Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0016 | DTC P0016 Crankshaft Position - Camshaft Position Not Plausible |
| DTC P003A | DTC P003A Turbocharger Vane Position Not Learned |
| DTC P0045, P0047, P0048, P006E, or P006F | DTC P0045 Turbocharger Boost Control Solenoid Control Circuit DTC P0047 Turbocharger Boost Control Solenoid Control Circuit Low Voltage DTC P0048 Turbocharger Boost Control Solenoid Control Circuit High Voltage DTC P006E Turbocharger Boost Control Solenoid High Control Circuit Low Voltage DTC P006F Turbocharger Boost Control Solenoid High Control Circuit High Voltage |
| DTC P007C or P007D | DTC P007C Charge Air Cooler (CAC) Temperature Sensor Circuit Low Voltage DTC P007D Charge Air Cooler (CAC) Temperature Sensor Circuit High Voltage |
| DTC P0087 or P0088 | DTC P0087 Fuel Rail Low Pressure DTC P0088 Fuel Rail High Pressure |
| DTC P008F | DTC P008F Engine Coolant Temperature (ECT) Fuel Temperature Not Plausible |
| DTC P0090-P0092, P00C9, or P00CA | DTC P0090 Fuel Pressure Regulator 1 Control Circuit DTC P0091 Fuel Pressure Regulator 1 Control Circuit Low Voltage DTC P0092 Fuel Pressure Regulator 1 Control Circuit High Voltage DTC P00C9 Fuel Pressure Regulator 1 High Control Circuit Low Voltage DTC P00CA Fuel Pressure Regulator 1 High Control Circuit High Voltage |
| DTC P0097 or P0098 | DTC P0097 Intake Air Temperature (IAT) Sensor 2 Circuit Low Voltage DTC P0098 Intake Air Temperature (IAT) Sensor 2 Circuit High Voltage |
| DTC P00EA or P00EB | DTC P00EA Intake Air Temperature (IAT) Sensor 3 Circuit Low Voltage DTC P00EB Intake Air Temperature (IAT) Sensor 3 Circuit High Voltage |
| DTC P00F4-P00F6 | DTC P00F4 Intake Air Humidity Sensor Circuit Low Voltage DTC P00F5 Intake Air Humidity Sensor Circuit High Voltage DTC P00F6 Intake Air Humidity Sensor Circuit Erratic |
| DTC P0101 | DTC P0101 Mass Air Flow (MAF) Sensor Performance |
| DTC P0102 or P0103 | DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency |
| DTC P0106 | DTC P0106 Manifold Absolute Pressure (MAP) Sensor Performance |
| DTC P0107 or P0108 | DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage |
| DTC P0112 or P0113 | DTC P0112 Intake Air Temperature (IAT) Sensor 1 Circuit Low Voltage DTC P0113 Intake Air Temperature (IAT) Sensor 1 Circuit High Voltage |
| DTC P0117 or P0118 | DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage |
| DTC P0128 | DTC P0128 Engine Coolant Temperature (ECT) Below Thermostat Temperature |
| DTC P0131, P0132, P0137, P0138, P11A6, P11A9, P11AF, P11B2, P11B4, or P11B5 | DTC P0131 HO2S Circuit Low Voltage Sensor 1 DTC P0132 HO2S Circuit High Voltage Sensor 1 DTC P0137 HO2S Circuit Low Voltage Sensor 2 DTC P0138 HO2S Circuit High Voltage Sensor 2 DTC P11A6 HO2S Performance - Signal High During Moderate Load Sensor 1 DTC P11A9 HO2S Performance - Signal Low During Moderate Load Sensor 1 DTC P11AF HO2S Performance - Signal High During Moderate Load Sensor 2 DTC P11B2 HO2S Performance - Signal Low During Moderate Load Sensor 2 DTC P11B4 HO2S Current Performance Sensor 1 DTC P11B5 HO2S Current Performance Sensor 2 |
