Engine Diagnostic Codes (P0XXX)

Complete list of engine diagnostic trouble codes (P0XXX). Browse powertrain codes for engine, transmission, and emission control systems.

Popular Engine Codes

P0100

Mass Air Flow Circuit

Mass or Volume Air Flow Circuit malfunction

P0171

System Too Lean (Bank 1)

System too Lean (Bank 1)

P0300

Random/Multiple Cylinder Misfire

Random/Multiple Cylinder Misfire Detected

P0420

Catalyst System Efficiency

Catalyst System Efficiency Below Threshold (Bank 1)

P0442

EVAP System Leak

Evaporative Emission Control System Leak Detected (small leak)

Complete Engine Codes Index

Browse all available engine diagnostic trouble codes (P0XXX) organized by system:

Showing codes 8201-8300 of 12293 total codes

P20XX Engine Control System

P2008
P2008 indicates a performance problem with the intake manifold flap control s...
P2009
P2009 indicates that the intake manifold runner control is stuck open,
P200A
The P200A code indicates a malfunction in the intake manifold runner control ...
P200B
The P200B code indicates a problem with the intake manifold runner control sy...
P200C
The P200C code indicates a malfunction in the intake manifold runner control ...
P200D
P200D indicates a malfunction in the intake manifold runner control system.
P200E
P200E indicates a malfunction in the intake manifold runner control system,
P200F
P200F indicates a malfunction in the Intake Manifold Runner Control system.
P2010
P2010 indicates an issue with the intake manifold runner position sensor,
P2011
P2011 indicates a problem with the intake manifold runner position sensor.
P2012
The P2012 code signifies a problem with the intake manifold runner position s...
P2013
P2013 indicates a problem with the intake manifold runner position sensor or ...
P2014
P2014 indicates a malfunction related to the intake manifold runner's positio...
P2015
DTC P2015 indicates a problem with the intake manifold runner position sensor...
P2016
P2016 indicates a performance issue with the intake manifold runner position ...
P2017
P2017 refers to an issue with the intake manifold runner position sensor,
P2018
P2018 indicates a problem with the intake manifold runner position sensor or ...
P2019
DTC P2019 refers to a malfunction in the intake manifold runner position sens...
P201A
The P201A code indicates a problem with the intake manifold runner position s...
P201B
P201B indicates a malfunction in the intake manifold runner control position ...
P201C
The P201C code indicates a malfunction in the intake manifold runner position...
P201D
P201D indicates a malfunction in the intake manifold runner position sensor c...
P201E
The P201E code signifies a problem with the intake manifold runner position s...
P201F
P201F indicates a problem with the intake manifold runner position sensor,
P2020
P2020 indicates a problem with the diesel exhaust fluid quality sensor circuit.
P2021
P2021 refers to a malfunction in the fuel level sensor circuit.
P2022
P2022 indicates a problem with the diesel exhaust fluid quality sensor circui...
P2023
P2023 indicates a fault with the exhaust gas temperature sensor circuit.
P2024
P2024 signifies a problem with the diesel exhaust fluid quality sensor.
P2025
P2025 refers to a malfunction in the exhaust gas temperature sensor circuit.
P2026
The P2026 code indicates a problem with the diesel exhaust fluid quality sensor.
P2027
P2027 signifies a problem with the Diesel Exhaust Fluid quality sensor in die...
P2028
The P2028 code indicates a problem with the diesel exhaust fluid (DEF) qualit...
P2029
The P2029 code indicates a DEF quality issue detected by the vehicle's sensor.
P202A
P202A indicates a problem with the diesel exhaust fluid quality sensor,
P202B
P202B indicates a problem with the intake air temperature sensor circuit.
P202C
P202C indicates a fault in the diesel exhaust fluid quality sensor,
P202D
P202D indicates a malfunction in the diesel exhaust fluid system,
P202E
The diagnostic trouble code (DTC) P202E is related to the diesel exhaust flui...
P202F
P202F indicates a performance issue with the reductant injector in the diesel...
P2030
The P2030 code indicates a malfunction in the exhaust gas temperature sensor ...
P2031
P2031 indicates a problem with the DEF temperature sensor circuit in diesel v...
P2032
DTC P2032 indicates a high voltage signal from the exhaust gas temperature se...
P2033
DTC P2033 indicates a problem with the Diesel Exhaust Fluid quality sensor,
P2034
P2034 indicates a problem with the Diesel Exhaust Fluid temperature sensor,
P2035
