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
P0375 P-Code Powertrain Timing Reference Engine Control Module Timing Reference High Resolution Signal B Malfunction
P0376 P-Code Powertrain Timing Reference Engine Control Module Timing Reference High Resolution Signal B Too Many Pulses
P0377 P-Code Powertrain Timing Reference Engine Control Module Timing Reference High Resolution Signal B Too Few Pulses
P0378 P-Code Powertrain Timing Reference Engine Control Module Timing Reference High Resolution Signal B Intermittent/Erratic Pulses
P0379 P-Code Powertrain Timing Reference Engine Control Module Timing Reference High Resolution Signal B No Pulses
P0380 P-Code Powertrain Glow Plug/Heater Engine Control Module Glow Plug/Heater Circuit "A" Malfunction
P0381 P-Code Powertrain Glow Plug/Heater Engine Control Module Glow Plug/Heater Indicator Circuit Malfunction
P0382 P-Code Powertrain Glow Plug/Heater Engine Control Module Glow Plug/Heater Circuit "B" Malfunction
P0385 P-Code Powertrain Crankshaft Position Engine Control Module Crankshaft Position Sensor B Circuit Malfunction
P0386 P-Code Powertrain Crankshaft Position Engine Control Module Crankshaft Position Sensor B Circuit Range/Performance
P0387 P-Code Powertrain Crankshaft Position Engine Control Module Crankshaft Position Sensor B Circuit Low Input
P0388 P-Code Powertrain Crankshaft Position Engine Control Module Crankshaft Position Sensor B Circuit High Input
P0389 P-Code Powertrain Crankshaft Position Engine Control Module Crankshaft Position Sensor B Circuit Intermittent
P0400 P-Code Powertrain Exhaust Gas Recirculation Engine Control Module Exhaust Gas Recirculation Flow Malfunction
P0401 P-Code Powertrain Exhaust Gas Recirculation Engine Control Module Exhaust Gas Recirculation Flow Insufficient Detected
P0402 P-Code Powertrain Exhaust Gas Recirculation Engine Control Module Exhaust Gas Recirculation Flow Excessive Detected
P0403 P-Code Powertrain Exhaust Gas Recirculation Engine Control Module Exhaust Gas Recirculation Circuit Malfunction
P0404 P-Code Powertrain Exhaust Gas Recirculation Engine Control Module Exhaust Gas Recirculation Circuit Range/Performance
P0405 P-Code Powertrain Exhaust Gas Recirculation Engine Control Module Exhaust Gas Recirculation Sensor A Circuit Low
P0406 P-Code Powertrain Exhaust Gas Recirculation Engine Control Module Exhaust Gas Recirculation Sensor A Circuit High