| DTC P014C | DTC P014C HO2S Slow Response Rich to Lean Sensor 1 |
| DTC P0171 or P0172 | DTC P0171 Fuel System Lean DTC P0172 Fuel System Rich |
| DTC P0182, P0183, P0187, or P0188 | DTC P0182 Fuel Temperature Sensor Circuit Low Voltage DTC P0183 Fuel Temperature Sensor Circuit High Voltage DTC P0187 Fuel Rail Temperature Sensor Circuit Low Voltage DTC P0188 Fuel Rail Temperature Sensor Circuit High Voltage |
| DTC P0191 | DTC P0191 Fuel Rail Pressure Sensor Performance |
| DTC P0192 or P0193 | DTC P0192 Fuel Rail Pressure Sensor Circuit Low Voltage DTC P0193 Fuel Rail Pressure Sensor Circuit High Voltage |
| DTC P01CC, P01CE, P01D0, P01D2, P01D4, P01D6, P01D8, P01DA, P01CB, P01CD, P01CF, P01D1, P01D3, P01D5, P01D7, or P01D9 | DTC P01CC Cylinder 1 Injection Timing Advanced DTC P01CE Cylinder 2 Injection Timing Advanced DTC P01D0 Cylinder 3 Injection Timing Advanced DTC P01D2 Cylinder 4 Injection Timing Advanced DTC P01D4 Cylinder 5 Injection Timing Advanced DTC P01D6 Cylinder 6 Injection Timing Advanced DTC P01D8 Cylinder 7 Injection Timing Advanced DTC P01DA Cylinder 8 Injection Timing Advanced DTC P01CB Cylinder 1 Injection Timing Retarded DTC P01CD Cylinder 2 Injection Timing Retarded DTC P01CF Cylinder 3 Injection Timing Retarded DTC P01D1 Cylinder 4 Injection Timing Retarded DTC P01D3 Cylinder 5 Injection Timing Retarded DTC P01D5 Cylinder 6 Injection Timing Retarded DTC P01D7 Cylinder 7 Injection Timing Retarded DTC P01D9 Cylinder 8 Injection Timing Retarded |
| DTC P01F0 | DTC P01F0 Coolant Temperature Dropped Below Diagnostic Monitoring Temperature |
| DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 | DTC P0201 Cylinder 1 Injector Control Circuit DTC P0202 Cylinder 2 Injector Control Circuit DTC P0203 Cylinder 3 Injector Control Circuit DTC P0204 Cylinder 4 Injector Control Circuit DTC P0205 Cylinder 5 Injector Control Circuit DTC P0206 Cylinder 6 Injector Control Circuit DTC P0207 Cylinder 7 Injector Control Circuit DTC P0208 Cylinder 8 Injector Control Circuit |
| DTC P0234 | DTC P0234 Turbocharger Engine Overboost |
| DTC P0263, P0266, P0269, P0272, P0275, P0278, P0281, or P0284 | DTC P0263 Cly 1 Balance System DTC P0266 Cly 2 Balance System DTC P0269 Cly 3 Balance System DTC P0272 Cly 4 Balance System DTC P0275 Cly 5 Balance System DTC P0278 Cly 6 Balance System DTC P0281 Cly 7 Balance System DTC P0284 Cly 8 Balance System |
| DTC P026A | DTC P026A Charge Air Cooler (CAC) Low Efficiency |
| DTC P026C or P026D | DTC P026C Injection Quantity Too Low DTC P026D Injection Quantity Too High |
| DTC P0299 | DTC P0299 Turbocharger Engine Underboost |
| DTC P02CD, P02CF, P02D1, P02D3, P02D5, P02D7, P02D9, or P02DB | DTC P02CD Cylinder 1 Injector Exceeded Learning Limit DTC P02CF Cylinder 2 Injector Exceeded Learning Limit DTC P02D1 Cylinder 3 Injector Exceeded Learning Limit DTC P02D3 Cylinder 4 Injector Exceeded Learning Limit DTC P02D5 Cylinder 5 Injector Exceeded Learning Limit DTC P02D7 Cylinder 6 Injector Exceeded Learning Limit DTC P02D9 Cylinder 7 Injector Exceeded Learning Limit DTC P02DB Cylinder 8 Injector Exceeded Learning Limit |
