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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All DTC Codes

Code Type System System Name Module Message
P1402 P-Code Powertrain EGR Metering Orifice Restricted Engine Control Module EGR Metering Orifice Restricted
P1403 P-Code Powertrain DPFE Sensor Hoses Reversed Engine Control Module DPFE Sensor Hoses Reversed
P1404 P-Code Powertrain Exhaust Flap Position Sensor Circuit Malfunction (some manufacturers) Engine Control Module Exhaust Flap Position Sensor Circuit Malfunction (some manufacturers)
P1405 P-Code Powertrain DPFE Sensor Upstream Hose Off Or Plugged Engine Control Module DPFE Sensor Upstream Hose Off Or Plugged
P1406 P-Code Powertrain Exhaust Gas Recirculation (EGR) Position Sensor Performance Engine Control Module Exhaust Gas Recirculation (EGR) Position Sensor Performance
P1407 P-Code Powertrain EGR No Flow Detected Engine Control Module EGR No Flow Detected
P1408 P-Code Powertrain EGR Flow Out Of Self Test Range Engine Control Module EGR Flow Out Of Self Test Range
P1409 P-Code Powertrain EVR Control Circuit Malfunction Engine Control Module EVR Control Circuit Malfunction
P1411 P-Code Powertrain SAI System Incorrect Downstream Flow Detected Engine Control Module SAI System Incorrect Downstream Flow Detected
P1413 P-Code Powertrain SAI System Monitor Circuit Low Input Engine Control Module SAI System Monitor Circuit Low Input
P1414 P-Code Powertrain SAI System Monitor Circuit High Input Engine Control Module SAI System Monitor Circuit High Input
P1415 P-Code Powertrain Air Pump Circuit Malfunction / (AIR) System Bank 1 Engine Control Module Air Pump Circuit Malfunction / (AIR) System Bank 1
P1416 P-Code Powertrain Port Air Circuit Malfunction / (AIR) System Bank 2 Engine Control Module Port Air Circuit Malfunction / (AIR) System Bank 2
P1417 P-Code Powertrain Port Air Relief Circuit Malfunction Engine Control Module Port Air Relief Circuit Malfunction
P1418 P-Code Powertrain Split Air #1 Circuit Malfunction Engine Control Module Split Air #1 Circuit Malfunction
P1419 P-Code Powertrain Split Air #2 Circuit Malfunction Engine Control Module Split Air #2 Circuit Malfunction
P1420 P-Code Powertrain Catalyst Temperature Sensor Failure Engine Control Module Catalyst Temperature Sensor Failure
P1421 P-Code Powertrain Catalyst Damage Engine Control Module Catalyst Damage
P1422 P-Code Powertrain EGI Temperature Sensor Failure Engine Control Module EGI Temperature Sensor Failure
P1423 P-Code Powertrain EGI Functionality Test Failed Engine Control Module EGI Functionality Test Failed