01 Can a Bad Alternator Cause Power Steering Problems? • 02 This Is Why Your Car Jerks When You Accelerate (Causes & Fi… • 03 LED Headlights Seem Perfect Until You Encounter These Commo… • 04 What is a Hybrid Car? Unlocking the Power of Efficiency and… • 05 Understanding Why Brake Calipers Are Sticking When Hot • 06 How Old Fuel Can Harm Your Engine and What to Do About It • 07 You Might Stall On The Highway If You Keep Ignoring That Ra… • 08 Is Your Car Alternator Dying? Symptoms, Causes, and Solutio… • 09 Engine Remapping: What It Is, How It Works, and the Pros an… • 10 Shady Secrets: What Mechanics Won't Tell You About Your Car •

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.

P2141 Exhaust Gas Recirculation Throttle Control Circuit Low Powertrain P2142 Exhaust Gas Recirculation Throttle Control Circuit High Powertrain P2143 Exhaust Gas Recirculation Vent Control Circuit/Open Powertrain P2144 Exhaust Gas Recirculation Vent Control Circuit Low Powertrain P2145 Exhaust Gas Recirculation Vent Control Circuit High Powertrain P2146 Fuel Injector Group 'A' Supply Voltage Circuit/Open Powertrain P2147 Fuel Injector Group 'A' Supply Voltage Circuit Low Powertrain P2148 Fuel Injector Group 'A' Supply Voltage Circuit High Powertrain P2149 Fuel Injector Group 'B' Supply Voltage Circuit/Open Powertrain P214A SCR NOx Catalyst Inlet Temperature Too High Powertrain P214B SCR NOx Catalyst Inlet Temperature Too High During Particulate Filter Regeneration Powertrain P214C SCR NOx Catalyst Outlet Temperature Too High Powertrain P214D SCR NOx Catalyst Outlet Temperature Too High During Particulate Filter Regeneration Powertrain P214E Reductant Pump A Current Too High Powertrain P214F Reductant Heater A Current Too High Powertrain P2150 Fuel Injector Group 'B' Supply Voltage Circuit Low Powertrain P2151 Fuel Injector Group 'B' Supply Voltage Circuit High Powertrain P2152 Fuel Injector Group 'C' Supply Voltage Circuit/Open Powertrain P2153 Fuel Injector Group 'C' Supply Voltage Circuit Low Powertrain P2154 Fuel Injector Group 'C' Supply Voltage Circuit High Powertrain P2155 Fuel Injector Group 'D' Supply Voltage Circuit/Open Powertrain P2156 Fuel Injector Group 'D' Supply Voltage Circuit Low Powertrain P2157 Fuel Injector Group 'D' Supply Voltage Circuit High Powertrain P2158 Vehicle Speed Sensor 'B' Powertrain P2159 Vehicle Speed Sensor 'B' Range/Performance Powertrain P215A Vehicle Speed - Wheel Speed Correlation Powertrain P215B Vehicle Speed - Output Shaft Speed Correlation Powertrain P215C Output Shaft Speed - Wheel Speed Correlation Powertrain P215D Reductant Pump B Stuck On Powertrain P215E Reductant Heater D Current Too Low Powertrain P215F Reductant Heater D Current Too High Powertrain P2160 Vehicle Speed Sensor 'B' Circuit Low Powertrain P2161 Vehicle Speed Sensor 'B' Intermittent/Erratic Powertrain P2162 Vehicle Speed Sensor 'A' / 'B' Correlation Powertrain P2163 Throttle/Pedal Position Sensor 'A' Maximum Stop Performance Powertrain P2164 Throttle/Pedal Position Sensor 'B' Maximum Stop Performance Powertrain P2165 Throttle/Pedal Position Sensor 'C' Maximum Stop Performance Powertrain P2166 Throttle/Pedal Position Sensor 'D' Maximum Stop Performance Powertrain P2167 Throttle/Pedal Position Sensor 'E' Maximum Stop Performance Powertrain P2168 Throttle/Pedal Position Sensor 'F' Maximum Stop Performance Powertrain P2169 Exhaust Pressure Regulator Vent Solenoid Control Circuit/Open Powertrain P216A Fuel Injector Group E Supply Voltage Circuit/Open Powertrain P216B Fuel Injector Group E Supply Voltage Circuit Low Powertrain P216C