01 How to Choose the Right Spark Plug Gap for Your Engine • 02 12 Reasons Why Your Car Won’t Start • 03 Spark Plug Change: Should You Also Replace Ignition Coils T… • 04 MAF vs. MAP Sensors: Unraveling the Key Differences • 05 The $30 Device That's Making Car Thieves Invisible to Police • 06 Tom Cruise Is Back Behind The Wheel: Days Of Thunder 2 Anno… • 07 Why Does My Check Engine Light Come On After Rain? • 08 Mechanics Warn This One Habit Completely Destroys Automatic… • 09 Are Modern Cars Too Complicated? A Real-World Review • 10 Engineers Reveal Why Most Car Doors Are Designed To Rip Apa… •

DTC codes / Every DTC code in the library

Every DTC code in the library

All 12,460 codes, generic and manufacturer-specific, in order. Filter by system or use the scanner to jump straight to one.

P20DD Exhaust Aftertreatment Fuel Pressure Sensor Circuit Powertrain P20DE Exhaust Aftertreatment Fuel Pressure Sensor Circuit Range/Performance Powertrain P20DF Exhaust Aftertreatment Fuel Pressure Sensor Circuit Low Powertrain P20E0 Reductant Pressure Too Low Powertrain P20E1 Reductant Pressure Too Low Powertrain P20E2 Reductant Pressure Too High Powertrain P20E3 Exhaust Gas Temperature Sensor 1/3 Correlation (Bank 1) Powertrain P20E4 Exhaust Gas Temperature Sensor 2/3 Correlation (Bank 1) Powertrain P20E5 Exhaust Gas Temperature Sensor 1/2 Correlation (Bank 2) Powertrain P20E6 Reductant Injection Air Pressure Too Low Powertrain P20E7 Reductant Injection Air Pressure Too High Powertrain P20E8 Reductant Pressure Too Low Powertrain P20E9 Reductant Pressure Too High Powertrain P20EA Reductant Pump Control Circuit Open Powertrain P20EB Reductant Reservoir Heater "A" Control Circuit Powertrain P20EC Reductant Heater "A" Control Stuck Off Powertrain P20ED Reductant Heater "A" Control Stuck On Powertrain P20EE NOx Catalyst Efficiency Below Threshold (Bank 1) Powertrain P20EF Reductant Injection Valve Performance Powertrain P20F0 SCR NOx Catalyst Over Temperature (Bank 2) Powertrain P20F1 SCR NOx Pre-Catalyst Over Temperature (Bank 2) Powertrain P20F2 SCR NOx Catalyst Efficiency Below Threshold (Bank 2) Powertrain P20F3 SCR NOx Pre-Catalyst Efficiency Below Threshold (Bank 2) Powertrain P20F4 Reductant Consumption Too Low Powertrain P20F5 Reductant Consumption Too High Powertrain P20F6 Reductant Injection Valve Stuck Open (Bank 1 Unit 1) Powertrain P20F7 Reductant Injection Valve Stuck Open (Bank 2 Unit 1) Powertrain P20F8 Intake Manifold Runner Control Circuit Performance (Bank 1) Powertrain P20F9 Intake Manifold Runner Control Circuit Performance (Bank 2) Powertrain P20FA Reductant Pump B Control Circuit/Open Powertrain P20FB Reductant Pump B Control Performance/Stuck Off Powertrain P20FC Reductant Pump B Control Circuit Low Powertrain P20FD Reductant Pump B Control Circuit High Powertrain P20FE Reductant Metering Unit 1 Performance Powertrain P20FF Reductant Control Module Performance Powertrain P2100 Throttle Actuator Control Motor Circuit/Open Powertrain P2101 Throttle Actuator Control Motor Circuit Range/Performance Powertrain P2102 Throttle Actuator Control Motor Circuit Low Powertrain P2103 Throttle Actuator Control Motor Circuit High Powertrain P2104 Throttle Actuator Control System - Forced Idle Powertrain P2105 Throttle Actuator Control System - Forced Engine Shutdown Powertrain P2106 Throttle Actuator Control System - Forced Limited Power Powertrain P2107 Throttle Actuator Control Module Processor Powertrain P2108 Throttle Actuator Control Module Performance Powertrain P2109 Throttle/Pedal Position Sensor 'A' Minimum Stop Performance Powertrain P210A Throttle Actuator B Control Motor Circuit/Open Powertrain P210B Throttle Actuator B Control Motor Circuit Range/Performance Powertrain P210C Throttle Actuator B Control Motor Circuit Low Powertrain P210D Throttle