122 GTH-4518ER - GTH-4020ER - GTH-6025ER Part No. 57.0009.0404
Operator’s Manual
First Edition - Third Printing
Faults and Troubleshooting
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J1939 FMI
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Description
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Description
221 108
3
Amber
Barometric Pressure
Barometric Pressure Sensor Circuit – Voltage Above
Normal, or Shorted to High Source
222 108
4
Amber
Barometric Pressure
Barometric Pressure Sensor Circuit – Voltage Below
Normal, or Shorted to Low Source
227 1080
3
Amber
5 Volts DC Supply
Sensor Supply Voltage #2 Circuit – Voltage Above
Normal, or Shorted to High Source
231 109
3
Amber
Coolant Pressure
Coolant Pressure Sensor Circuit - Voltage Above
Normal, or Shorted to High Source
232 109
4
Amber
Coolant Pressure
Coolant Pressure Sensor Circuit - Voltage Below
Normal, or Shorted to Low Source
233 109
18
Amber
Coolant Pressure
Coolant Pressure - Data Valid but Below Normal
Operational Range - Moderately Severe Level
234 190
0
Red
Engine Speed
Engine Speed High - Data Valid but Above Normal
Operational Range - Most Severe Level
235 111
1
Red
Coolant Level
Coolant Level Low - Data Valid but Below Normal
Operational Range - Most Severe Level
237 644
2
Amber
External Speed Input
External Speed Input (Multiple Unit Synchronization) -
Data Erratic, Intermittent, or Incorrect
238 611
4
Amber
System Diagnostic code # 1
Sensor Supply Voltage #3 Circuit – Voltage Below
Normal, or Shorted to Low Source
241 84
2
Amber
Wheel-based Vehicle Speed
Vehicle Speed Sensor Circuit - Data Erratic,
Intermittent, or Incorrect
242 84
10
Amber
Wheel-based Vehicle Speed
Vehicle Speed Sensor Circuit tampering has been
detected – Abnormal Rate of Change
245 647
4
Amber
Fan Clutch Output Device
Driver
Fan Control Circuit - Voltage Below Normal, or
Shorted to Low Source
249 171
3
Amber
Ambient Air Temperature
Ambient Air Temperature Sensor Circuit - Voltage
Above Normal, or Shorted to High Source
256 171
4
Amber
Ambient Air Temperature
Ambient Air Temperature Sensor Circuit - Voltage
Below Normal, or Shorted to Low Source
261 174
16
Amber
Fuel Temperature
Engine Fuel Temperature - Data Valid but Above
Normal Operational Range - Moderately Severe Level
263 174
3
Amber
Fuel Temperature
Engine Fuel Temperature Sensor 1 Circuit - Voltage
Above Normal, or Shorted to High Source
265 174
4
Amber
Fuel Temperature
Engine Fuel Temperature Sensor 1 Circuit - Voltage
Below Normal, or Shorted to Low Source
268 94
2
Amber
Fuel Delivery Pressure
Fuel Pressure Sensor Circuit - Data Erratic,
Intermittent, or Incorrect
271 1347
4
Amber
Fuel Pump Pressurizing
Assembly #1
High Fuel Pressure Solenoid Valve Circuit – Voltage
Below Normal, or Shorted to Low Source
272 1347
3
Amber
Fuel Pump Pressurizing
Assembly #1
High Fuel Pressure Solenoid Valve Circuit – Voltage
Above Normal, or Shorted to High Source
275 1347
7
Amber
Fuel Pump Pressurizing
Assembly #1
Fuel Pumping Element (Front) – Mechanical System
Not Responding Properly or Out of Adjustment
281 1347
7
Amber
Fuel Pump Pressurizing
Assembly #1
High Fuel Pressure Solenoid Valve #1 – Mechanical
System Not Responding Properly or Out of
Adjustment
284 1043
4
Amber
Internal Sensor Voltage Supply
Engine Speed/Position Sensor (Crankshaft) Supply
Voltage Circuit - Voltage Below Normal, or Shorted to
Low Source
285 639
9
Amber
SAE J1939 Datalink
SAE J1939 Multiplexing PGN Timeout Error -
Abnormal Update Rate
286 639
13
Amber
SAE J1939 Datalink
SAE J1939 Multiplexing Configuration Error – Out of
Calibration
287 91
19
Red
Accelerator Pedal Position
SAE J1939 Multiplexing Accelerator Pedal or Lever
Sensor System Error - Received Network Data In
Error
288 974
19
Red
Remote Accelerator
SAE J1939 Multiplexing Remote Accelerator Pedal or
Lever Data Error - Received Network Data In Error
293 441
3
Amber
OEM Temperature
Auxiliary Temperature Sensor Input # 1 Circuit -
Voltage Above Normal, or Shorted to High Source
294 441
4
Amber
OEM Temperature
Auxiliary Temperature Sensor Input # 1 Circuit -
Voltage Below Normal, or Shorted to Low Source
295 108
2
Amber
Barometric Pressure
Barometric Pressure Sensor Circuit - Data Erratic,
Summary of Contents for Genie GTH-4020 ER
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