- P242CExhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3Full content
- P242DExhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3Full content
- P242EExhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 3Full content
- P242FDiesel Particulate Filter Restriction - Ash AccumulationFull content
- P2430Secondary Air Injection System Air Flow/Pressure Sensor CircuitFull content
- P2431Air control solenoid failure, Powertrain Control Module (PCM) failure, Secondary Air System pressure sensor failure, Wiring issueFull content
- P2432Air control solenoid failure, Powertrain Control Module (PCM) failure, Secondary Air System pressure sensor failure, Wiring issueFull content
- P2433Secondary Air Injection System Air Flow/Pressure Sensor Circuit HighFull content
- P2434Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/ErraticFull content
- P2435Secondary Air Injection System Air Flow/Pressure Sensor CircuitFull content
- P2436Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/PerformanceFull content
- P2437Secondary Air Injection System Air Flow/Pressure Sensor Circuit LowFull content
- P2438Secondary Air Injection System Air Flow/Pressure Sensor Circuit HighFull content
- P2439Secondary Air Injection System Air Flow/Pressure Sensor Circuit Intermittent/ErraticFull content
- P243AParticulate Filter Restriction - Ash Accumulation Bank 2Full content
- P243BParticulate Filter Restriction - Forced Limited Power Bank 2Full content
- P243CParticulate Filter Regeneration Frequency Bank 2Full content
- P243DParticulate Filter Regeneration Duration Bank 2Full content
- P243EParticulate Filter Regeneration Incomplete Bank 2Full content
- P243FParticulate Filter Restriction - Soot Accumulation Too High Bank 2Full content
- P2440Secondary Air Injection System Switching Valve Stuck OpenFull content
- P2441Secondary Air Injection System Switching Valve Stuck ClosedFull content
- P2442Secondary Air Injection System Switching Valve Stuck OpenFull content
- P2443Secondary Air Injection System Switching Valve Stuck ClosedFull content
- P2444Secondary Air Injection System Pump Stuck OnFull content
- P2445Secondary Air Injection System Pump Stuck OffFull content
- P2446Secondary Air Injection System Pump Stuck OnFull content
- P2447Secondary Air Injection System Pump Stuck OffFull content
- P2448AIR System High Air Flow Bank 1Full content
- P2449AIR System High Air Flow Bank 2Full content
- P244AParticulate Filter Differential Pressure Too Low Bank 1Full content
- P244BParticulate Filter Differential Pressure Too High Bank 1Full content
- P244CExhaust Temperature Too Low For Particulate Filter Regeneration Bank 1Full content
- P244DExhaust Temperature Too High For Particulate Filter Regeneration Bank 1Full content
- P244EExhaust Temperature Too Low For Particulate Filter Regeneration Bank 2Full content
- P244FExhaust Temperature Too High For Particulate Filter Regeneration Bank 2Full content
- P2450EVAP System Switching Valve Performance/Stuck OpenFull content
- P2451EVAP System Switching Valve Stuck ClosedFull content
- P2452Particulate Filter Pressure Sensor A CircuitFull content
- P2453Particulate Filter Pressure Sensor A Circuit Range/PerformanceFull content
- P2454Particulate Filter Pressure Sensor A Circuit LowFull content
- P2455Particulate Filter Pressure Sensor A Circuit HighFull content
- P2456Particulate Filter Pressure Sensor A Circuit Intermittent/ErraticFull content
- P2457Gas Recirculation Cooling System PerformanceFull content
- P2458Particulate Filter Regeneration Duration Bank 1Full content
- P2459Particulate Filter Regeneration Frequency Bank 1Full content
- P245AGas Recirculation Cooler Bypass Control Circuit/OpenFull content
- P245BGas Recirculation Cooler Bypass Control Circuit Range/PerformanceFull content
- P245CGas Recirculation Cooler Bypass Control Circuit LowFull content
- P245DEGR Cooler Bypass Control Circuit High Bank 1Full content
- P245EParticulate Filter Pressure Sensor B CircuitFull content
- P245FParticulate Filter Pressure Sensor B Circuit Range/PerformanceFull content
- P2460Particulate Filter Pressure Sensor B Circuit LowFull content
- P2461Particulate Filter Pressure Sensor B Circuit HighFull content
- P2462Particulate Filter Pressure Sensor B Circuit Intermittent/ErraticFull content
- P2463Particulate Filter Restriction - Soot Accumulation Bank 1Full content
- P2464Particulate Filter Differential Pressure Too Low Bank 2Full content
- P2465Particulate Filter Differential Pressure Too High Bank 2Full content
- P2466Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 3Full content
- P2467Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 3Full content
Other systems
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.