Diagnostic Trouble Code Search

Find detailed information about vehicle diagnostic trouble codes (DTCs). Enter a code or select a make to search our comprehensive database.

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DTC Code Format Guide
P Powertrain
B Body
C Chassis
U Network

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P Codes

Code Type System System Name Module Message
P0166 P-Code Powertrain O2 Sensor Engine Control Module O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
P0167 P-Code Powertrain O2 Sensor Engine Control Module O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)
P0170 P-Code Powertrain Fuel Trim Engine Control Module Fuel Trim Malfunction (Bank 1)
P0171 P-Code Powertrain Fuel Trim Engine Control Module System Too Lean (Bank 1)
P0172 P-Code Powertrain Fuel Trim Engine Control Module System Too Rich (Bank 1)
P0173 P-Code Powertrain Fuel Trim Engine Control Module Fuel Trim Malfunction (Bank 2)
P0174 P-Code Powertrain Fuel Trim Engine Control Module System Too Lean (Bank 2)
P0175 P-Code Powertrain Fuel Trim Engine Control Module System Too Rich (Bank 2)
P0176 P-Code Powertrain Fuel Composition Engine Control Module Fuel Composition Sensor Circuit Malfunction
P0177 P-Code Powertrain Fuel Composition Engine Control Module Fuel Composition Sensor Circuit Range/Performance
P0178 P-Code Powertrain Fuel Composition Engine Control Module Fuel Composition Sensor Circuit Low Input
P0179 P-Code Powertrain Fuel Composition Engine Control Module Fuel Composition Sensor Circuit High Input
P0180 P-Code Powertrain Fuel Temperature Engine Control Module Fuel Temperature Sensor A Circuit Malfunction
P0181 P-Code Powertrain Fuel Temperature Engine Control Module Fuel Temperature Sensor A Circuit Performance
P0182 P-Code Powertrain Fuel Temperature Engine Control Module Fuel Temperature Sensor A Circuit low Input
P0183 P-Code Powertrain Fuel Temperature Engine Control Module Fuel Temperature Sensor A Circuit High Input
P0184 P-Code Powertrain Fuel Temperature Engine Control Module Fuel Temperature Sensor A Circuit Intermittent
P0185 P-Code Powertrain Fuel Temperature Engine Control Module Fuel Temperature Sensor B Circuit Malfunction
P0186 P-Code Powertrain Fuel Temperature Engine Control Module Fuel Temperature Sensor B Circuit Range/Performance
P0187 P-Code Powertrain Fuel Temperature Engine Control Module Fuel Temperature Sensor U Circuit Low Input