Lull 944E-42 - Page 198

Electrical System
9-40
944E-42
237 644 2 Amber External Speed Input External Speed Input (Multiple Unit
Synchronization) - Data Erratic, Intermittent, or
Incorrect
238 3511 4 Amber System Diagnostic
code #1
Sensor Supply Voltage #3 Circuit - Voltage
Below Normal, or Shorted to Low Source
239 3511 3 Amber System Diagnostic
code #2
Sensor Supply Voltage #3 Circuit - Voltage
Above Normal, or Shorted to High 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
244 623 4 Amber Red Stop Lamp Red Stop Lamp Driver Circuit - Voltage Below
Normal, or Shorted to Low Source
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 AEB15.60 Page 149 of 157 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
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN Description Cummins Description