FixVault

Diagnostic Trouble Code (DTC) Charts and Descriptions: Notes

NOTE: For TCM self-test and diagnostics, refer to the appropriate Automatic Transmission article.
NOTE: Refer to the applicable appropriate Service Information article to diagnose the body and chassis DTCs.
NOTE: An X equals any number 0 through 9 or the letter A through F.
DTC INDEX

DTC  Code Description 
P0001 FUEL VOLUME REGULATOR CONTROL CIRCUIT 
P0002 FUEL VOLUME REGULATOR CONTROL CIRCUIT RANGE/PERFORMANCE 
P0003 FUEL VOLUME REGULATOR CONTROL CIRCUIT LOW 
P0004 FUEL VOLUME REGULATOR CONTROL CIRCUIT HIGH 
P0016 CRANKSHAFT POSITION - CAMSHAFT POSITION CORRELATION - BANK 1 SENSOR A 
P0069 MAP - BAROMETRIC PRESSURE CORRELATION 
P0070 AMBIENT AIR TEMPERATURE SENSOR CIRCUIT 
P0071 AMBIENT AIR TEMPERATURE SENSOR RANGE/PERFORMANCE 
P0072 AMBIENT AIR TEMPERATURE SENSOR CIRCUIT LOW 
P0073 AMBIENT AIR TEMPERATURE SENSOR CIRCUIT HIGH 
P007B CHARGE AIR COOLER TEMPERATURE SENSOR CIRCUIT RANGE/PERFORMANCE (BANK 1) 
P007C CHARGE AIR COOLER TEMPERATURE SENSOR CIRCUIT LOW (BANK 1) 
P007D CHARGE AIR COOLER TEMPERATURE SENSOR CIRCUIT HIGH (BANK 1) 
P0087 FUEL RAIL/SYSTEM PRESSURE - TOO LOW 
P0088 FUEL RAIL/SYSTEM PRESSURE - TOO HIGH 
P0089 FUEL PRESSURE REGULATOR PERFORMANCE 
P008A LOW PRESSURE FUEL SYSTEM PRESSURE - TOO LOW 
P0090 FUEL PRESSURE REGULATOR CONTROL CIRCUIT 
P0091 FUEL PRESSURE REGULATOR CONTROL CIRCUIT LOW 
P0092 FUEL PRESSURE REGULATOR CONTROL CIRCUIT HIGH 
P0093 FUEL SYSTEM LEAK DETECTED - LARGE LEAK 
P009A INTAKE AIR TEMPERATURE/AMBIENT AIR TEMPERATURE CORRELATION 
P00BC  MASS OR VOLUME AIR FLOW A CIRCUIT RANGE/PERFORMANCE - AIR FLOW TOO LOW 
P00BD  MASS OR VOLUME AIR FLOW A CIRCUIT RANGE/PERFORMANCE - AIR FLOW TOO HIGH 
P0100 MASS OR VOLUME AIR FLOW A CIRCUIT 
P0102 MASS OR VOLUME AIR FLOW A CIRCUIT LOW 
P0103 MASS OR VOLUME AIR FLOW A CIRCUIT HIGH 
P0107 MANIFOLD ABSOLUTE PRESSURE (MAP)/BAROMETRIC PRESSURE (BARO) SENSOR LOW 
P0108 MANIFOLD ABSOLUTE PRESSURE (MAP)/BAROMETRIC PRESSURE (BARO) SENSOR HIGH 
P0111 INTAKE AIR TEMPERATURE (IAT) SENSOR 1 CIRCUIT RANGE/PERFORMANCE 
P0112 INTAKE AIR TEMPERATURE (IAT) SENSOR 1 CIRCUIT LOW 
P0113 INTAKE AIR TEMPERATURE (IAT) SENSOR 1 CIRCUIT HIGH 
P0115 ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT 
P0116 ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCE 
P0117 ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT LOW 
P0118 ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT HIGH 
P0128 COOLANT THERMOSTAT (COOLANT TEMP BELOW THERMOSTAT REGULATING TEMPERATURE) 
P012F ENGINE COOLANT TEMPERATURE / ENGINE OIL TEMPERATURE CORRELATION 
P0133 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK1 SENSOR 1) 
P0134 O2 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR 1) 
P016B CLOSED LOOP AIR/FUEL RATIO CONTROL AT LIMIT - SYSTEM TOO RICH 
P016C CLOSED LOOP AIR/FUEL RATIO CONTROL AT LIMIT - SYSTEM TOO LEAN 