| DTC P02E0, P02E2, P02E3, P02EB, P122C, P122E, or P122F | DTC P02E0 Intake Air (IA) Flow Valve Control Circuit DTC P02E2 Intake Air (IA) Flow Valve Control Circuit Low Voltage DTC P02E3 Intake Air (IA) Flow Valve Control Circuit High Voltage DTC P02EB Intake Air (IA) Flow Valve Control Motor Current Performance DTC P122C Intake Air (IA) Flow Valve Control Circuit Shorted DTC P122E Intake Air (IA) Flow Valve Control Circuit 2 Low Voltage DTC P122F Intake Air (IA) Flow Valve Control Circuit 2 High Voltage |
| DTC P02E7-P02E9 | DTC P02E7 Intake Air Flow Valve Position Sensor Performance DTC P02E8 Intake Air Flow Valve Position Sensor Circuit Low Voltage DTC P02E9 Intake Air Flow Valve Position Sensor Circuit High Voltage |
| DTC P0300-P0308 | DTC P0300 Engine Misfire Detected DTC P0301 Cylinder 1 Misfire Detected DTC P0302 Cylinder 2 Misfire Detected DTC P0303 Cylinder 3 Misfire Detected DTC P0304 Cylinder 4 Misfire Detected DTC P0305 Cylinder 5 Misfire Detected DTC P0306 Cylinder 6 Misfire Detected DTC P0307 Cylinder 7 Misfire Detected DTC P0308 Cylinder 8 Misfire Detected |
| DTC P0315 | DTC P0315 Crankshaft Position System Variation Not Learned |
| DTC P0335 or P0336 | DTC P0335 Crankshaft Position Sensor Circuit DTC P0336 Crankshaft Position Sensor Performance |
| DTC P0340 or P0341 | DTC P0340 Camshaft Position Sensor Circuit DTC P0341 Camshaft Position Sensor Performance |
| DTC P0381 | DTC P0381 Wait to Start Indicator Control Circuit |
| DTC P0400 | DTC P0400 Exhaust Gas Recirculation (EGR) Flow Incorrect |
| DTC P0401 or P0402 | DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient DTC P0402 Exhaust Gas Recirculation (EGR) Flow Excessive |
| DTC P0403, P0489, P0490, P1407, P140D, P140E, or P140F | DTC P0403 Exhaust Gas Recirculation (EGR) Motor Control Circuit DTC P0489 Exhaust Gas Recirculation (EGR) Motor Control Circuit 1 Low Voltage DTC P0490 Exhaust Gas Recirculation (EGR) Motor Control Circuit 1 High Voltage DTC P1407 Exhaust Gas Recirculation (EGR) Motor Control Circuit Shorted DTC P140D Exhaust Gas Recirculation (EGR) Motor Control Circuit 2 Low Voltage DTC P140E Exhaust Gas Recirculation (EGR) Motor Control Circuit 2 High Voltage DTC P140F Exhaust Gas Recirculation (EGR) Motor Current Performance |
| DTC P0405 or P0406 | DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage DTC P0406 Exhaust Gas Recirculation (EGR) Position Sensor Circuit High Voltage |
| DTC P040C or P040D | DTC P040C Exhaust Gas Recirculation (EGR) Temperature Sensor 2 Circuit Low Voltage DTC P040D Exhaust Gas Recirculation (EGR) Temperature Sensor 2 Circuit High Voltage |
| DTC P040F | DTC P040F Exhaust Gas Recirculation (EGR) Temperature Sensor 1-2 Correlation |
| DTC P041C or P041D | DTC P041C Exhaust Gas Recirculation (EGR) Temperature Sensor 1 Circuit Low Voltage DTC P041D Exhaust Gas Recirculation (EGR) Temperature Sensor 1 Circuit High Voltage |
