01 This Is Why Your Car Is Louder Than It Used To Be • 02 The Ultimate Guide to Inspect a Used Car Before Buying • 03 P0062, P0063, and P0064: HO2S Heater Control Circuit (Bank … • 04 How do I know if my gearbox needs oil? • 05 The SR-71 Blackbird: Flying at Mach 3.3, what do pilots fee… • 06 Smooth Shifting: Navigating Common Transmission Problems an… • 07 What Happens When Engine Oil Circulates Inside a Car Engine… • 08 How to fix a car that's not shifting gears properly • 09 Engine Oil Sludge: The Silent Threat to Your Vehicle's Perf… • 10 Why disc and drum brakes are used in the front and rear res… •

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.

P242E Exhaust Gas Temperature Sensor Circuit Intermittent or Erratic Bank 1 Sensor 3 Powertrain P242F Particulate Filter Restriction Ash Accumulation Bank 1 Powertrain P2430 Secondary Air Injection System Air Flow/Pressure Sensor Circuit (Bank 1) Powertrain P2431 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance (Bank 1) Powertrain P2432 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low (Bank 1) Powertrain P2433 Secondary Air Injection System Air Flow/Pressure Sensor Circuit High (Bank 1) Powertrain P2434 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic (Bank 1) Powertrain P2435 Secondary Air Injection System Air Flow/Pressure Sensor Circuit (Bank 2) Powertrain P2436 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance (Bank 2) Powertrain P2437 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low (Bank 2) Powertrain P2438 Secondary Air Injection System Air Flow/Pressure Sensor Circuit High (Bank 2) Powertrain P2439 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/Erratic (Bank 2) Powertrain P243A Particulate Filter Restriction Ash Accumulation Bank 2 Powertrain P243B Particulate Filter Restriction Forced Limited Power Bank 2 Powertrain P243C Particulate Filter Regeneration Frequency Bank 2 Powertrain P243D Particulate Filter Regeneration Duration Bank 2 Powertrain P243E Particulate Filter Regeneration Incomplete Bank 2 Powertrain P243F Particulate Filter Restriction Soot Accumulation Too High Bank 2 Powertrain P2440 Secondary Air Injection System Switching Valve Stuck Open (Bank 1) Powertrain P2441 Secondary Air Injection System Switching Valve Stuck Closed (Bank 1) Powertrain P2442 Secondary Air Injection System Switching Valve Stuck Open (Bank 2) Powertrain P2443 Secondary Air Injection System Switching Valve Stuck Closed (Bank 2) Powertrain P2444 Secondary Air Injection System Pump Stuck On (Bank 1) Powertrain P2445 Secondary Air Injection System Pump Stuck Off (Bank 1) Powertrain P2446 Secondary Air Injection System Pump Stuck On (Bank 2) Powertrain P2447 Secondary Air Injection System Pump Stuck Off (Bank 2) Powertrain P2448 AIR System High Air Flow Bank 1 Powertrain P2449 AIR System High Air Flow Bank 2 Powertrain P244A Diesel Particulate Filter Differential Pressure Too Low Powertrain P244B Diesel Particulate Filter Differential Pressure Sensor Offset Powertrain P244C Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1 Powertrain P244D Exhaust Temperature Too High For Particulate Filter Regeneration Bank 1 Powertrain P244E Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 2 Powertrain P244F Exhaust Temperature Too High For Particulate Filter Regeneration Bank 2 Powertrain P2450 EVAP System Switching Valve Performance/Stuck Powertrain P2451 EVAP System Switching Valve Stuck Closed Powertrain P2452 Diesel Particulate Filter Pressure Sensor Circuit Powertrain P2453 Diesel Particulate Filter Pressure Sensor Circuit Range/Performance Powertrain P2454 Diesel Particulate Filter Pressure Sensor Circuit Low Powertrain P2455 Diesel Particulate Filter Pressure Sensor Circuit High Powertrain P2456 DPF Differential Pressure Sensor Circuit Intermittent Powertrain P2457 EGR Cooler Performance Powertrain P2458 DPF Regeneration Duration Powertrain P2459 Diesel Particulate Filter Regeneration Frequency Powertrain P245A EGR Cooler Bypass Control Circuit Open Bank 1 Powertrain P245B EGR Cooler Bypass Control Circuit Range