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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.

P2399 Diesel Intake Air Flow B Position Sensor Circuit High Powertrain P239A Diesel Intake Air Flow B Position Sensor Circuit Intermittent or Erratic Powertrain P239B Diesel Intake Air Flow B Control Motor Current Range or Performance Powertrain P239C Diesel Intake Air Flow B Control System High Air Flow Detected Powertrain P239D Diesel Intake Air Flow B Control System Low Air Flow Detected Powertrain P239E O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2 Powertrain P239F O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2 Powertrain P23A0 O2 Sensor Exhaust Sample Error Bank 1 Sensor 2 Powertrain P23A1 O2 Sensor Exhaust Sample Error Bank 2 Sensor 2 Powertrain P23A2 Exhaust Heat Exchanger Bypass Valve B Control Circuit Open Powertrain P23A3 Exhaust Heat Exchanger Bypass Valve B Control Circuit Low Powertrain P23A4 Exhaust Heat Exchanger Bypass Valve B Control Circuit High Powertrain P23A5 Exhaust Heat Exchanger Bypass Valve B Control Performance Powertrain P23A6 Exhaust Heat Exchanger Bypass Valve B Stuck Open Powertrain P23A7 Exhaust Heat Exchanger Bypass Valve B Stuck Closed Powertrain P23A8 Exhaust Heat Exchanger Bypass Valve B Position Sensor Stop Performance Powertrain P23A9 Communication Fault Forced Engine Shutdown Powertrain P23AA Turbocharger Bypass Valve A Stuck Powertrain P23AB NOx Sensor Processor Performance Bank 1 Sensor 3 Powertrain P23AC NOx Sensor Circuit Bank 1 Sensor 3 Powertrain P23AD NOx Sensor Circuit Range or Performance Bank 1 Sensor 3 Powertrain P23AE NOx Sensor Circuit Low Bank 1 Sensor 3 Powertrain P23AF NOx Sensor Circuit High Bank 1 Sensor 3 Powertrain P23B0 NOx Sensor Circuit Intermittent Bank 1 Sensor 3 Powertrain P23B1 NOx Sensor Heater Control Circuit Open Bank 1 Sensor 3 Powertrain P23B2 NOx Sensor Heater Control Circuit Low Bank 1 Sensor 3 Powertrain P23B3 NOx Sensor Heater Control Circuit High Bank 1 Sensor 3 Powertrain P23B4 NOx Sensor Heater Sense Circuit Bank 1 Sensor 3 Powertrain P23B5 NOx Sensor Heater Sense Circuit Range or Performance Bank 1 Sensor 3 Powertrain P23B6 NOx Sensor Supply Voltage Circuit Bank 1 Sensor 3 Powertrain P23B7 NOx Sensor Heater Control Circuit Range or Performance Bank 1 Sensor 3 Powertrain P23B8 NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 3 Powertrain P23B9 NOx Sensor Heater Sense Circuit High Bank 1 Sensor 3 Powertrain P23BA NOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 3 Powertrain P23BB NOx Sensor Heater Resistance Bank 1 Sensor 3 Powertrain P23BC NOx Sensor Calibration Memory Bank 1 Sensor 3 Powertrain P23BD NOx Sensor Performance Signal Biased or Stuck High Bank 1 Sensor 3 Powertrain P23BE NOx Sensor Performance Signal Biased or Stuck Low Bank 1 Sensor 3 Powertrain P23BF NOx Sensor Performance Slow Response Low to High Bank 1 Sensor 3 Powertrain P23C0 NOx Sensor Performance Slow Response High to Low Bank 1 Sensor 3 Powertrain P23C1 NOx Sensor Sensing Element Bank 1 Sensor 3 Powertrain P23C2 NOx Sensor Delayed Response High to Low Bank 1 Sensor 3 Powertrain P23C3 Engine Coolant Bypass Valve C Position Sensor Circuit Powertrain P23C4 Engine Coolant Bypass Valve C Position Sensor Circuit Low Powertrain P23C5 Engine Coolant Bypass Valve C Position Sensor Circuit High Powertrain P23C6 Engine Coolant Bypass Valve C