P016D EXCESSIVE TIME TO ENTER CLOSED LOOP FUEL PRESSURE CONTROL 
P0181 FUEL TEMPERATURE SENSOR A CIRCUIT RANGE/PERFORMANCE 
P0182 FUEL TEMPERATURE SENSOR A CIRCUIT LOW 
P0183 FUEL TEMPERATURE SENSOR A CIRCUIT HIGH 
P0191 FUEL RAIL PRESSURE SENSOR A CIRCUIT RANGE/PERFORMANCE 
P0192 FUEL RAIL PRESSURE SENSOR A CIRCUIT LOW 
P0193 FUEL RAIL PRESSURE SENSOR A CIRCUIT HIGH 
P0195 ENGINE OIL TEMPERATURE SENSOR CIRCUIT 
P0196 ENGINE OIL TEMPERATURE SENSOR CIRCUIT RANGE/PERFORMANCE 
P0197 ENGINE OIL TEMPERATURE SENSOR CIRCUIT LOW 
P0198 ENGINE OIL TEMPERATURE SENSOR CIRCUIT HIGH 
P0201 INJECTOR CIRCUIT/OPEN - CYLINDER 1 
P0202 INJECTOR CIRCUIT/OPEN - CYLINDER 2 
P0203 INJECTOR CIRCUIT/OPEN - CYLINDER 3 
P0204 INJECTOR CIRCUIT/OPEN - CYLINDER 4 
P0205 INJECTOR CIRCUIT/OPEN - CYLINDER 5 
P0206 INJECTOR CIRCUIT/OPEN - CYLINDER 6 
P0207 INJECTOR CIRCUIT/OPEN - CYLINDER 7 
P0208 INJECTOR CIRCUIT/OPEN - CYLINDER 8 
P0219  ENGINE OVERSPEED CONDITION 
P0234 TURBOCHARGER/SUPERCHARGER A OVERBOOST CONDITION 
P0243 TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID A 
P0245 TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID A LOW 
P0246 TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID A HIGH 
P0263 CYLINDER 1 CONTRIBUTION/BALANCE 
P0266 CYLINDER 2 CONTRIBUTION/BALANCE 
P0269 CYLINDER 3 CONTRIBUTION/BALANCE 
P026A CHARGE AIR COOLER EFFICIENCY BELOW THRESHOLD 
P0272 CYLINDER 4 CONTRIBUTION/BALANCE 
P0275 CYLINDER 5 CONTRIBUTION/BALANCE 
P0278 CYLINDER 6 CONTRIBUTION/BALANCE 
P0281 CYLINDER 7 CONTRIBUTION/BALANCE 
P0284 CYLINDER 8 CONTRIBUTION/BALANCE 
P0299 TURBOCHARGER/SUPERCHARGER A UNDERBOOST CONDITION 
P02CC CYLINDER 1 FUEL INJECTOR OFFSET LEARNING AT MINIMUM LIMIT 
P02CD CYLINDER 1 FUEL INJECTOR OFFSET LEARNING AT MAXIMUM LIMIT 
P02CE CYLINDER 2 FUEL INJECTOR OFFSET LEARNING AT MINIMUM LIMIT 
P02CF CYLINDER 2 FUEL INJECTOR OFFSET LEARNING AT MAXIMUM LIMIT 
P02D0 CYLINDER 3 FUEL INJECTOR OFFSET LEARNING AT MINIMUM LIMIT 
P02D1 CYLINDER 3 FUEL INJECTOR OFFSET LEARNING AT MAXIMUM LIMIT 
P02D2 CYLINDER 4 FUEL INJECTOR OFFSET LEARNING AT MINIMUM LIMIT 
P02D3 CYLINDER 4 FUEL INJECTOR OFFSET LEARNING AT MAXIMUM LIMIT 
P02D4 CYLINDER 5 FUEL INJECTOR OFFSET LEARNING AT MINIMUM LIMIT 
P02D5 CYLINDER 5 FUEL INJECTOR OFFSET LEARNING AT MAXIMUM LIMIT 
P02D6 CYLINDER 6 FUEL INJECTOR OFFSET LEARNING AT MINIMUM LIMIT 
P02D7 CYLINDER 6 FUEL INJECTOR OFFSET LEARNING AT MAXIMUM LIMIT 
P02D8 CYLINDER 7 FUEL INJECTOR OFFSET LEARNING AT MINIMUM LIMIT 
P02D9 CYLINDER 7 FUEL INJECTOR OFFSET LEARNING AT MAXIMUM LIMIT 
P02DA CYLINDER 8 FUEL INJECTOR OFFSET LEARNING AT MINIMUM LIMIT 
P02DB CYLINDER 8 FUEL INJECTOR OFFSET LEARNING AT MAXIMUM LIMIT 
P02E0 DIESEL INTAKE AIR FLOW CONTROL CIRCUIT/OPEN 
P02E1 DIESEL INTAKE AIR FLOW CONTROL PERFORMANCE 
P02E2 DIESEL INTAKE AIR FLOW CONTROL CIRCUIT LOW 
P02E3 DIESEL INTAKE AIR FLOW CONTROL CIRCUIT HIGH 