| DTC P0420 | DTC P0420 Catalyst System Low Efficiency |
| DTC P046C | DTC P046C Exhaust Gas Recirculation (EGR) Position Sensor Performance |
| DTC P049D | DTC P049D Exhaust Gas Recirculation (EGR) Position Not Learned |
| DTC P0506 or P0507 | DTC P0506 Idle Speed Low DTC P0507 Idle Speed High |
| DTC P0522 or P0523 | DTC P0522 Engine Oil Pressure (EOP) Sensor Circuit Low Voltage. DTC P0523 Engine Oil Pressure (EOP) Sensor Circuit High Voltage |
| DTC P0545, P0546, P2032, P2033, P242C, P242D, P2470, or P2471 | DTC P0545 Exhaust Gas Temperature Sensor 1 Circuit Low Voltage DTC P0546 Exhaust Gas Temperature Sensor 1 Circuit High Voltage DTC P2032 Exhaust Gas Temperature Sensor 2 Circuit Low Voltage DTC P2033 Exhaust Gas Temperature Sensor 2 Circuit High Voltage DTC P242C Exhaust Gas Temperature Sensor 3 Circuit Low Voltage DTC P242D Exhaust Gas Temperature Sensor 3 Circuit High Voltage DTC P2470 Exhaust Gas Temperature Sensor 4 Circuit Low Voltage DTC P2471 Exhaust Gas Temperature Sensor 4 Circuit High Voltage |
| DTC P054E or P054F | DTC P054E Idle Control - Fuel Quantity Lower Than Expected DTC P054F Idle Control - Fuel Quantity Higher Than Expected |
| DTC P057B-P057D | DTC P057B Brake Pedal Position Sensor Performance DTC P057C Brake Pedal Position Sensor Circuit Low Voltage DTC P057D Brake Pedal Position Sensor Circuit High Voltage |
| DTC P0601, P0602, P0606, P060B, P061C, P062C, P062F, or P2610 | DTC P0601 Control Module Read Only Memory Performance DTC P0602 Control Module Not Programmed DTC P0606 Control Module Processor Performance DTC P060B Control Module Analog to Digital Converter Performance DTC P061C Control Module Engine Speed System Circuitry Performance DTC P062F Control Module Long Term Memory Performance DTC P2610 Control Module Ignition Off Timer Performance |
| DTC P0627-P0629 | DTC P0627 Fuel Pump Relay Control Circuit Open DTC P0628 Fuel Pump Relay Control Circuit Low Voltage DTC P0629 Fuel Pump Relay Control Circuit High Voltage |
| DTC P0640 | DTC P0640 Intake Air Heater Enable Circuit |
| DTC P0641, P0651, P0697, P06A3, P06D2, or P06D6 | DTC P0641 5V Reference 1 Circuit DTC P0651 5V Reference 2 Circuit DTC P0697 5V Reference 3 Circuit DTC P06A3 5V Reference 4 Circuit DTC P06D2 5V Reference 5 Circuit |
| DTC P064C | DTC P064C Glow Plug Control Module Performance |
| DTC P0650 | DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit |
| DTC P0671-P0678 | DTC P0671 Cylinder 1 Glow Plug Control Circuit DTC P0672 Cylinder 2 Glow Plug Control Circuit DTC P0673 Cylinder 3 Glow Plug Control Circuit DTC P0674 Cylinder 4 Glow Plug Control Circuit DTC P0675 Cylinder 5 Glow Plug Control Circuit DTC P0676 Cylinder 6 Glow Plug Control Circuit DTC P0677 Cylinder 7 Glow Plug Control Circuit DTC P0678 Cylinder 8 Glow Plug Control Circuit |
| DTC P0700 | DTC P0700 Transmission Control Module Requested MIL Illumination |
| DTC P1043, P1044, P208A, P208C, or P208D | DTC P1043 Reductant Pump High Control Circuit Low Voltage DTC P1044 Reductant Pump High Control Circuit High Voltage DTC P208A Reductant Pump Control Circuit DTC P208D Reductant Pump Control Circuit High Voltage |
