Cummins Generator Fault Codes

248 documented Cummins fault codes — causes, diagnosis and repair steps for each, drawn from OEM service literature.

Cooling

12263FAIL-TO-START FAULTDS7131715514331335DS13C1400C2250C1500DS162416F525145UNSPECIFIEDDS5C3250HIGH ENGINE TEMPERATURE WARNING/SHUTDOWNLOW COOLANT LEVELLOW COOLANT TEMPERATURE WARNINGDS14INJECTOR FAULT CODESC1100C2000NUISANCE OVERCURRENT TRIPSLOW OIL PRESSURE WARNING2351435DS11DS20INTERMITTENT FAULT CODESCRANKING LOCKOUT2C1300C1250F450HIGH LUBE OIL TEMPERATURE WARNING/SHUTDOWN144OVERSPEED SHUTDOWNC1540DS211312DS2DS3415C3000LOW COOLANT LEVEL ALARMF415C2750LOW LUBE OIL PRESSURE WARNING/SHUTDOWNF5003C2500196C3500DS17WEAK BATTERY WARNINGSENSOR FAILURE INDICATION488DS8FAIL TO CRANK SHUTDOWNLOW COOLANT ALARMDS1DS4DS151463531511222143C1750FAIL TO START (OVERCRANK) SHUTDOWNC1000DS1241667DS9343DS6

Electrical

CODE 481922HIGH BATTERY 1 VOLTAGELOW BATTERY VOLTAGE WARNINGCODE 4381 O81 UHIGH BATTERY VOLTAGE WARNINGEMERGENCY STOPSYNCHRONIZER PHASE ROTATION WARNING32CODE 5781O29SYNCHRONIZER OUTPUT LIMIT WARNINGCODE 4559FAIL TO SHUTDOWN FAULT27CODE 42F1

Emissions

00 - 0DEFAIL TO SHUTDOWN11 00 - 0DC00-0DD00-0DC

Fuel

LO SHUTDOWN2224BASINALARM ID 33LO FUELCODE 1536F42542CODE 13HI FUELCODE 12CODE 14

General

114214451219154014461915DS7 (RED)111714832891H706144224266111452621262428932626144991512251244914D04111443791247234226292358113912462816OVER SPEED91923362977AMBER2335H2681129267719941443BATTERY OUT OF RANGE HIGH OR PRE-HIGH294211242349171464659891114472944E08900-040267825441541184700-04218551853E125144814161311FAIL-TO-SYNCHRONIZE WARNING91611282896RED − FLASHING288428882112912266212139115DS8 (RED)10053294329452632CRANK FAILH6691469H389OFF00-045SERVICE DUE9132628918144123611411689DS6 (YELLOW)115E153L02811430

Lubrication

00-055LOW PRE-LUBE PRESSURE ALARM427

Speed

00-02714711215134FUEL PRESSURE FAULT CODESCODE 3600-02800-044OVER CRANK FAULT00-02600-0241472CODE 38CODE 4100-021

Starting

LOW COOLANT 1 LEVELFAIL-TO-SYNCHRONIZE35FAIL TO START

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