Actuator B Control Motor Circuit High Powertrain P210E Throttle/Pedal Position Sensor/Switch C/F Voltage Correlation Powertrain P210F Throttle Actuator B Control System - Forced Limited RPM Powertrain P2110 Throttle Actuator Control System - Forced Limited RPM Powertrain P2111 Throttle Actuator Control System - Unable to Open Powertrain P2112 Throttle Actuator Control System - Unable to Close Powertrain P2113 Throttle/Pedal Position Sensor 'B' Minimum Stop Performance Powertrain P2114 Throttle/Pedal Position Sensor 'C' Minimum Stop Performance Powertrain P2115 Throttle/Pedal Position Sensor 'D' Minimum Stop Performance Powertrain P2116 Throttle/Pedal Position Sensor 'E' Minimum Stop Performance Powertrain P2117 Throttle/Pedal Position Sensor 'F' Minimum Stop Performance Powertrain P2118 Throttle Actuator Control Motor Current Range/Performance Powertrain P2119 Throttle Actuator Control Throttle Body Range/Performance Powertrain P211A Throttle Actuator B Control System - Stuck Open Powertrain P211B Throttle Actuator B Control System - Stuck Closed Powertrain P211C Throttle Actuator B Control Motor Current Range/Performance Powertrain P211D Throttle Actuator B Control Throttle Body Range/Performance Powertrain P211E Throttle Actuator B Control Module Processor Powertrain P211F Throttle Actuator B Control Module Performance Powertrain P2120 Throttle/Pedal Position Sensor/Switch 'D' Circuit Powertrain P2121 Throttle/Pedal Position Sensor/Switch 'D' Circuit Range/Performance Powertrain P2122 Accelerator Pedal Position Sensor D Circuit Low Powertrain P2123 Accelerator Pedal Position Sensor D Circuit High Powertrain P2124 Throttle/Pedal Position Sensor/Switch 'D' Circuit Intermittent Powertrain P2125 Throttle/Pedal Position Sensor/Switch 'E' Circuit Powertrain P2126 Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance Powertrain P2127 Accelerator Pedal Position Sensor E Circuit Low Powertrain P2128 Accelerator Pedal Position Sensor E Circuit High Powertrain P2129 Throttle/Pedal Position Sensor/Switch 'E' Circuit Intermittent Powertrain P212A Throttle Position Sensor/Switch G Circuit Powertrain P212B Throttle Position Sensor/Switch G Circuit Range/Performance Powertrain P212C Throttle Position Sensor/Switch G Circuit Low Powertrain P212D Throttle Position Sensor/Switch G Circuit High Powertrain P212E Throttle Position Sensor/Switch G Circuit Intermittent Powertrain P212F Throttle/Pedal Position Sensor/Switch F/G Voltage Correlation Powertrain P2130 Throttle/Pedal Position Sensor/Switch 'F' Circuit Powertrain P2131 Throttle/Pedal Position Sensor/Switch 'F' Circuit Range Performance Powertrain P2132 Throttle/Pedal Position Sensor/Switch 'F' Circuit Low Input Powertrain P2133 Throttle/Pedal Position Sensor/Switch 'F' Circuit High Input Powertrain P2134 Throttle/Pedal Position Sensor/Switch 'F' Circuit Intermittent Powertrain P2135 Throttle/Pedal Position Sensor A/B Voltage Correlation Powertrain P2136 Throttle/Pedal Position Sensor/Switch 'A' / 'C' Voltage Correlation Powertrain P2137 Throttle/Pedal Position Sensor/Switch 'B' / 'C' Voltage Correlation Powertrain P2138 Throttle/Pedal Position Sensor D/E Voltage Correlation Powertrain P2139 Throttle/Pedal Position Sensor/Switch 'D' / 'F' Voltage Correlation Powertrain P213A EGR Throttle Control Circuit B/Open Powertrain P213B EGR Throttle Control Circuit B Range/Performance Powertrain P213C EGR Throttle Control Circuit B Low Powertrain P213D EGR Throttle Control Circuit B High Powertrain P213E Fuel Injection System Fault - Forced Engine Shutdown Powertrain P213F Fuel Pump System Fault - Forced Engine Shutdown Powertrain P2140 Throttle/Pedal Position Sensor/Switch 'E' / 'F' Voltage Correlation Powertrain
Running on fumes Free guides aren't free to make. Top up the tank. Any amount, one time. Fuel the Garage