This is a description of the J1939 PGNS that our current VDR can parse

OnanGeneratorPGNSJ1939.md

J1939 Supported Messages & Parsing Status

PGN	SPN	Name	Description	Parsed
65226	Various	Active Diagnostic Trouble Codes (DM1)	Includes Malfunction Indicator Lamp, Red Stop Lamp, Amber Warning Lamp, and other lamp statuses.	No
65227	Various	Previously Active Diagnostic Trouble Codes (DM2)	Lists the last five faults in chronological order.	No
61444	190	Engine Speed	Engine speed information.	Yes
65030	2444	Generator Average Basic AC Quantities	Average line-neutral AC RMS voltage and frequency.	No
65242	965	Software Identification	Number of software identification fields.	No
65253	247	Engine Total Hours of Operation	Total engine hours from the genset control.	Yes
65262	110, 174	Engine Temperature #1 (ET1)	Engine coolant temperature and fuel temperature.	Yes (110)
65263	100	Engine Fluid Level/Pressure #1 (EFL/P1)	Engine oil pressure.	Yes
65266	183	Fuel Economy (LFE)	Fuel consumption rate per unit of time.	Yes
65270	105	Inlet/Exhaust Conditions (IC)	Intake manifold temperature.	Yes
65271	158	Vehicle Electrical Power (VEP)	Battery voltage at the genset control.	Yes
65280	Various	Proprietary B	Includes genset status, type, and percent load.	No
Fault SPNs	110	High Engine Temperature	High engine coolant temperature. Various troubleshooting steps provided.	No
Fault SPNs	100	Low Oil Pressure	Low engine oil pressure, check oil level.	No
Fault SPNs	1675	Overcrank	Starter cranking time limit exceeded.	No
Fault SPNs	701	WARNING Shutdown Due to Vessel CO	Genset shut down due to Carbon Monoxide detection.	No
Fault SPNs	98	Oil Level High or Low	Check and correct oil level as needed.	No
Fault SPNs	716	Loss of Raw Water Flow	Low raw water pressure, troubleshooting guidance provided.	No
Fault SPNs	2444	High/Low AC Voltage	Check voltage levels, possible causes, and troubleshooting advice.	No
Fault SPNs	2436	High/Low AC Frequency	Check frequency levels, possible causes, and troubleshooting advice.	No
Fault SPNs	2440	Loss of AC Voltage Sense	Genset unable to sense output voltage.	No
Fault SPNs	158	High/Low Battery Voltage	Battery voltage outside of operational range, check connections and charger.	No
Fault SPNs	234	Control Card Failure	Various memory errors, contact service agent.	No
Fault SPNs	190	Speed Sense Lost	Genset unable to sense speed.	No
Pre-Alarm SPNs	110	High Engine Coolant Temperature (Pre-Alarm)	Coolant temperature approaching shutdown limits, troubleshooting advice provided.	No
Pre-Alarm SPNs	100	Low Engine Oil Pressure (Pre-Alarm)	Oil pressure approaching shutdown limits, check and add oil if necessary.	No
Pre-Alarm SPNs	97	Water in Fuel Indicator (Pre-Alarm)	Presence of water in the fuel separator, drain water as needed.	No

Parsing Details from Your File

• PGN 61444:

  • SPN 190: "Engine Speed" is parsed from byte positions 4-5, representing engine revolutions. It maps to propulsion.engine.revolutions.

• PGN 65253:

  • SPN 247: "Engine Total Hours of Operation" is parsed from byte positions 1-4. It maps to propulsion.runTime.

• PGN 65262:

  • SPN 110: "Engine Coolant Temperature" is parsed from byte position 1. It maps to propulsion.temperature.

• PGN 65263:

  • SPN 100: "Engine Oil Pressure" is parsed from byte position 4. It maps to propulsion.oilPressure.

• PGN 65266:

  • SPN 183: "Fuel Rate" is parsed from byte positions 1-2. It maps to propulsion.fuel.rate.

• PGN 65270:

  • SPN 105: "Intake Manifold Temperature" is parsed from byte position 3. It maps to propulsion.intakeManifold.temperature.

• PGN 65271:

  • SPN 158: "Battery Potential (Voltage)" is parsed from byte positions 7-8. It maps to propulsion.keySwitchVoltage.