GAS TEMPERATURE SENSOR 1 AND 2 SIGNALS SWAPPED 

P144E EGR COOLER BYPASS STATUS LINE CIRCUIT LOW 

P144F EGR COOLER BYPASS STATUS LINE CIRCUIT HIGH 

P1451 DIESEL PARTICULATE FILTER SYSTEM PERFORMANCE 

P1484 CATALYST OVERHEAT DETECTION 

P1506 CRANKCASE DEPRESSION REGULATOR VALVE PERFORMANCE 

P1507 CRANKCASE FILTER RESTRICTION 

P1508 CRANKCASE FILTER RESTRICTION – REPLACE FILTER 

P1679 CALIBRATION NOT LEARNED 

P1684 BATTERY WAS DISCONNECTED 

P1715 RESTRICTED MANUAL VALVE IN T3 RANGE 

P1720 LOSS OF OUTPUT SPEED / WHEEL SPEED 

P1775 SOLENOID SWITCH VALVE LATCHED IN TCC POSITION 

P1776 SOLENOID SWITCH VALVE LATCHED IN LR POSITION 

P1794 SPEED SENSOR GROUND ERROR 

P2000 NOX ABSORBER EFFICIENCY BELOW THRESHOLD – BANK 1 

P2002 DIESEL PARTICULATE FILTER EFFICIENCY BELOW THRESHOLD 

P200C DIESEL PARTICULATE FILTER OVER TEMPERATURE – BANK 1 

P200E CATALYST SYSTEM OVER TEMPERATURE – BANK 1 

P2032 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT LOW – BANK 1 SENSOR 2 

P2033 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT HIGH – BANK 1 SENSOR 2 

P2080 EXHAUST GAS TEMP SENSOR CIRCUIT PERFORMANCE – BANK 1 SENSOR 1 

P2084 EXHAUST GAS TEMP SENSOR CIRCUIT PERFORMANCE – BANK 1 SENSOR 2 

P2121 ACCELERATOR PEDAL POSITION SENSOR 1 PERFORMANCE 

P2122 ACCELERATOR PEDAL POSITION SENSOR 1 CIRCUIT LOW 

P2123 ACCELERATOR PEDAL POSITION SENSOR 1 CIRCUIT HIGH 

P2127 ACCELERATOR PEDAL POSITION SENSOR 2 CIRCUIT LOW 

P2128 ACCELERATOR PEDAL POSITION SENSOR 2 CIRCUIT HIGH 

P2141 EGR AIRFLOW THROTTLE CONTROL CIRCUIT LOW 

P2142 EGR AIRFLOW THROTTLE CONTROL CIRCUIT HIGH 

P2195 O2 SENSOR 1/1 OUT OF RANGE HIGH 

P2196 O2 SENSOR 1/1 OUT OF RANGE LOW 

P21B2 EXCESSIVE TIME TO ENTER CLOSED LOOP NOX ABSORBER CONTROL 

P21B3 CLOSED LOOP NOX ABSORBER CONTROL AT LIMIT – TOO HIGH 

P21B4 NOX ABSORBER – OVER TEMPERATURE 

P2227 BAROMETERIC PRESSURE SENSOR RATIONALITY

P2228 BAROMETRIC PRESSURE CIRCUIT LOW 

P2229 BAROMETRIC PRESSURE CIRCUIT HIGH 

P2237 O2 SENSOR 1/1 POSITIVE PUMPING CIRCUIT OPEN 

P2243 O2 SENSOR 1/1 SIGNAL CIRCUIT BELOW NORMAL OR OPEN 

P2251 O2 SENSOR 1/1 RETURN CIRCUIT OPEN 

P2262 TURBOCHARGER BOOST PRESSURE NOT DETECTED – MECHANICAL 

P2266 WATER IN FUEL SENSOR CIRCUIT LOW 

P2267 WATER IN FUEL SENSOR CIRCUIT HIGH 

P2269 WATER IN FUEL CONDITION 

P226B TURBOCHARGER BOOST PRESSURE NOT RESPONDING 

P226C TURBOCHARGER BOOST CONTROL "A" SLOW RESPONSE 

P2270 O2 SENSOR 1/2 OUT OF RANGE HIGH 

P2271 O2 SENSOR 1/2 OUT OF RANGE LOW 

P2281 AIR LEAK BETWEEN MAF AND THROTTLE BODY 

P2299 BRAKE PEDAL POSITION / ACCELERATOR PEDAL POSITION INCOMPATIBLE 

P22B5 O2 SENSOR 1/2 PUMP CELL CURRENT TRIM CIRCUIT OPEN 

P2413 EXHAUST GAS RECIRCULATION SYSTEM PERFORMANCE 

P241A O2 SENSOR 1/1 AND 1/2 OXYGEN CONCENTRATION MISMATCH 

P242B EXHAUST GAS TEMP SENSOR CIRCUIT PERFORMANCE – BANK 1 SENSOR 3 

P242C EXHAUST GAS TEMPERATURE SENSOR CIRCUIT LOW, BANK 1 SENSOR 3 

P242D EXHAUST GAS TEMPERATURE SENSOR CIRCUIT HIGH – BANK 1 SENSOR 3 

P242F DIESEL PARTICULATE FILTER RESTRICTION – ASH ACCUMULATION 

P244A DIESEL PARTICULLATE FILTER DIFFERENTIAL PRESSURE TOO LOW 

P244D EXHAUST TEMPERATURE TOO HIGH FOR PARTICULATE FILTER REGENERATION – BANK 1 

P2453 DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT PERFORMANCE 

P2454 DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT LOW 

P2455 DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT HIGH 

P2457 EXHAUST GAS RECIRCULATION COOLING SYSTEM PERFORMANCE 

P2459 DIESEL PARTICULATE FILTER REGENERATION TOO FREQUENT 

P245A EGR COOLER BYPASS CONTROL CIRCUIT OPEN 

P245B EGR COOLER BYPASS STATUS LINE INTERMITTENT 

P245C EGR COOLER BYPASS CONTROL CIRCUIT LOW 

P245D EGR COOLER BYPASS CONTROL CIRCUIT HIGH 

P2463 DIESEL PARTICULATE FILTER – SOOT ACCUMULATION 

P246F EXHAUST GAS TEMP SENSOR CIRCUIT PERFORMANCE – BANK 1 SENSOR 4 

P2470 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT LOW – BANK 1 SENSOR 4 