P02E8 DIESEL INTAKE AIR FLOW POSITION SENSOR CIRCUIT LOW 
P02E9 DIESEL INTAKE AIR FLOW POSITION SENSOR CIRCUIT HIGH 
P02EC DIESEL INTAKE AIRFLOW CONTROL SYSTEM - HIGH AIRFLOW DETECTED 
P02ED DIESEL INTAKE AIRFLOW CONTROL SYSTEM - LOW AIRFLOW DETECTED 
P02EE CYLINDER 1 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P02EF CYLINDER 2 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P02F0 CYLINDER 3 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P02F1 CYLINDER 4 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P02F2 CYLINDER 5 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P02F3 CYLINDER 6 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P02F4 CYLINDER 7 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P02F5 CYLINDER 8 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P0300 RANDOM MISFIRE DETECTED 
P0301 CYLINDER 1 MISFIRE DETECTED 
P0302 CYLINDER 2 MISFIRE DETECTED 
P0303 CYLINDER 3 MISFIRE DETECTED 
P0304 CYLINDER 4 MISFIRE DETECTED 
P0305 CYLINDER 5 MISFIRE DETECTED 
P0306 CYLINDER 6 MISFIRE DETECTED 
P0307 CYLINDER 7 MISFIRE DETECTED 
P0308 CYLINDER 8 MISFIRE DETECTED 
P0315 CRANKSHAFT POSITION SYSTEM VARIATION NOT LEARNED 
P0335 CRANKSHAFT POSITION SENSOR A CIRCUIT 
P0336 CRANKSHAFT POSITION SENSOR A CIRCUIT RANGE/PERFORMANCE 
P0340 CAMSHAFT POSITION SENSOR A CIRCUIT (BANK 1 OR SINGLE SENSOR) 
P0341 CAMSHAFT POSITION SENSOR A CIRCUIT RANGE/PERFORMANCE (BANK 1 OR SINGLE SENSOR) 
P0381  GLOW PLUG/HEATER INDICATOR CIRCUIT 
P0401 EXHAUST GAS RECIRCULATION (EGR) FLOW INSUFFICIENT DETECTED 
P0402 EXHAUST GAS RECIRCULATION (EGR) FLOW EXCESSIVE DETECTED 
P0403 DETECTED 
P0405 EXHAUST GAS RECIRCULATION (EGR) SENSOR A CIRCUIT LOW 
P0406 EXHAUST GAS RECIRCULATION (EGR) SENSOR A CIRCUIT HIGH 
P040B EXHAUST GAS RECIRCULATION TEMPERATURE (EGRT) SENSOR A CIRCUIT RANGE/PERFORMANCE 
P040C EXHAUST GAS RECIRCULATION TEMPERATURE (EGRT) SENSOR A CIRCUIT LOW 
P040D EXHAUST GAS RECIRCULATION TEMPERATURE (EGRT) SENSOR A CIRCUIT HIGH 
P041B EXHAUST GAS RECIRCULATION TEMPERATURE (EGRT) SENSOR B CIRCUIT RANGE/PERFORMANCE 
P0420 CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 1) 
P042E EXHAUST GAS RECIRCULATION (EGR) CONTROL STUCK OPEN 
P0471 EXHAUST PRESSURE SENSOR A CIRCUIT RANGE/PERFORMANCE 
P0472 EXHAUST PRESSURE SENSOR A CIRCUIT LOW 
P0473 EXHAUST PRESSURE SENSOR A CIRCUIT HIGH 
P0480 FAN 1 CONTROL CIRCUIT 
P0483 FAN PERFORMANCE 
P0489 EXHAUST GAS RECIRCULATION (EGR) A CONTROL CIRCUIT LOW 
P0490 EXHAUST GAS RECIRCULATION (EGR) A CONTROL CIRCUIT HIGH 
P0494 FAN SPEED LOW 
P0495 FAN SPEED HIGH 
P04D9 CLOSED LOOP EGR CONTROL AT LIMIT - FLOW TOO LOW 
P04DA CLOSED LOOP EGR CONTROL AT LIMIT - FLOW TOO HIGH 
P0500 VEHICLE SPEED SENSOR A DETECTED 
P0504 BRAKE SWITCH A / B CORRELATION 
P0506  IDLE AIR CONTROL SYSTEM RPM LOWER THAN EXPECTED 
P0507  IDLE AIR CONTROL SYSTEM RPM HIGHER THAN EXPECTED 
P050E COLD START ENGINE EXHAUST TEMPERATURE TOO LOW 
