Ignition Codes
743 OBD-II diagnostic trouble codes in this category.
Showing page 5 of 8 (743 codes total)
| Code | Description | Subsystem | Severity |
|---|---|---|---|
| P2326 | Ignition Coil I Secondary Circuit | Ignition System | Medium |
| P2327 | Ignition Coil J Primary Control Circuit Low | Ignition System | Medium |
| P2328 | Ignition Coil J Primary Control Circuit High | Ignition System | Medium |
| P2329 | Ignition Coil J Secondary Circuit | Ignition System | Medium |
| P2330 | Ignition Coil K Primary Control Circuit Low | Ignition System | Medium |
| P2331 | Ignition Coil K Primary Control Circuit High | Ignition System | Medium |
| P2332 | Ignition Coil K Secondary Circuit | Ignition System | Medium |
| P2333 | Ignition Coil L Primary Control Circuit Low | Ignition System | Medium |
| P2334 | Ignition Coil L Primary Control Circuit High | Ignition System | Medium |
| P2335 | Ignition Coil L Secondary Circuit | Ignition System | Medium |
| P2336 | Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2337 | Cylinder 2 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2338 | Cylinder 3 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2339 | Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2340 | Cylinder 5 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2341 | Cylinder 6 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2342 | Cylinder 7 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2343 | Cylinder 8 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2344 | Cylinder 9 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2345 | Cylinder 10 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2346 | Cylinder 11 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2347 | Cylinder 12 Above Knock/Combustion Vibration Sensor Threshold | Ignition System | Medium |
| P2348 | Cylinder 9 Pressure Sensor Circuit | Ignition System | Medium |
| P2349 | Cylinder 9 Pressure Sensor Circuit Range/Performance | Ignition System | Medium |
| P2350 | Cylinder 9 Pressure Variation High | Ignition System | Medium |
| P2351 | Cylinder 9 Combustion Performance | Ignition System | Medium |
| P2352 | Cylinder 10 Pressure Sensor Circuit | Ignition System | Medium |
| P2353 | Cylinder 10 Pressure Sensor Circuit Range/Performance | Ignition System | Medium |
| P2354 | Cylinder 10 Pressure Sensor Circuit Low | Ignition System | Medium |
| P2355 | Cylinder 10 Pressure Sensor Circuit High | Ignition System | Medium |
| P2356 | Cylinder 10 Pressure Sensor Circuit Intermittent/Erratic | Ignition System | Medium |
| P2357 | Cylinder 10 Pressure Too Low | Ignition System | Medium |
| P2358 | Cylinder 10 Pressure Too High | Ignition System | Medium |
| P2359 | Cylinder 10 Pressure Variation Low | Ignition System | Medium |
| P2360 | Cylinder 11 Pressure Sensor Circuit Intermittent/Erratic | Ignition System | Medium |
| P2361 | Cylinder 11 Pressure Too Low | Ignition System | Medium |
| P2362 | Cylinder 11 Pressure Too High | Ignition System | Medium |
| P2363 | Cylinder 11 Pressure Variation Low | Ignition System | Medium |
| P2364 | Cylinder 11 Pressure Variation High | Ignition System | Medium |
| P2365 | Cylinder 11 Combustion Performance | Ignition System | Medium |
| P2366 | Cylinder 12 Pressure Sensor Circuit | Ignition System | Medium |
| P2367 | Cylinder 12 Pressure Sensor Circuit Range/Performance | Ignition System | Medium |
| P2368 | Cylinder 12 Pressure Sensor Circuit Low | Ignition System | Medium |
| P2369 | Cylinder 12 Pressure Sensor Circuit High | Ignition System | Medium |
| P2370 | Fuel Volume Regulator B Control Circuit/Open | Ignition System | Medium |
| P2371 | Fuel Volume Regulator B Control Circuit Performance | Ignition System | Medium |
| P2372 | Fuel Volume Regulator B Control Circuit Low | Ignition System | Medium |
| P2373 | Fuel Volume Regulator B Control Circuit High | Ignition System | Medium |
| P2374 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit | Ignition System | Medium |
| P2375 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Range/Performance | Ignition System | Medium |
| P2376 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Low | Ignition System | Medium |
| P2377 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit High | Ignition System | Medium |
| P2378 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Intermittent/Erratic | Ignition System | Medium |
| P2379 | O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2 | Ignition System | Medium |
| P2380 | EGR Sensor D Circuit | Ignition System | Medium |
| P2381 | EGR Sensor D Circuit High | Ignition System | Medium |
| P2382 | EGR Sensor D Circuit Low | Ignition System | Medium |
| P2383 | EGR Sensor D Circuit Range/Performance | Ignition System | Medium |
| P2384 | EGR Sensor D Circuit Intermittent | Ignition System | Medium |
