Diesel systems codes
DPF, DEF/SCR, NOx, glow plug and EGT codes. 48 codes, each with symptoms, causes, diagnosis steps and repair cost estimates.
P0380Glow Plug/Heater Circuit "A"P0381Glow Plug/Heater Indicator CircuitP0470Exhaust Pressure Sensor "A" Circuit (Bank 1)P0471Exhaust Pressure Sensor "A" Circuit Range/Performance (Bank 1)P0472Exhaust Pressure Sensor "A" Circuit Low (Bank 1)P0473Exhaust Pressure Sensor "A" Circuit High (Bank 1)P0474Exhaust Pressure Sensor "A" Circuit Intermittent (Bank 1)P0544Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 1)P0545Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1)P0546Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 1)P0670Glow Plug Module Control CircuitP0671Cylinder 1 Glow Plug CircuitP0672Cylinder 2 Glow Plug CircuitP0673Cylinder 3 Glow Plug CircuitP0674Cylinder 4 Glow Plug CircuitP0675Cylinder 5 Glow Plug CircuitP0676Cylinder 6 Glow Plug CircuitP0677Cylinder 7 Glow Plug CircuitP0678Cylinder 8 Glow Plug CircuitP0683Glow Plug Control Module to PCM Communication CircuitP2002Diesel Particulate Filter Efficiency Below Threshold (Bank 1)P2032Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2)P2033Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2)P203FReductant Level Too LowP2047Reductant Injector Circuit/Open (Bank 1 Unit 1)P2080Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 1)P2084Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 2)P20B9Reductant Heater "A" Control Circuit/OpenP20E8Reductant Pressure Too LowP20EESCR NOx Catalyst Efficiency Below Threshold (Bank 1)P2200NOx Sensor Circuit (Bank 1)P2201NOx Sensor Circuit Range/Performance (Bank 1)P2202NOx Sensor Circuit Low (Bank 1)P2203NOx Sensor Circuit High (Bank 1)P2269Water in Fuel ConditionP229FNOx Sensor Circuit Range/Performance (Bank 1 Sensor 2)P242FDiesel Particulate Filter Restriction - Ash AccumulationP244ADiesel Particulate Filter Differential Pressure Too Low (Bank 1)P244BDiesel Particulate Filter Differential Pressure Too High (Bank 1)P2452Diesel Particulate Filter Pressure Sensor "A" CircuitP2453Diesel Particulate Filter Pressure Sensor "A" Circuit Range/PerformanceP2454Diesel Particulate Filter Pressure Sensor "A" Circuit LowP2455Diesel Particulate Filter Pressure Sensor "A" Circuit HighP2459Diesel Particulate Filter Regeneration FrequencyP2463Diesel Particulate Filter Restriction - Soot AccumulationP2BA9NOx Exceedence - Insufficient Reductant QualityP2BADNOx Exceedence - Root Cause UnknownP2BAENOx Exceedence - Insufficient Reductant Quantity