P0529 FAN SPEED SENSOR CIRCUIT INTERMITTENT 
P0544 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT - BANK 1 SENSOR 1 
P0545 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT LOW - BANK 1 SENSOR 1 
P0546 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT HIGH - BANK 1 SENSOR 1 
P054E IDLE CONTROL SYSTEM - FUEL QUANTITY LOWER THAN EXPECTED 
P054F IDLE CONTROL SYSTEM - FUEL QUANTITY HIGHER THAN EXPECTED 
P0562  SYSTEM VOLTAGE LOW 
P0563  SYSTEM VOLTAGE HIGH 
P0572 BRAKE SWITCH A CIRCUIT LOW 
P0573 BRAKE SWITCH A CIRCUIT HIGH 
P0600  SERIAL COMMUNICATION LINK 
P0601 INTERNAL CONTROL MODULE MEMORY CHECKSUM ERROR 
P0602  POWERTRAIN CONTROL MODULE (PCM) PROGRAMMING ERROR 
P0606 CONTROL MODULE PROCESSOR 
P0607 CONTROL MODULE PERFORMANCE 
P060A  INTERNAL CONTROL MODULE MONITORING PROCESSOR PERFORMANCE 
P060B  INTERNAL CONTROL MODULE A/D PROCESSING PERFORMANCE 
P060D INTERNAL CONTROL MODULE ACCELERATOR PEDAL POSITION PERFORMANCE 
P0610  CONTROL MODULE VEHICLE OPTIONS ERROR 
P0611  FUEL INJECTOR CONTROL MODULE PERFORMANCE 
P061A  INTERNAL CONTROL MODULE TORQUE PERFORMANCE 
P061B  INTERNAL CONTROL MODULE TORQUE CALCULATION PERFORMANCE 
P061C  INTERNAL CONTROL MODULE ENGINE RPM PERFORMANCE 
P0627 FUEL PUMP A CONTROL CIRCUIT/OPEN 
P0628 FUEL PUMP A CONTROL CIRCUIT LOW 
P0629 FUEL PUMP A CONTROL CIRCUIT HIGH 
P062A FUEL PUMP A CONTROL CIRCUIT RANGE/PERFORMANCE 
P062B  INTERNAL CONTROL MODULE FUEL INJECTOR CONTROL PERFORMANCE 
P062D FUEL INJECTOR DRIVER CIRCUIT PERFORMANCE BANK 1 
P062E FUEL INJECTOR DRIVER CIRCUIT PERFORMANCE BANK 2 
P062F INTERNAL CONTROL MODULE EEPROM ERROR 
P064C  GLOW PLUG CONTROL MODULE 
P066A CYLINDER 1 GLOW PLUG CIRCUIT LOW 
P066B CYLINDER 1 GLOW PLUG CIRCUIT HIGH 
P066C CYLINDER 2 GLOW PLUG CIRCUIT LOW 
P066D CYLINDER 2 GLOW PLUG CIRCUIT HIGH 
P066E CYLINDER 3 GLOW PLUG CIRCUIT LOW 
P066F CYLINDER 3 GLOW PLUG CIRCUIT HIGH 
P0671 CYLINDER 1 GLOW PLUG CIRCUIT/OPEN 
P0672 CYLINDER 2 GLOW PLUG CIRCUIT/OPEN 
P0673 CYLINDER 3 GLOW PLUG CIRCUIT/OPEN 
P0674 CYLINDER 4 GLOW PLUG CIRCUIT/OPEN 
P0675 CYLINDER 5 GLOW PLUG CIRCUIT/OPEN 
P0676 CYLINDER 6 GLOW PLUG CIRCUIT/OPEN 
P0677 CYLINDER 7 GLOW PLUG CIRCUIT/OPEN 
P0678 CYLINDER 8 GLOW PLUG CIRCUIT/OPEN 
P067A CYLINDER 4 GLOW PLUG CIRCUIT LOW 
P067B CYLINDER 4 GLOW PLUG CIRCUIT HIGH 
P067C CYLINDER 5 GLOW PLUG CIRCUIT LOW 
P067D CYLINDER 5 GLOW PLUG CIRCUIT HIGH 
P067E CYLINDER 6 GLOW PLUG CIRCUIT LOW 
P067F CYLINDER 6 GLOW PLUG CIRCUIT HIGH 
P0685 ECM/PCM POWER RELAY CONTROL CIRCUIT/OPEN 
P068A ECM/PCM POWER RELAY DE-ENERGIZED - TOO EARLY 
P068C CYLINDER 7 GLOW PLUG CIRCUIT LOW 
P068D CYLINDER 7 GLOW PLUG CIRCUIT HIGH 
P068E CYLINDER 8 GLOW PLUG CIRCUIT LOW 
P068F CYLINDER 8 GLOW PLUG CIRCUIT HIGH 
P0691 FAN 1 CONTROL CIRCUIT LOW 
P0692 FAN 1 CONTROL CIRCUIT HIGH 
P06A6 SENSOR REFERENCE VOLTAGE A CIRCUIT RANGE/PERFORMANCE 