Fuel Injector Group E Supply Voltage Circuit High Powertrain P216D Fuel Injector Group F Supply Voltage Circuit/Open Powertrain P216E Fuel Injector Group F Supply Voltage Circuit Low Powertrain P216F Fuel Injector Group F Supply Voltage Circuit High Powertrain P2170 Exhaust Pressure Regulator Vent Solenoid Control Circuit Low Powertrain P2171 Exhaust Pressure Regulator Vent Solenoid Control Circuit High Powertrain P2172 Throttle Actuator Control System - Sudden High Airflow Detected Powertrain P2173 Throttle Actuator Control System - High Airflow Detected Powertrain P2174 Throttle Actuator Control System - Sudden Low Airflow Detected Powertrain P2175 Throttle Actuator Control System - Low Airflow Detected Powertrain P2176 Throttle Actuator Control System - Idle Position Not Learned Powertrain P2177 System Too Lean Off Idle (Bank 1) Powertrain P2178 System Too Rich Off Idle (Bank 1) Powertrain P2179 System Too Lean Off Idle (Bank 2) Powertrain P217A Fuel Injector Group G Supply Voltage Circuit/Open Powertrain P217B Fuel Injector Group G Supply Voltage Circuit Low Powertrain P217C Fuel Injector Group G Supply Voltage Circuit High Powertrain P217D Fuel Injector Group H Supply Voltage Circuit/Open Powertrain P217E Fuel Injector Group H Supply Voltage Circuit Low Powertrain P217F Fuel Injector Group H Supply Voltage Circuit High Powertrain P2180 System Too Rich Off Idle (Bank 2) Powertrain P2181 Cooling System Performance Powertrain P2182 Engine Coolant Temperature Sensor 2 Circuit Powertrain P2183 Engine Coolant Temperature Sensor 2 Circuit Range/Performance Powertrain P2184 Engine Coolant Temperature Sensor 2 Circuit Low Powertrain P2185 Engine Coolant Temperature Sensor 2 Circuit High Powertrain P2186 Engine Coolant Temperature Sensor 2 Circuit Intermittent/Erratic Powertrain P2187 System Too Lean at Idle (Bank 1) Powertrain P2188 System Too Rich at Idle (Bank 1) Powertrain P2189 System Too Lean at Idle (Bank 2) Powertrain P218A Throttle Actuator B Control System - Idle Position Not Learned Powertrain P218B Throttle/Fuel Inhibit B Circuit Powertrain P218C Throttle/Fuel Inhibit B Circuit Range/Performance Powertrain P218D Throttle/Fuel Inhibit B Circuit Low Powertrain P218E Throttle/Fuel Inhibit B Circuit High Powertrain P218F Reductant No Flow Detected Powertrain P2190 System Too Rich at Idle (Bank 2) Powertrain P2191 System Too Lean at Higher Load (Bank 1) Powertrain P2192 System Too Rich at Higher Load (Bank 1) Powertrain P2193 System Too Lean at Higher Load (Bank 2) Powertrain P2194 System Too Rich at Higher Load (Bank 2) Powertrain P2195 O2 Sensor Signal Stuck Lean (Bank 1 Sensor 1) Powertrain P2196 O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1) Powertrain P2197 O2 Sensor Signal Stuck Lean (Bank 2 Sensor 1) Powertrain P2198 O2 Sensor Signal Stuck Rich (Bank 2 Sensor 1) Powertrain P2199 Intake Air Temperature Sensor 1 / 2 Correlation Powertrain P219A Bank 1 Air-Fuel Ratio Imbalance Powertrain P219B Bank 2 Air-Fuel Ratio Imbalance Powertrain P219C Cylinder 1 Air-Fuel Ratio Imbalance Powertrain P219D Cylinder 2 Air-Fuel Ratio Imbalance Powertrain P219E Cylinder 3 Air-Fuel Ratio Imbalance Powertrain P219F Cylinder 4 Air-Fuel Ratio Imbalance Powertrain P21A0 Cylinder 5 Air-Fuel Ratio Imbalance Powertrain P21A1 Cylinder 6 Air-Fuel Ratio Imbalance Powertrain P21A2 Cylinder 7 Air-Fuel Ratio Imbalance Powertrain P21A3 Cylinder 8 Air-Fuel Ratio Imbalance Powertrain P21A4 Cylinder 9 Air-Fuel Ratio Imbalance Powertrain
Running on fumes Free guides aren't free to make. Top up the tank. Any amount, one time. Fuel the Garage