All Yanmar Fault Codes
56 Yanmar diesel fault codes. Click any code for causes, diagnostics, severity, and common fixes.
YANMAR-LOW-OIL-PRESSURE critical
Yanmar Marine Low Oil Pressure Alarm
YANMAR-MARINE-BILGE-WATER critical
Yanmar Marine High Bilge Water Alarm
YANMAR-MARINE-EXHAUST-TEMP critical
Yanmar Marine Exhaust Elbow Over-Temp Alarm
YANMAR-OVERHEAT-MARINE critical
Yanmar Marine Overheat Alarm
YANMAR-P0087 critical
Fuel Rail Pressure Too Low
YANMAR-P0217 critical
Engine Coolant Overtemperature
YANMAR-SALTWATER-PUMP critical
Yanmar Marine Seawater Pump Flow Loss
YANMAR-TRANSMISSION-OIL-PRESSURE critical
Yanmar Marine Transmission Oil Pressure Low
YANMAR-U0100 critical
Lost Communication with ECM
YANMAR-ALTERNATOR-BELT serious
Yanmar Marine Alternator Belt Fault / Battery Light
YANMAR-GENSET-CONTROLLER serious
Yanmar Genset Controller Communication Error
YANMAR-GENSET-LOW-FUEL serious
Yanmar Genset Low Fuel / Shutdown
YANMAR-HYD-PILOT-FAULT serious
Yanmar ViO Pilot Pressure Fault
YANMAR-LOW-COOLANT serious
Yanmar Marine Low Coolant Alarm
YANMAR-MARINE-CRANKCASE-PRESSURE serious
Yanmar Marine Crankcase Pressure High
YANMAR-MARINE-ECU-COMM serious
Yanmar Marine ECU Communication to Helm Panel Lost
YANMAR-MARINE-FUEL-PRESSURE serious
Yanmar Marine Fuel System Low Pressure
YANMAR-P0088 serious
Fuel Rail Pressure Too High
YANMAR-P0089 serious
Fuel Pressure Regulator Performance
YANMAR-P0091 serious
Fuel Pressure Regulator (SCV) Control Circuit Low
YANMAR-P0093 serious
Fuel System Leak Detected - Large
YANMAR-P0201 serious
Injector Circuit - Cylinder 1
YANMAR-P0202 serious
Injector Circuit - Cylinder 2
YANMAR-P0203 serious
Injector Circuit - Cylinder 3
YANMAR-P0204 serious
Injector Circuit - Cylinder 4
YANMAR-P0205 serious
Injector Circuit - Cylinder 5
YANMAR-P0206 serious
Injector Circuit - Cylinder 6
YANMAR-P0299 serious
Turbocharger Underboost
YANMAR-P0335 serious
Crankshaft Position Sensor Circuit
YANMAR-P0336 serious
Crankshaft Position Sensor Range/Performance
YANMAR-P0340 serious
Camshaft Position Sensor Circuit
YANMAR-P0380 serious
Glow Plug / Heater Circuit A Malfunction
YANMAR-P0403 serious
EGR Control Circuit Malfunction
YANMAR-P042E serious
EGR Stuck Open
YANMAR-P1260 serious
Yanmar Immobilizer / Anti-Theft Active
YANMAR-P2002 serious
DPF Efficiency Below Threshold
YANMAR-P20E8 serious
Reductant Pressure Too Low
YANMAR-P20EE serious
SCR NOx Catalyst Efficiency Below Threshold
YANMAR-P2459 serious
DPF Regeneration Frequency Too Often
YANMAR-P2463 serious
DPF Soot Accumulation
YANMAR-SAIL-DRIVE-WARNING serious
Yanmar Sail Drive Boot / Anode Warning
YANMAR-TRAVEL-MOTOR-FAULT serious
Yanmar ViO Travel Motor Fault
YANMAR-U0101 serious
Lost Communication with Transmission / Hydrostat Controller
YANMAR-MARINE-GLOW moderate
Yanmar Marine Preheat / Glow System Fault
YANMAR-P0101 moderate
MAF Sensor Circuit Performance
YANMAR-P0107 moderate
MAP Sensor Circuit Low
YANMAR-P0108 moderate
MAP Sensor Circuit High
YANMAR-P0112 moderate
Intake Air Temperature Sensor Low
YANMAR-P0113 moderate
Intake Air Temperature Sensor High
YANMAR-P0116 moderate
Engine Coolant Temperature Sensor Performance
YANMAR-P0118 moderate
Engine Coolant Temperature Sensor High
YANMAR-P0381 moderate
Glow Plug Indicator Circuit Malfunction
YANMAR-P0401 moderate
EGR Insufficient Flow Detected
YANMAR-P0420 moderate
Oxidation Catalyst Efficiency Below Threshold
YANMAR-P20BA moderate
Reductant Heater A Control Circuit Performance
YANMAR-P2454 moderate
DPF Differential Pressure Sensor Circuit Low