P06A7 SENSOR REFERENCE VOLTAGE B CIRCUIT RANGE/PERFORMANCE 
P06A8 SENSOR REFERENCE VOLTAGE C CIRCUIT RANGE/PERFORMANCE 
P06B9 CYLINDER 1 GLOW PLUG CIRCUIT RANGE/PERFORMANCE 
P06BA CYLINDER 2 GLOW PLUG CIRCUIT RANGE/PERFORMANCE 
P06BB CYLINDER 3 GLOW PLUG CIRCUIT RANGE/PERFORMANCE 
P06BC CYLINDER 4 GLOW PLUG CIRCUIT RANGE/PERFORMANCE 
P06BD CYLINDER 5 GLOW PLUG CIRCUIT RANGE/PERFORMANCE 
P06BE CYLINDER 6 GLOW PLUG CIRCUIT RANGE/PERFORMANCE 
P06BF CYLINDER 7 GLOW PLUG CIRCUIT RANGE/PERFORMANCE 
P06C0 CYLINDER 8 GLOW PLUG CIRCUIT RANGE/PERFORMANCE 
P06DF  GLOW PLUG CONTROL MODULE (GPCM) MEMORY CHECKSUM ERROR 
P06E5  GLOW PLUG CONTROL MODULE 1 PERFORMANCE 
P06EA NOX SENSOR PROCESSOR PERFORMANCE (BANK 1 SENSOR 1) 
P1102 MASS AIR FLOW SENSOR IN RANGE BUT LOWER THAN EXPECTED 
P1103 MASS AIR FLOW SENSOR IN RANGE BUT HIGHER THAN EXPECTED 
P1116 ENGINE COOLANT TEMPERATURE (ECT) SENSOR OUT OF SELF-TEST RANGE 
P1140 WATER IN FUEL CONDITION 
P117B EXHAUST GAS TEMPERATURE SENSOR CORRELATION - BANK 1 
P1184 ENGINE OIL TEMPERATURE (EOT) SENSOR OUT OF SELF-TEST RANGE 
P1201 CYLINDER 1 INJECTOR CIRCUIT OPEN/SHORTED 
P1202 CYLINDER 2 INJECTOR CIRCUIT OPEN/SHORTED 
P1203 CYLINDER 3 INJECTOR CIRCUIT OPEN/SHORTED 
P1204 CYLINDER 4 INJECTOR CIRCUIT OPEN/SHORTED 
P1205 CYLINDER 5 INJECTOR CIRCUIT OPEN/SHORTED 
P1206 CYLINDER 6 INJECTOR CIRCUIT OPEN/SHORTED 
P1207 CYLINDER 7 INJECTOR CIRCUIT OPEN/SHORTED 
P1208 CYLINDER 8 INJECTOR CIRCUIT OPEN/SHORTED 
P123E  NOX SENSOR COMMUNICATION INTERMITTENT (BANK 1 SENSOR 1) 
P1247 TURBOCHARGER BOOST PRESSURE LOW 
P1249 WASTEGATE CONTROL VALVE PERFORMANCE 
P1261 CYLINDER 1 HIGH TO LOW SIDE SHORT 
P1262 CYLINDER 2 HIGH TO LOW SIDE SHORT 
P1263 CYLINDER 3 HIGH TO LOW SIDE SHORT 
P1264 CYLINDER 4 HIGH TO LOW SIDE SHORT 
P1265 CYLINDER 5 HIGH TO LOW SIDE SHORT 
P1266 CYLINDER 6 HIGH TO LOW SIDE SHORT 
P1267 CYLINDER 7 HIGH TO LOW SIDE SHORT 
P1268 CYLINDER 8 HIGH TO LOW SIDE SHORT 
P127A ABORTED KOER - FUEL PRESSURE FAILURE 
P1291 INJECTOR HIGH SIDE SHORT TO GND OR VBATT - BANK 1 
P1292 INJECTOR HIGH SIDE SHORT TO GND OR VBATT - BANK 2 
P130E  REDUCTANT PUMP A CONTROL CIRCUIT INTERMITTENT/ERRATIC 
P132A TURBOCHARGER/SUPERCHARGER BOOST CONTROL A ELECTRICAL 
P132B TURBOCHARGER/SUPERCHARGER BOOST CONTROL A PERFORMANCE 
P138B GLOW PLUG CONTROL MODULE SYSTEM VOLTAGE 
P1397  SYSTEM VOLTAGE OUT OF SELF TEST RANGE 
P1408 EXHAUST GAS RECIRCULATION (EGR) FLOW OUT OF SELF-TEST RANGE 
P145B  A/C DEMAND NOT ACTIVATED DURING SELF-TEST 
P1501 VEHICLE SPEED SENSOR OUT OF SELF TEST RANGE 
P1548  ENGINE AIR FILTER RESTRICTION 
P1551 CYLINDER 1 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P1552 CYLINDER 2 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P1553 CYLINDER 3 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P1554 CYLINDER 4 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P1555 CYLINDER 5 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P1556 CYLINDER 6 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P1557 CYLINDER 7 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P1558 CYLINDER 8 INJECTOR CIRCUIT RANGE/PERFORMANCE 