Control Circuit Driver Current or Temperature Too High Powertrain P23C7 Fuel Heater Control Module Power Control Circuit Open Powertrain P23C8 Fuel Heater Control Module Power Control Circuit Low Powertrain P23C9 Fuel Heater Control Module Power Control Circuit High Powertrain P23CA Fuel Rail Heater Control Circuit Open Powertrain P23CB Fuel Rail Heater Control Circuit Low Powertrain P23CC Fuel Rail Heater Control Circuit High Powertrain P23CD Fuel Heater Control Module Feedback Signal Open Powertrain P23CE Fuel Heater Control Module Feedback Signal Performance Powertrain P23CF Fuel Heater Control Module Feedback Signal Circuit Low Powertrain P23D0 Fuel Heater Control Module Feedback Signal Circuit High Powertrain P23D1 Cylinder 1 Fuel Heater Control Circuit Open Powertrain P23D2 Cylinder 1 Fuel Heater Control Circuit High Powertrain P23D3 Cylinder 1 Fuel Heater Control Circuit Low Powertrain P23D4 Cylinder 1 Fuel Heater Performance Powertrain P23D5 Cylinder 2 Fuel Heater Control Circuit Open Powertrain P23D6 Cylinder 2 Fuel Heater Control Circuit High Powertrain P23D7 Cylinder 2 Fuel Heater Control Circuit Low Powertrain P23D8 Cylinder 2 Fuel Heater Performance Powertrain P23D9 Cylinder 3 Fuel Heater Control Circuit Open Powertrain P23DA Cylinder 3 Fuel Heater Control Circuit High Powertrain P23DB Cylinder 3 Fuel Heater Control Circuit Low Powertrain P23DC Cylinder 3 Fuel Heater Performance Powertrain P23DD Cylinder 4 Fuel Heater Control Circuit Open Powertrain P23DE Cylinder 4 Fuel Heater Control Circuit High Powertrain P23DF Cylinder 4 Fuel Heater Control Circuit Low Powertrain P23E0 Cylinder 4 Fuel Heater Performance Powertrain P23E1 EGR C Control Circuit Open Powertrain P23E2 EGR C Control Circuit Performance Powertrain P23E3 EGR C Control Circuit Low Powertrain P23E4 EGR C Control Circuit High Powertrain P23E5 EGR C Control Stuck Open Powertrain P23E6 EGR C Control Stuck Closed Powertrain P23E7 EGR C Flow Insufficient Detected Powertrain P23E8 EGR C Flow Excessive Detected Powertrain P23E9 Camshaft A Position Signal Output Circuit Open Bank 2 Powertrain P23EA Camshaft A Position Signal Output Circuit Low Bank 2 Powertrain P23EB Camshaft A Position Signal Output Circuit High Bank 2 Powertrain P23EC Camshaft B Position Signal Output Circuit Open Bank 1 Powertrain P23ED Camshaft B Position Signal Output Circuit Low Bank 1 Powertrain P23EE Camshaft B Position Signal Output Circuit High Bank 1 Powertrain P23EF Camshaft B Position Signal Output Circuit Open Bank 2 Powertrain P23F0 Camshaft B Position Signal Output Circuit Low Bank 2 Powertrain P23F1 Camshaft B Position Signal Output Circuit High Bank 2 Powertrain P23F2 Cylinder 1 Injector B Air-Fuel Ratio Imbalance Powertrain P23F3 Cylinder 2 Injector B Air-Fuel Ratio Imbalance Powertrain P23F4 Cylinder 3 Injector B Air-Fuel Ratio Imbalance Powertrain P23F5 Cylinder 4 Injector B Air-Fuel Ratio Imbalance Powertrain P23F6 Cylinder 5 Injector B Air-Fuel Ratio Imbalance Powertrain P23F7 Cylinder 6 Injector B Air-Fuel Ratio Imbalance Powertrain P23F8 Cylinder 7 Injector B Air-Fuel Ratio Imbalance Powertrain P23F9 Cylinder 8 Injector B Air-Fuel Ratio Imbalance Powertrain P23FA Cylinder 9 Injector B Air-Fuel Ratio Imbalance Powertrain P23FB Cylinder 10 Injector B Air-Fuel Ratio Imbalance Powertrain P23FC Cylinder 11 Injector B 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