| P2385 | EGR Sensor E Circuit | Ignition System | Medium |
| P2386 | EGR Sensor E Circuit High | Ignition System | Medium |
| P2387 | EGR Sensor E Circuit Low | Ignition System | Medium |
| P2388 | EGR Sensor E Circuit Range/Performance | Ignition System | Medium |
| P2389 | EGR Sensor E Circuit Intermittent | Ignition System | Medium |
| P2390 | Diesel Intake Air Flow B Control Circuit/Open | Ignition System | Medium |
| P2391 | Diesel Intake Air Flow B Control Performance | Ignition System | Medium |
| P2392 | Diesel Intake Air Flow B Control Circuit Low | Ignition System | Medium |
| P2393 | Diesel Intake Air Flow B Control Circuit High | Ignition System | Medium |
| P2394 | Diesel Intake Air Flow B Control Stuck Open | Ignition System | Medium |
| P2395 | Diesel Intake Air Flow B Control Stuck Closed | Ignition System | Medium |
| P2396 | Diesel Intake Air Flow B Position Sensor Circuit | Ignition System | Medium |
| P2397 | Diesel Intake Air Flow B Position Sensor Range/Performance | Ignition System | Medium |
| P2398 | Diesel Intake Air Flow B Position Sensor Circuit Low | Ignition System | Medium |
| P2399 | Diesel Intake Air Flow B Position Sensor Circuit High | Ignition System | Medium |
| P23E2 | EGR C Control Circuit Performance | Ignition System | Medium |
| P23EA | Camshaft A Position Signal Output Circuit Low Bank 2 | Variable Valve Timing | Medium |
| P23EB | Camshaft A Position Signal Output Circuit High Bank 2 | Variable Valve Timing | Medium |
| P23EC | Camshaft B Position Signal Output Circuit/Open Bank 1 | Variable Valve Timing | Medium |
| P23ED | Camshaft B Position Signal Output Circuit Low Bank 1 | Variable Valve Timing | Medium |
| P23EE | Camshaft B Position Signal Output Circuit High Bank 1 | Variable Valve Timing | Medium |
| P23EF | Camshaft B Position Signal Output Circuit/Open Bank 2 | Variable Valve Timing | Medium |
| P23F0 | Camshaft B Position Signal Output Circuit Low Bank 2 | Variable Valve Timing | Medium |
| P23F1 | Camshaft B Position Signal Output Circuit High Bank 2 | Variable Valve Timing | Medium |
| P25B7 | Auxiliary Ignition Switch On/Start Position Circuit | Variable Valve Timing | Medium |
| P25B8 | Auxiliary Ignition Switch On/Start Position Circuit Low | Variable Valve Timing | Medium |
| P25B9 | Auxiliary Ignition Switch On/Start Position Circuit High | Variable Valve Timing | Medium |
| P25CA | Intake Camshaft Actuator Park Lock Control Circuit/Open Bank 1 | Variable Valve Timing | Medium |
| P25CB | Intake Camshaft Actuator Park Lock Control Circuit Low Bank 1 | Variable Valve Timing | Medium |
| P25CC | Intake Camshaft Actuator Park Lock Control Circuit High Bank 1 | Variable Valve Timing | Medium |
| P25CD | Intake Camshaft Actuator Park Lock Control Circuit/Open Bank 2 | Variable Valve Timing | Medium |
| P25CE | Intake Camshaft Actuator Park Lock Control Circuit Low Bank 2 | Variable Valve Timing | Medium |
| P25CF | Intake Camshaft Actuator Park Lock Control Circuit High Bank 2 | Variable Valve Timing | Medium |
| P25D0 | Exhaust Camshaft Actuator Park Lock Control Circuit/Open Bank 1 | Variable Valve Timing | Medium |
| P25D1 | Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 1 | Variable Valve Timing | Medium |
| P25D2 | Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 1 | Variable Valve Timing | Medium |
| P25D3 | Exhaust Camshaft Actuator Park Lock Control Circuit/Open Bank 2 | Variable Valve Timing | Medium |
| P25D4 | Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 2 | Variable Valve Timing | Medium |
| P25D5 | Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 2 | Variable Valve Timing | Medium |
| P25DD | A Camshaft Position - Stuck In Locked Position Bank 1 | Variable Valve Timing | Medium |
| P25DE | A Camshaft Position - Unable to Achieve Locked Position Bank 1 | Variable Valve Timing | Medium |
About Ignition Codes
This page lists all 743 OBD-II diagnostic trouble codes classified under the Ignition category. These codes are stored by your vehicle's onboard computer when a sensor detects a malfunction in the ignition system. Each code begins with a letter indicating the system (P for Powertrain, B for Body, C for Chassis, U for Network) followed by four digits that identify the specific fault.
When your check engine light comes on, an OBD-II scanner reads these stored codes to help pinpoint the problem. Generic codes (where the second digit is 0) follow the SAE J2012 standard and mean the same thing on every vehicle. Manufacturer-specific codes (where the second digit is 1) may have different meanings depending on the vehicle brand.
Click any code in the table above to see its full description, possible causes, common symptoms, and step-by-step repair guidance. Use the search box to quickly find a specific code within this category.