P2035 indicates a problem with the DEF quality sensor's performance.
P2036
DTC P2036 indicates a malfunction with the exhaust gas temperature sensor,
P2037
P2037 indicates a problem with the diesel exhaust fluid quality sensor,
P2038
P2038 indicates a high voltage from the exhaust gas temperature sensor circuit.
P2039
P2039 indicates a problem with the diesel exhaust fluid temperature sensor ra...
P203A
The P203A code refers to a malfunction in the Diesel Particulate Filter (DPF)...
P203B
P203B indicates a problem with the diesel exhaust fluid quality sensor.
P203C
DTC P203C indicates a problem with the Diesel Particulate Filter temperature ...
P203D
P203D indicates a malfunction with the Exhaust Gas Temperature Sensor located...
P203E
P203E indicates a performance issue with the diesel exhaust fluid quality sen...
P203F
The P203F code indicates a problem with the DPF pressure sensor,
P2040
P2040 indicates a performance issue with the diesel exhaust fluid sensor circ...
P2041
P2041 indicates a problem with the diesel exhaust fluid quality sensor,
P2042
P2042 indicates a problem with the diesel particulate filter position sensor ...
P2043
Indicates the sensor isn't reporting the correct quality of the DEF fluid to ...
P2044
P2044 indicates an issue with the exhaust gas temperature sensor's range or p...
P2045
DTC P2045 indicates a malfunction in the exhaust gas temperature sensor circuit.
P2046
P2046 indicates a problem with the diesel exhaust fluid quality sensor,
P2047
P2047 indicates a problem with the diesel exhaust fluid dosing system,
P2048
P2048 indicates a malfunction with the diesel exhaust fluid quality sensor,
P2049
P2049 indicates a problem with the exhaust gas temperature sensor circuit.
P204A
The P204A code indicates an issue with the Exhaust Gas Temperature sensor,
P204B
The P204B code indicates a problem with the diesel particulate filter sensor ...
P204C
The P204C code indicates an issue with the EGR sensor's performance,
P204D
P204D indicates a problem with the exhaust gas temperature sensor circuit rel...
P204E
P204E is a diagnostic trouble code indicating an exhaust gas temperature sens...
P204F
DTC P204F indicates a performance issue with the diesel particulate filter sy...
P2050
DTC P2050 indicates a problem with the Diesel Exhaust Fluid Quality Sensor.
P2051
P2051 indicates a problem with the NOx sensor circuit in the exhaust system.
P2052
P2052 indicates a low quality of Diesel Exhaust Fluid (DEF) detected by the v...
P2053
P2053 indicates a problem with the Diesel Exhaust Fluid quality sensor,
P2054
P2054 indicates a problem with the reductant injector performance in the emis...
P2055
P2055 refers to a malfunction in the Diesel Exhaust Fluid temperature sensor,...
P2056
P2056 indicates a performance issue with the exhaust gas temperature sensor c...
P2057
P2057 indicates a malfunction in the diesel exhaust fluid injector circuit,
P2058
P2058 indicates a problem with the diesel exhaust fluid quality sensor.
P2059
P2059 indicates a problem with the diesel exhaust fluid quality sensor.
P205A
P205A indicates a problem with the diesel exhaust fluid injection system.
P205B
P205B indicates a fault with the Diesel Exhaust Fluid quality sensor.
P205C
The P205C code indicates a problem with your vehicle's Diesel Exhaust Fluid q...
P205D
P205D indicates an issue with the diesel exhaust fluid quality sensor.
P205E
DTC P205E indicates an issue with the reductant quality sensor in diesel engi...
P205F
The P205F code means there is a problem with the Diesel Exhaust Fluid pressur...
P2060
P2060 indicates a performance issue with the diesel fuel rail pressure sensor.
P2061
DTC P2061 indicates a fuel level sensor problem.
P2062
P2062 indicates a problem with the Diesel Exhaust Fluid quality sensor circui...
P2063
P2063 indicates a fuel level sensor range/performance problem.
P2064
DTC P2064 indicates a malfunction in the fuel level sensor circuit.
P2065
P2065 indicates an issue with the diesel exhaust fluid heater control circuit.
P2066
Indicates a problem with the Diesel Exhaust Fluid (DEF) quality sensor.
P2067
P2067 indicates a problem with the fuel level sensor's range or performance.
P2068
P2068 indicates a problem with the fuel level sensor's performance or range.
P2069
P2069 indicates a fuel level sensor performance issue, which can cause inaccu...
P206A
P206A indicates an issue with the fuel level sensor's performance,
P206B
P206B indicates a problem with the diesel exhaust fluid quality sensor.
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