| DTC P1045, P1046, P20A0, P20A2, or P20A3 | DTC P1046 Reductant Purge Valve High Control Circuit High Voltage DTC P20A0 Reductant Purge Valve Control Circuit DTC P20A2 Reductant Purge Valve Control Circuit Low Voltage DTC P20A3 Reductant Purge Valve Control Circuit High Voltage |
| DTC P1048, P1049, or P2047-P2049 | DTC P1048 Reductant Injector High Control Circuit Low Voltage DTC P1049 Reductant Injector High Control Circuit High Voltage DTC P2047 Reductant Injector Control Circuit DTC P2048 Reductant Injector Control Circuit Low Voltage DTC P2049 Reductant Injector Control Circuit High Voltage |
| DTC P1082 | DTC P1082 Fuel Filter Pressure Switch Performance |
| DTC P1089 | DTC P1089 Fuel Rail Pressure Performance During Deceleration Fuel Cut-Off |
| DTC P10CC or P20CB | DTC P10CC Exhaust Aftertreatment Fuel Injector Control Circuit Shorted DTC P20CB Exhaust Aftertreatment Fuel Injector Control Circuit |
| DTC P10CD, P10CE, P20CD, or P20CE | DTC P10CD Exhaust Aftertreatment Fuel Injector High Control Circuit Low Voltage DTC P10CE Exhaust Aftertreatment Fuel Injector High Control Circuit High Voltage DTC P20CD Exhaust Aftertreatment Fuel Injector Control Circuit Low Voltage DTC P20CE Exhaust Aftertreatment Fuel Injector Control Circuit High Voltage |
| DTC P10CF | DTC P10CF Charge Air Cooler Temperature - Intake Air Temperature (IAT) Sensor 3 Correlation |
| DTC P10D0 | DTC P10D0 Reductant Injector Temperature - Exhaust Gas Temperature 2 Not Plausible |
| DTC P111F | DTC P111F Fuel Temperature Sensor 1 - Fuel Temperature Sensor 2 Not Plausible |
| DTC P113A or P20E2 | DTC P113A Exhaust Gas Temperature Sensors 3-4 Not Plausible DTC P20E2 Exhaust Gas Temperature Sensors 1-2 Not Plausible |
| DTC P11CB or P11CC | DTC P11CB NOx Sensor 1 Performance - Signal High DTC P11CC NOx Sensor 1 Performance - Signal Low |
| DTC P11CE or P229F | DTC P11CE NOx Sensor 2 Performance - Signal High DTC P229F NOx Sensor 2 Performance |
| DTC P11D7 or P22FE | DTC P11D7 NOx Sensor 2 Performance - Sensing Element Status Signal DTC P22FE NOx Sensor 2 Performance - Sensing Element |
| DTC P11DB or P11DC | DTC P11DB NOx Sensor 1 Current Performance DTC P11DC NOx Sensor 2 Current Performance |
| DTC P1224, P1227, P122A, P1233, P1236, P1239, P1242, or P1247 | DTC P1224 Cylinder 1 Injector Control Circuit Shorted DTC P1227 Cylinder 2 Injector Control Circuit Shorted DTC P122A Cylinder 3 Injector Control Circuit Shorted DTC P1233 Cylinder 4 Injector Control Circuit Shorted DTC P1236 Cylinder 5 Injector Control Circuit Shorted DTC P1239 Cylinder 6 Injector Control Circuit Shorted DTC P1242 Cylinder 7 Injector Control Circuit Shorted DTC P1247 Cylinder 8 Injector Control Circuit Shorted |
| DTC P122D | DTC P122D Intake Air (IA) Flow Position Sensor Exceeded Learning Limit |