P1575 PEDAL POSITION OUT OF SELF TEST RANGE 
P160C  CONTROL MODULE SOFTWARE PERFORMANCE 
P161A  INCORRECT RESPONSE FROM IMMOBILIZER CONTROL MODULE 
P1635  TIRE/AXLE OUT OF ACCEPTABLE RANGE 
P1639  VEHICLE ID BLOCK CORRUPTED, NOT PROGRAMMED 
P164A O2 SENSOR POSITIVE CURRENT TRIM CIRCUIT PERFORMANCE (BANK 1 SENSOR 1) 
P167F  NON-OEM CALIBRATION DETECTED 
P1703 BRAKE SWITCH OUT OF SELF-TEST RANGE 
P1709  PARK/NEUTRAL POSITION (PNP) SWITCH OUT OF SELF TEST RANGE 
P1725  INSUFFICIENT ENGINE SPEED INCREASE DURING SELF TEST 
P1726  INSUFFICIENT ENGINE SPEED DECREASE DURING SELF TEST 
P200C DIESEL PARTICULATE FILTER OVER TEMPERATURE BANK 1 
P200E CATALYST SYSTEM OVER TEMPERATURE (BANK 1) 
P202D REDUCTANT LEAKAGE 
P2031 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT BANK 1 SENSOR 2 
P2032 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT LOW BANK 1 SENSOR 2 
P2033 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT HIGH BANK 1 SENSOR 2 
P203A REDUCTANT LEVEL SENSOR A CIRCUIT 
P203B REDUCTANT LEVEL SENSOR CIRCUIT RANGE/PERFORMANCE 
P203C REDUCTANT LEVEL SENSOR CIRCUIT LOW 
P203D REDUCTANT LEVEL SENSOR CIRCUIT HIGH 
P203E  REDUCTANT LEVEL SENSOR A CIRCUIT INTERMITTENT/ERRATIC 
P203F  REDUCTANT LEVEL TOO LOW 
P2043 REDUCTANT TEMPERATURE SENSOR CIRCUIT RANGE/PERFORMANCE 
P2047 REDUCTANT INJECTION VALVE CIRCUIT/OPEN BANK 1 UNIT 1 
P2048 REDUCTANT INJECTION VALVE CIRCUIT LOW (BANK 1 UNIT 1) 
P2049 REDUCTANT INJECTION VALVE CIRCUIT HIGH (BANK 1 UNIT 1) 
P204B REDUCTANT PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE 
P204C REDUCTANT PRESSURE SENSOR CIRCUIT LOW 
P204D REDUCTANT PRESSURE SENSOR CIRCUIT HIGH 
P204E  REDUCTANT PRESSURE SENSOR CIRCUIT INTERMITTENT/ERRATIC 
P204F REDUCTANT SYSTEM PERFORMANCE (BANK 1) 
P205C REDUCTANT TANK TEMPERATURE SENSOR CIRCUIT LOW 
P205D REDUCTANT TANK TEMPERATURE SENSOR CIRCUIT HIGH 
P205E  REDUCTANT TANK TEMPERATURE SENSOR CIRCUIT INTERMITTENT/ERRATIC 
P2073 MANIFOLD ABSOLUTE PRESSURE/MASS AIR FLOW - THROTTLE POSITION CORRELATION AT IDLE 
P2074 MANIFOLD ABSOLUTE PRESSURE/MASS AIR FLOW - THROTTLE POSITION CORRELATION AT HIGHER LOAD 
P207F REDUCTANT QUALITY PERFORMANCE 
P2085  EXHAUST GAS TEMPERATURE SENSOR CIRCUIT INTERMITTENT (BANK 1 SENSOR 2) 
P208A REDUCTANT PUMP CONTROL CIRCUIT OPEN LOAD 
P208B  REDUCTANT PUMP A CONTROL RANGE/PERFORMANCE 
P208C REDUCTANT PUMP CONTROL CIRCUIT LOW 
P208D REDUCTANT PUMP CONTROL CIRCUIT HIGH 
P208E REDUCTANT INJECTION VALVE STUCK CLOSED (BANK 1 UNIT 1) 
P209F REDUCTANT TANK HEATER CONTROL PERFORMANCE 
P20A0 REDUCTANT PURGE CONTROL VALVE CIRCUIT OPEN LOAD 
P20A1  REDUCTANT PURGE CONTROL VALVE PERFORMANCE 
P20A2 REDUCTANT PURGE CONTROL VALVE CIRCUIT LOW 