P2471 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT HIGH – BANK 1 SENSOR 4 

P249F EXCESSIVE TIME TO ENTER CLOSED LOOP DPF REGENERATION CONTROL 

P24A0 CLOSED LOOP DPF REGENERATIION CONTROL AT LIMIT – TEMPERATURE TOO LOW 

P2503 CHARGING SYSTEM OUTPUT LOW 

P2504 CHARGING SYSTEM OUTPUT HIGH 

P2509 ECM/PCM POWER INPUT SIGNAL INTERMITTENT 

P254C PTO SPEED SELECTOR SENSOR CIRCUIT LOW 

P254D PTO SPEED SELECTOR SENSOR CIRCUIT HIGH 

P2563 TURBOCHARGER BOOST CONTROL POSITION SENSOR PERFORMANCE 

P2579 TURBOCHARGER SPEED SENSOR CIRCUIT PERFORMANCE 

P2580 TURBOCHARGER SPEED SENSOR CIRCUIT LOW 

P2609 INTAKE AIR HEATER SYSTEM PERFORMANCE 

P2626 O2 SENSOR 1/1 PUMP CELL CURRENT TRIM CIRCUIT OPEN 

P268C CYLINDER 1 INJECTOR DATA INCOMPATIBLE 

P268D CYLINDER 2 INJECTOR DATA INCOMPATIBLE 

P268E CYLINDER 3 INJECTOR DATA INCOMPATIBLE 

P268F CYLINDER 4 INJECTOR DATA INCOMPATIBLE 

P2690 CYLINDER 5 INJECTOR DATA INCOMPATIBLE 

P2691 CYLINDER 6 INJECTOR DATA INCOMPATIBLE 

P2700 INADEQUATE ELEMENT VOLUME LR 

P2701 INADEQUATE ELEMENT VOLUME 2C 

P2702 INADEQUATE ELEMENT VOLUME OD 

P2703 INADEQUATE ELEMENT VOLUME UD 

P2704 INADEQUATE ELEMENT VOLUME 4C 

P2706 MS SOLENOID CIRCUIT 

P2741 TRANSMISSION FLUID TEMPERATURE SENSOR 2 PERFORMANCE 

P2742 TRANSMISSION FLUID TEMPERATURE SENSOR 2 LOW 

P2743 TRANSMISSION FLUID TEMPERATURE SENSOR 2 HIGH 

P2757 TCC PRESSURE CONTROL SOLENOID CONTROL CIRCUIT PERFORMANCE 

P2806 TRANSMISSION RANGE SENSOR ALIGNMENT 

P2A00 O2 SENSOR 1/1 CIRCUIT PERFORMANCE 

P2A01 O2 SENSOR 1/2 CIRCUIT PERFORMANCE 

U0001 CAN C BUS 

U0002 CAN C BUS OFF PERFORMANCE 

U0100 LOST COMMUNICATION WITH ECM / PCM 

U0101 LOST COMMUNICATION WITH TCM 

U010C LOST COMMUNICATION WITH TURBOCHARGER/SUPERCHARGER CONTROL MODULE 

U011A LOST COMMUNICATION WITH EXHAUST GAS SENSOR MODULE 

U0121 LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE 

U0141 LOST COMMUNICATION WITH FCM (TIPM) 

U1111 LOST ODOMETER MESSAGE 

U1400 IMPLAUSIBLE TPS SIGNAL RECEIVED 

U1401 IMPLAUSIBLE ENGINE SPEED SIGNAL RECEIVED 

U1402 IMPLAUSIBLE ENGINE TEMPERATURE SIGNAL RECEIVED 

U1403 IMPLAUSIBLE FUEL LEVEL SIGNAL RECEIVED 

U1407 IMPLAUSIBLE ENGINE TORQUE REQUEST RECEIVED 

U1408 IMPLAUSIBLE BRAKE SIGNAL RECEIVED 

U140D IMPLAUSIBLE WHEEL SPEED SIGNALS RECEIVED 

U1412 IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED 

U1421 IMPLAUSIBLE IGNITION KEY OFF TIME RECEIVED 

U1424 IMPLAUSIBLE ENGINE TORQUE RECEIVED 

U1437 IMPLAUSIBLE INTAKE AIR TEMPERATURE MESSAGE RECEIVED 

U1439 IMPLAUSIBLE/MISSING PROGRAMMED AXLE RATIO 

U1440 IMPLAUSIBLE/MISSING PROGRAMMED TRANSFER CASE HI RATIO 

U1441 IMPLAUSIBLE/MISSING PROGRAMMED TRANSFER CASE LOW RATIO 

U1448 IMPLAUSIBLE IGNITION OFF TIME RECEIVED – SIGNAL STUCK 

U1449 IMPLAUSIBLE ERS MESSAGE RECEIVED 

U1601 ECU APPLICATION SOFTWARE CODE 1 MISSING OR CORRUPTED