| DTC P125A, P125B, or P2294-P2296 | DTC P125A Fuel Pressure Regulator 2 High Control Circuit Low Voltage DTC P125B Fuel Pressure Regulator 2 High Control circuit High Voltage DTC P2294 Fuel Pressure Regulator 2 Control Circuit DTC P2295 Fuel Pressure Regulator 2 Control Circuit Low Voltage DTC P2296 Fuel Pressure Regulator 2 Control Circuit High Voltage |
| DTC P128E | DTC P128E Fuel Rail Pressure Performance |
| DTC P12B3, P12B5, P12B7, P12B9, P12BB, P12BD, P12BF, or P12C1 | DTC P12B3 Cylinder 1 Injection Timing Retarded DTC P12B5 Cylinder 2 Injection Timing Retarded DTC P12B7 Cylinder 3 Injection Timing Retarded DTC P12B9 Cylinder 4 Injection Timing Retarded DTC P12BB Cylinder 5 Injection Timing Retarded DTC P12BD Cylinder 6 Injection Timing Retarded DTC P12BF Cylinder 7 Injection Timing Retarded DTC P12C1 Cylinder 8 Injection Timing Retarded |
| DTC P12B4, P12B6, P12B8, P12BA, P12BC, P12BE, P12C0, or P12C2 | DTC P12B4 Cylinder 1 Injection Timing Advanced DTC P12B6 Cylinder 2 Injection Timing Advanced DTC P12B8 Cylinder 3 Injection Timing Advanced DTC P12BA Cylinder 4 Injection Timing Advanced DTC P12BC Cylinder 5 Injection Timing Advanced DTC P12BE Cylinder 6 Injection Timing Advanced DTC P12C0 Cylinder 7 Injection Timing Advanced DTC P12C2 Cylinder 8 Injection Timing Advanced |
| DTC P140B or P140C | DTC P140B Exhaust Gas Recirculation (EGR) Slow Response - Increasing Flow DTC P140C Exhaust Gas Recirculation (EGR) Slow Response - Decreasing Flow |
| DTC P144B, P144C, P24A0, or P24A1 | DTC P144B Closed Loop Diesel Particulate Filter (DPF) Regeneration Control At Limit - Stage 1 Low Temperature DTC P144C Closed Loop Diesel Particulate Filter (DPF) Regeneration Control At Limit - Stage 1 High Temperature DTC P24A0 Closed Loop Diesel Particulate Filter (DPF) Regeneration Control At Limit - Low Temperature DTC P24A1 Closed Loop Diesel Particulate Filter (DPF) Regeneration Control At Limit - High Temperature |
| DTC P150C | DTC P150C Transmission Control Module Engine Speed Request Signal Message Counter Incorrect |
| DTC P154A | DTC P154A Intake Air Heater Feedback Circuit |
| DTC P154B | DTC P154B Intake Air Heater Voltage Signal Circuit |
| DTC P154C | DTC P154C Intake Air Heater Current Signal Circuit. |
| DTC P154D | DTC P154D Intake Air Heater Temperature Signal Circuit. |
| DTC P1591 | DTC P1591 Body Control Module Engine Speed Request Signal Message Counter Incorrect |
| DTC P160C, P268A, P268C-P268F, or P2690-P2693 | DTC P160C Engine Calibration Information Not Programmed - GPCM DTC P268A Fuel Injector Calibration Data Not Programmed DTC P268C Injector 1 Calibration Incorrect DTC P268D Injector 2 Calibration Incorrect DTC P268E Injector 3 Calibration Incorrect DTC P268F Injector 4 Calibration Incorrect DTC P2690 Injector 5 Calibration Incorrect DTC P2691 Injector 6 Calibration Incorrect DTC P2692 Injector 7 Calibration Incorrect DTC P2693 Injector 8 Calibration Incorrect |
| DTC P161A | DTC P161A Glow Plug Control Module Not Programmed |
| DTC P163C | DTC P163C Glow Plug Control Module Primary Circuit |
| DTC P163D | DTC P163D Glow Plug Control Module Secondary Circuit |
| DTC P166B | DTC P166B Intake Air Heater Over Temperature |