P20A3 REDUCTANT PURGE CONTROL VALVE CIRCUIT HIGH 
P20B9 REDUCTANT HEATER A CONTROL CIRCUIT/OPEN 
P20BA REDUCTANT HEATER A CONTROL PERFORMANCE 
P20BB REDUCTANT HEATER A CONTROL CIRCUIT LOW 
P20BC REDUCTANT HEATER A CONTROL CIRCUIT HIGH 
P20BD REDUCTANT HEATER B CONTROL CIRCUIT/OPEN 
P20BE REDUCTANT HEATER B CONTROL PERFORMANCE 
P20BF REDUCTANT HEATER B CONTROL CIRCUIT LOW 
P20C0 REDUCTANT HEATER B CONTROL CIRCUIT HIGH 
P20C1 REDUCTANT HEATER C CONTROL CIRCUIT/OPEN 
P20C2 REDUCTANT HEATER C CONTROL PERFORMANCE 
P20C3 REDUCTANT HEATER C CONTROL CIRCUIT LOW 
P20C4 REDUCTANT HEATER C CONTROL CIRCUIT HIGH 
P20E8 REDUCTANT PRESSURE TOO LOW 
P20E9 REDUCTANT PRESSURE TOO HIGH 
P20EE SCR NOX CATALYST EFFICIENCY BELOW THRESHOLD (BANK 1) 
P2122 THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT LOW 
P2123 THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT HIGH 
P2127 THROTTLE/PEDAL POSITION SENSOR/SWITCH E CIRCUIT LOW 
P2128 THROTTLE/PEDAL POSITION SENSOR/SWITCH E CIRCUIT HIGH 
P2138 THROTTLE/PEDAL POSITION SENSOR/SWITCH D/E VOLTAGE CORRELATION 
P2182 ENGINE COOLANT TEMPERATURE SENSOR 2 CIRCUIT 
P2183 ENGINE COOLANT TEMPERATURE SENSOR 2 CIRCUIT RANGE/PERFORMANCE 
P2184 ENGINE COOLANT TEMPERATURE SENSOR 2 CIRCUIT LOW 
P2185 ENGINE COOLANT TEMPERATURE SENSOR 2 CIRCUIT HIGH 
P218F  REDUCTANT NO FLOW DETECTED 
P21AB REDUCTANT LEVEL SENSOR B CIRCUIT HIGH 
P21B0 REDUCTANT LEVEL SENSOR C CIRCUIT HIGH 
P2200 NOX SENSOR CIRCUIT (BANK 1 SENSOR 1) 
P2201 NOX SENSOR CIRCUIT RANGE/PERFORMANCE BANK 1 
P2204  NOX SENSOR CIRCUIT INTERMITTENT (BANK 1 SENSOR 1) 
P2209 NOX SENSOR HEATER SENSE CIRCUIT RANGE/PERFORMANCE (BANK 1 SENSOR 1) 
P220A NOX SENSOR SUPPLY VOLTAGE CIRCUIT (BANK 1 SENSOR 1) 
P220E NOX SENSOR HEATER CONTROL CIRCUIT RANGE/PERFORMANCE (BANK 1 SENSOR 1) 
P2227  BAROMETRIC PRESSURE SENSOR A CIRCUIT RANGE/PERFORMANCE 
P2228  BAROMETRIC PRESSURE CIRCUIT LOW 
P2229  BAROMETRIC PRESSURE CIRCUIT HIGH 
P225A NOX SENSOR CALIBRATION MEMORY (BANK 1 SENSOR 1) 
P2263 TURBO/SUPER CHARGER BOOST SYSTEM PERFORMANCE 
P228E FUEL PRESSURE REGULATOR 1 EXCEEDED LEARNING LIMITS - TOO LOW 
P228F FUEL PRESSURE REGULATOR 1 EXCEEDED LEARNING LIMITS - TOO HIGH 
P2291 INJECTOR CONTROL PRESSURE TOO LOW - ENGINE CRANKING 
P2425 EXHAUST GAS RECIRCULATION COOLING VALVE CONTROL CIRCUIT/OPEN 
P2426 EXHAUST GAS RECIRCULATION COOLING VALVE CONTROL CIRCUIT LOW 
P2427 EXHAUST GAS RECIRCULATION COOLING VALVE CONTROL CIRCUIT HIGH 
P242A EXHAUST GAS TEMPERATURE SENSOR CIRCUIT 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 
P244A DIESEL PARTICULATE FILTER DIFFERENTIAL PRESSURE TOO LOW 
P2452 DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT 
P2453 DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT RANGE/PERFORMANCE 
P2454 DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT LOW 
P2455 DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT HIGH 