or Performance Bank 1 Powertrain P245C EGR Cooler Bypass Control Circuit Low Bank 1 Powertrain P245D EGR Cooler Bypass Control Circuit High Bank 1 Powertrain P245E Particulate Filter Pressure Sensor B Circuit Powertrain P245F Particulate Filter Pressure Sensor B Circuit Range or Performance Powertrain P2460 DPF Restriction - Forced Limited Power Powertrain P2461 DPF Restriction - Forced Limited Powertrain P2462 Diesel Particulate Filter Restriction - Soot Accumulation Powertrain P2463 Diesel Particulate Filter Restriction - Soot Accumulation Powertrain P2464 Diesel Particulate Filter Differential Pressure Too High Powertrain P2465 Diesel Particulate Filter Differential Pressure Sensor Range/Performance Powertrain P2466 Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 3 Powertrain P2467 Exhaust Gas Temperature Sensor Circuit Range or Performance Bank 2 Sensor 3 Powertrain P2468 Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 3 Powertrain P2469 Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 3 Powertrain P246A Exhaust Gas Temperature Sensor Circuit Intermittent or Erratic Bank 2 Sensor 3 Powertrain P246B Vehicle Conditions Incorrect for Particulate Filter Regeneration Powertrain P246C Particulate Filter Restriction Forced Limited Power Bank 1 Powertrain P246D Particulate Filter Pressure Sensor A and B Correlation Powertrain P246E Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 Powertrain P246F Reductant System Cold Start Performance Powertrain P2470 Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 3 Powertrain P2471 Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3 Powertrain P2472 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3 Powertrain P2473 Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3 Powertrain P2474 Exhaust Gas Temperature Sensor Circuit Range or Performance Bank 2 Sensor 4 Powertrain P2475 Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 4 Powertrain P2476 Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 4 Powertrain P2477 Exhaust Gas Temperature Sensor Circuit Intermittent or Erratic Bank 2 Sensor 4 Powertrain P2478 Exhaust Gas Temperature Out of Range Bank 1 Sensor 1 Powertrain P2479 Exhaust Gas Temperature Out of Range Bank 1 Sensor 2 Powertrain P247A Exhaust Gas Temperature Out of Range Bank 1 Sensor 3 Powertrain P247B Exhaust Gas Temperature Out of Range Bank 1 Sensor 4 Powertrain P247C Exhaust Gas Temperature Out of Range Bank 2 Sensor 1 Powertrain P247D Exhaust Gas Temperature Out of Range Bank 2 Sensor 2 Powertrain P247E Exhaust Gas Temperature Out of Range Bank 2 Sensor 3 Powertrain P247F Exhaust Gas Temperature Out of Range Bank 2 Sensor 4 Powertrain P2480 Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 3 Powertrain P2481 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 5 Powertrain P2482 Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 5 Powertrain P2483 Exhaust Gas Temperature Sensor Circuit Range or Performance Bank 1 Sensor 5 Powertrain P2484 Exhaust Gas Temperature Sensor Circuit Intermittent or Erratic Bank 1 Sensor 5 Powertrain P2485 Exhaust Gas Temperature Sensor Circuit Open Bank 2 Sensor 5 Powertrain P2486 Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 5 Powertrain P2487 Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 5 Powertrain P2488 Exhaust Gas Temperature Sensor Circuit Range or Performance Bank 2 Sensor 5 Powertrain P2489 Exhaust Gas Temperature Sensor Circuit Intermittent or Erratic Bank 2 Sensor 5 Powertrain P248A Reductant Heater A Sense Circuit Low Powertrain P248B Reductant Heater A Sense Circuit High Powertrain P248C Reductant Heater B Sense Circuit Low Powertrain P248D Reductant Heater B Sense Circuit High Powertrain P248E EGR Cooler Bypass Control Circuit Open Bank 2 Powertrain P248F EGR Cooler Bypass Control Circuit Range or Performance Bank 2 Powertrain P2490 EGR Cooler Bypass Control Circuit Low Bank 2 Powertrain P2491 EGR Cooler Bypass Control Circuit High Bank 2 Powertrain
Running on fumes Free guides aren't free to make. Top up the tank. Any amount, one time. Fuel the Garage