| DTC P168C or P168D | DTC P168C Turbocharger Boost Control Position Slow Response - Increasing Position DTC P168D Turbocharger Boost Control Position Slow Response - Decreasing Position |
| DTC P16A8 | DTC P16A8 Glow Plug Control Module Temperature - Intake Air Heater Temperature Not Plausible |
| DTC P16AA or P16AB | DTC P16AA Intake Air Heater Temperature Sensor Circuit Low Voltage. DTC P16AB Intake Air Heater Temperature Sensor Circuit HighVoltage. |
| DTC P16AD or P16AE | DTC P16AD Glow Plug Control Module Temperature Sensor Circuit Low Voltage DTC P16AE Glow Plug Control Module Temperature Sensor Circuit High Voltage |
| DTC P2002 | DTC P2002 Diesel Particulate Filter Efficiency |
| DTC P202E | DTC P202E Reductant Injector Performance |
| DTC P203B-P203D, P21AA, P21AB, P21AF, or P21B0 | DTC P203B Reductant Level Sensor Performance DTC P203C Reductant Level Sensor 1 Circuit Low Voltage DTC P203D Reductant Level Sensor 1 Circuit High Voltage DTC P21AA Reductant Level Sensor 2 Circuit Low Voltage DTC P21AB Reductant Level Sensor 2 Circuit High Voltage DTC P21AF Reductant Level Sensor 3 Circuit Low Voltage DTC P21B0 Reductant Level Sensor 3 Circuit High Voltage |
| DTC P204B | DTC P204B Reductant Pressure Sensor Performance |
| DTC P204C or P204D | DTC P204C Reductant Pressure Sensor Circuit Low Voltage DTC P204D Reductant Pressure Sensor Circuit High Voltage |
| DTC P204F, P20E8, or P20E9 | DTC P204F Reductant System Performance DTC P20E8 Reductant Low Pressure DTC P20E9 Reductant High Pressure |
| DTC P205B-P205D | DTC P205B Reductant Tank Temperature Sensor Performance DTC P205C Reductant Tank Temperature Sensor Circuit Low Voltage DTC P205D Reductant Tank Temperature Sensor Circuit High Voltage |
| DTC P2080, P2084, P242B, or P246F | DTC P2080 Exhaust Gas Temperature Sensor 1 Performance DTC P2084 Exhaust Gas Temperature Sensor 2 Performance DTC P242B Exhaust Gas Temperature Sensor 3 Performance DTC P246F Exhaust Gas Temperature Sensor 4 Performance |
| DTC P208B | DTC P208B Reductant Pump Performance |
| DTC P20A1 | DTC P20A1 Reductant Purge Valve Performance |
| DTC P20B9-P20BF or P20C0-P20C4 | DTC P20B9 Reductant Heater 1 Control Circuit DTC P20BA Reductant Heater 1 Performance DTC P20BB Reductant Heater 1 Control Circuit Low Voltage DTC P20BC Reductant Heater 1 Control Circuit High Voltage DTC P20BD Reductant Heater 2 Control Circuit DTC P20BF Reductant Heater 2 Control Circuit Low Voltage DTC P20C0 Reductant Heater 2 Control Circuit High Voltage DTC P20C1 Reductant Heater 3 Control Circuit DTC P20C3 Reductant Heater 3 Control Circuit Low Voltage DTC P20C4 Reductant Heater 3 Control Circuit High Voltage |
| DTC P20CC | DTC P20CC Exhaust Aftertreatment Fuel Injector Performance |
| DTC P20EE, P249D, P249E, or P2BAD | DTC P20EE NOx Catalyst Efficiency Below Threshold DTC P249D Closed Loop Reductant Injection Control At Limit - Flow Too Low DTC P249E Closed Loop Reductant Injection Control At Limit - Flow Too High DTC P2BAD Exhaust NOx Concentration High-Unknown Reason |