P2456 DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT INTERMITTENT/ERRATIC 
P2457 EXHAUST GAS RECIRCULATION (EGR) COOLER SYSTEM PERFORMANCE 
P2459 DIESEL PARTICULATE FILTER REGENERATION FREQUENCY 
P2463 DIESEL PARTICULATE FILTER - SOOT ACCUMULATION 
P246C DIESEL PARTICULATE FILTER RESTRICTION - FORCED LIMITED POWER 
P246E EXHAUST GAS TEMPERATURE SENSOR CIRCUIT (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) 
P2478 EXHAUST GAS TEMPERATURE OUT OF RANGE (BANK 1 SENSOR 1) 
P2479 EXHAUST GAS TEMPERATURE OUT OF RANGE (BANK 1 SENSOR 2) 
P247A EXHAUST GAS TEMPERATURE OUT OF RANGE (BANK 1 SENSOR 3) 
P247B EXHAUST GAS TEMPERATURE OUT OF RANGE (BANK 1 SENSOR 4) 
P249C SCR TIME TO CLOSED LOOP 
P249D CLOSED LOOP REDUCTANT INJECTION CONTROL AT LIMIT - FLOW TOO LOW 
P249E CLOSED LOOP REDUCTANT INJECTION CONTROL AT LIMIT - FLOW TOO HIGH 
P249F EXCESSIVE TIME TO ENTER CLOSED LOOP DPF REGENERATION CONTROL 
P24A0 CLOSED LOOP DPF REGENERATION CONTROL AT LIMIT - TEMPERATURE TOO LOW 
P24A2 DIESEL PARTICULATE FILTER REGENERATION INCOMPLETE 
P24A5 EXHAUST GAS RECIRCULATION (EGR) COOLER BYPASS CONTROL STUCK (BANK 1) 
P2506 ECM / PCM POWER INPUT SIGNAL RANGE/PERFORMANCE 
P2507 ECM / PCM POWER INPUT SIGNAL LOW 
P2508 ECM / PCM POWER INPUT SIGNAL HIGH 
P2539 LOW PRESSURE FUEL SYSTEM SENSOR CIRCUIT 
P2560 ENGINE COOLANT LEVEL LOW 
P2610 ELECTRONIC CONTROL MODULE (ECM)/POWERTRAIN CONTROL MODULE (PCM) INTERNAL ENGINE OFF TIMER PERFORMANCE 
P262A FUEL INJECTOR - PILOT INJECTION NOT LEARNED 
P263C GLOW PLUG DRIVER PERFORMANCE 
P263D  REDUCTANT HEATER DRIVER PERFORMANCE 
P263E  GLOW PLUG CONTROL MODULE 1 OVER TEMPERATURE 
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 
P2692  CYLINDER 7 INJECTOR DATA INCOMPATIBLE 
P2693  CYLINDER 8 INJECTOR DATA INCOMPATIBLE 
P2A00 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (BANK 1 SENSOR 1) 
P2BA7  NOX EXCEEDENCE - EMPTY REAGENT TANK 
U0073 CONTROL MODULE COMMUNICATION BUS A OFF 
U0074 CONTROL MODULE COMMUNICATION BUS B OFF 
U0101 LOST COMMUNICATION WITH TRANSMISSION CONTROL MODULE (TCM) 
U0106 LOST COMMUNICATION WITH GPCM 
U0121 LOST COMMUNICATION WITH THE ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE 
U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE 
U0151 LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE (RCM) 
U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE 
U0212 LOST COMMUNICATION WITH STEERING COLUMN CONTROL MODULE 
U029D LOST COMMUNICATION WITH NOX SENSOR A 
U0307 SOFTWARE INCOMPATIBILITY WITH GPCM 
U0402  INVALID DATA RECEIVED FROM TRANSMISSION CONTROL MODULE (TCM) 
U0407 INVALID DATA RECEIVED FROM GPCM 
U0418 INVALID DATA RECEIVED FROM BRAKE SYSTEM CONTROL MODULE 
U041E INVALID DATA RECEIVED FROM ALL WHEEL DRIVE CONTROL MODULE 
U0452 PLUG INVALID DATA RECEIVED FROM RESTRAINTS CONTROL MODULE 
U059E INVALID DATA RECEIVED FROM NOX SENSOR A 
U05A1 NOX SENSOR A RECEIVED INVALID DATA FROM ECM/PCM