01 How to Read & Understand Live Data Streams from Your Car’s … • 02 Bad Fuel Doesn't Just Hurt Performance — It Quietly Destroy… • 03 How Often Should You Drive Your Car to Keep It in Good Shap… • 04 This Is Why It’s Almost Impossible To Sink A Modern Cruise … • 05 How Leaking a Head Gasket Affects Engine Performance • 06 This Is How to Fix Sensor-Related Fuel Consumption Problems… • 07 How to Avoid Common Mechanic Scams: Tips for Choosing a Rel… • 08 Isuzu FSR: A Comprehensive Guide to the Medium Duty Truck • 09 EXPLAINER: ENGINE IMMOBILIZER. • 10 Feeling the Heat? Troubleshoot Your Car's AC System Problem… •

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.

P2366 Cylinder 12 Pressure Sensor Circuit Powertrain P2367 Cylinder 12 Pressure Sensor Circuit Range/Performance Powertrain P2368 Cylinder 12 Pressure Sensor Circuit Low Powertrain P2369 Cylinder 12 Pressure Sensor Circuit High Powertrain P236A Cylinder 12 Pressure Sensor Circuit Intermittent or Erratic Powertrain P236B Cylinder 12 Pressure Too Low Powertrain P236C Cylinder 12 Pressure Too High Powertrain P236D Cylinder 12 Pressure Variation Low Powertrain P236E Cylinder 12 Pressure Variation High Powertrain P236F Cylinder 12 Combustion Performance Powertrain P2370 Fuel Volume Regulator B Control Circuit Open Powertrain P2371 Fuel Volume Regulator B Control Circuit Performance Powertrain P2372 Fuel Volume Regulator B Control Circuit Low Powertrain P2373 Fuel Volume Regulator B Control Circuit High Powertrain P2374 Turbocharger Inlet Pressure Sensor B Circuit Powertrain P2375 Turbocharger Inlet Pressure Sensor B Circuit Range or Performance Powertrain P2376 Turbocharger Inlet Pressure Sensor B Circuit Low Powertrain P2377 Turbocharger Inlet Pressure Sensor B Circuit High Powertrain P2378 Turbocharger Inlet Pressure Sensor B Circuit Intermittent or Erratic Powertrain P2379 O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2 Powertrain P237A O2 Sensor Exhaust Sample Error Bank 1 Sensor 2 Powertrain P237B O2 Sensor Exhaust Sample Error Bank 2 Sensor 2 Powertrain P237C Exhaust Heat Exchanger Bypass Valve A Control Circuit Open Powertrain P237D Exhaust Heat Exchanger Bypass Valve A Control Circuit Low Powertrain P237E Exhaust Heat Exchanger Bypass Valve A Control Circuit High Powertrain P237F Exhaust Heat Exchanger Bypass Valve A Control Performance Powertrain P2380 Wait to Start Lamp Control Circuit Powertrain P2381 EGR Sensor D Circuit High Powertrain P2382 EGR Sensor D Circuit Low Powertrain P2383 EGR Sensor D Circuit Range or Performance Powertrain P2384 EGR Sensor D Circuit Intermittent Powertrain P2385 EGR Sensor E Circuit Powertrain P2386 EGR Sensor E Circuit High Powertrain P2387 EGR Sensor E Circuit Low Powertrain P2388 EGR Sensor E Circuit Range or Performance Powertrain P2389 EGR Sensor E Circuit Intermittent Powertrain P238A Water in Fuel Sensor B Circuit Powertrain P238B Water in Fuel Sensor B Circuit Range or Performance Powertrain P238C Water in Fuel Sensor B Circuit Low Powertrain P238D Water in Fuel Sensor B Circuit High Powertrain P238E Water in Fuel Sensor B Circuit Intermittent Powertrain P238F Water in Fuel Condition Sensor B Powertrain P2390 Diesel Intake Air Flow B Control Circuit Open Powertrain P2391 Diesel Intake Air Flow B Control Performance Powertrain P2392 Diesel Intake Air Flow B Control Circuit Low Powertrain P2393 Diesel Intake Air Flow B Control Circuit High Powertrain P2394 Diesel Intake Air Flow B Control Stuck Open Powertrain P2395 Diesel Intake Air Flow B Control Stuck Closed Powertrain P2396 Diesel Intake Air Flow B Position Sensor Circuit Powertrain P2397 Diesel Intake Air Flow B Position Sensor Range or Performance Powertrain P2398 Diesel Intake Air Flow B Position Sensor Circuit Low Powertrain 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
Running on fumes Free guides aren't free to make. Top up the tank. Any amount, one time. Fuel the Garage