| DTC P2122, P2123, P2127, P2128, or P2138 | DTC P2122 Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage DTC P2123 Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage DTC P2127 Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage DTC P2128 Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage DTC P2138 Accelerator Pedal Position (APP) Sensors 1-2 Not Plausible |
| DTC P2146, P2149, P2152, or P2155 | DTC P2146 Injector High Control Circuit Group 1 DTC P2149 Injector High Control Circuit Group 2 DTC P2152 Injector High Control Circuit Group 3 DTC P2155 Injector High Control Circuit Group 4 |
| DTC P214F, P21DD, or P221C-P221F | DTC P214F Reductant Heater 1 Current High DTC P21DD Reductant Heater 1 Current Low DTC P221C Reductant Heater 2 Current Low DTC P221D Reductant Heater 2 Current High DTC P221E Reductant Heater 3 Current Low DTC P221F Reductant Heater 3 Current High |
| DTC P2199 | DTC P2199 Intake Air Temperature (IAT) Sensor 1-2 Correlation |
| DTC P2200, P2202, P2203, P229E, P22A0, or P22A1 | DTC P2200 NOx Sensor 1 Circuit DTC P229E NOx Sensor 2 Circuit DTC P2202 NOx Sensor 1 Circuit Low Voltage DTC P2203 NOx Sensor 1 Circuit High Voltage DTC P22A0 NOx Sensor 2 Circuit Low Voltage DTC P22A1 NOx Sensor 2 Circuit High Voltage |
| DTC P2201 or P22FA | DTC P2201 NOx Sensor 1 Performance DTC P22FA NOx Sensor 1 Performance - Slow Response High to Low |
| DTC P2205, P2209, P22A3, or P22A7 | DTC P2205 NOx Sensor 1 Heater Control Circuit DTC P2209 NOx Sensor 1 Heater Feedback Performance DTC P22A3 NOx Sensor 2 Heater Control Circuit DTC P22A7 NOx Sensor 2 Heater Feedback Performance |
| DTC P220A or P220B | DTC P220A NOx Sensor 1 Supply Voltage Circuit DTC P220B NOx Sensor 2 Supply Voltage Circuit |
| DTC P2228 or P2229 | DTC P2228 Barometric Pressure (BARO) Sensor Circuit Low Voltage DTC P2229 Barometric Pressure (BARO) Sensor Circuit High Voltage |
| DTC P2263 | DTC P2263 Turbocharger Boost System Performance |
| DTC P2266 | DTC P2266 Water in Fuel Sensor Circuit Low Voltage |
| DTC P2428 | DTC P2428 Exhaust Gas High Temperature |
| DTC P2453 | DTC P2453 Diesel Particulate Filter (DPF) Differential Pressure Sensor Performance |
| DTC P2454 or P2455 | DTC P2454 Diesel Particulate Filter Differential Pressure Sensor Circuit Low Voltage DTC P2455 Diesel Particulate Filter Differential Pressure Sensor Circuit High Voltage |
| DTC P2457 | DTC P2457 Exhaust Gas Recirculation (EGR) Cooler Low Efficiency |
| DTC P2459 | DTC P2459 Diesel Particulate Filter Regeneration Too Often |
| DTC P2463 | DTC P2463 Diesel Particulate Filter Soot Level Accumulation |
| DTC P2510 | DTC P2510 Engine Control Module Relay Circuit |
| DTC P2544 | DTC P2544 Transmission Torque Request Signal Message Counter Incorrect |
| DTC P2564 or P2565 | DTC P2564 Turbocharger Vane Position Sensor Circuit Low Voltage DTC P2565 Turbocharger Vane Position Sensor Circuit High Voltage |
| DTC P2598 or P2599 | DTC P2598 Turbocharger Boost Control Position Performance - Low Position DTC P2599 Turbocharger Boost Control Position Performance - High Position |