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Case Wheel Loader Fault Codes List & Code Lookup

Look up 1,859 Case Wheel Loader fault codes and error codes, in plain English. Find your code below, then hand it to the AI assistant for what it means and the first things to check.

Full Case Wheel Loader fault code list

A generic J1939 reader pulls 772 of these; the other 1,087 need Case Wheel Loader tooling to read in full. Every listed code is below, in code order, 100 to a page.

Codes on file

1,859

Readable as J1939 SPN/FMI

772

Case Wheel Loader-specific

1,087

  • 1113Engine Coolant Temperature Sensor Voltage Is Higher Than Expected
  • 1145Fuel Pressure Relief Valve Reached Maximum Allowed Opening Count
  • 115DECU Temperature Sensor 1 Is Too High
  • 1161Battery Voltage Is Higher Than Expected
  • 119ADEF Tank Level Sensor Voltage Too High
  • 11CEUpstream NOx Sensor Self-Diagnosis Result Is Higher Than The Limit
  • 11E3Oil Temperature Sensor Voltage Is Higher Than Expected
  • 12110Engine Coolant Temperature is 110° C (230° F) or Greater
  • 1225Rail Pressure Sensor Value Is Above Maximum Offset
  • 1238Turbine Over Speed Failure
  • 125DECU Temperature Sensor 2 Is Too High
  • 12900Engine Coolant Temperature Sensor Short Circuit Measuring Less Than 50 Ohms
  • 12901Engine Coolant Temperature Sensor Open Circuit
  • 13000Low Engine Coolant Level
  • 1310Hydraulic Filter Blocked
  • 1311Engine Air Filter Blocked
  • 1312Hydraulic Oil Temperature Above Normal
  • 1313Hydraulic Oil Temperature Too High
  • 1314Transmission Oil Temperature Above Normal
  • 1315Transmission Oil Temperature Too High
  • 1316Brake Pressure Too Low
  • 1317Steering Pressure Too Low
  • 1318Engine Coolant Temperature Above Normal
  • 1319Engine Coolant Temperature High - Critical
  • 1320Engine Oil Pressure Too Low
  • 1321Engine Oil Pressure Below Normal
  • 1322Engine Oil Pressure Above Normal
  • 1323Battery Voltage Low
  • 1324Battery Voltage High
  • 1325Oil Temperature Too High
  • 1326Coolant Level Low
  • 1327Moved During Accelerated Idle
  • 1328Moving When Shifting To Low Idle
  • 1329WIF Sensor Not Present
  • 1331Electrical Charging System Voltage Low - Critical Level
  • 1332Water Detected In Fuel
  • 1333Engine Overspeed
  • 1334Intake Manifold Temperature High - Critical
  • 1335Brake Pressure Too Low
  • 1336Transmission Oil Filter Blocked
  • 1338Over Boost Failure
  • 1341Sec. Steering Pressure Too Low
  • 1342Steering Pressure Sensor Open Circuit
  • 1343Sec. Steering Pressure Sensor Open Circuit
  • 1361Battery Voltage Is Higher Than Expected
  • 1374Intake Manifold Temperature Sensor Voltage Is Higher Than Expected
  • 1383Water Pump Inlet Pressure Sensor Voltage Is Higher Than Expected
  • 1392Cylinder 2 Open Load
  • 13A3Crankcase Pressure Sensor Voltage Is Higher Than Expected
  • 13C4ECU Internal Failure - Ambient Pressure Sensor Voltage Is Higher Than Expected
  • 141ADownstream SCR Catalyst Temperature Is Too High
  • 1425Fuel Rail Pressure Sensor Voltage Is Higher Than Expected
  • 1438Under Boost Failure
  • 144EDEF Quality Sensor Internal Failure (Concentration Value Is Higher Than Expected)
  • 1493High Pressure Intercooler Outlet Temperature Sensor Voltage Is Higher Than Expected
  • 1565Fuel Rail Pressure Has Exceeded Maximum Negative Deviation Limits
  • 15AADEF Temperature Sensor Voltage Sensor Voltage Is Higher Than Expected
  • 15E3Crankcase Pressure Too High
  • 15E5Prefilter Fuel Pressure Sensor Voltage Is Higher Than Expected
  • 161ADownstream SCR Catalyst Temperature Sensor Voltage Is Higher Than Expected
  • 1636Number Of Desired Injections Exceeds Threshold
  • 165DECU Temperature Sensor Voltage Is Higher Than Expected
  • 16B1Signal Range Check High For Acceleration Pedal Position Device Driver Sensor 1
  • 16E5Prefilter Fuel Pressure Sensor Voltage Is Lower Than Expected
  • 1745Fuel Pressure Relief Valve Has Reached Maximum Allowed Open Time
  • 1758Exhaust Gas Pressure Sensor Voltage Is Higher Than Expected
  • 17AADEF Tank Temperature Sensor Plausibility Max Threshold
  • 17E3Calculated Soot In Oil Value Has Exceeded The Allowable
  • 1812Open Circuit, Short To Battery Or Short To Ground At JSS Armrest Switch
  • 1816Open Circuit / JSS Activation Switch Mechanical Defect
  • 181AUpstream SCR Catalyst Temperature Too High
  • 1820Check JSS Relay, JSS Valve, JSS Joystick Power Supply Connections
  • 1821Short To Ground On JSS Relay 85/AIC 1.21 Or Short To Power On Relay 86/87a. Or Activation Switch Failure
  • 1823JSS Relay, Ground Connect., Bad Elec. Connect
  • 1824Short To Battery At Activation Button
  • 1830Open Circuit Between Activation Switch Pin 3 And C5.E Pin 1
  • 1831JSC Controller, Wrong Operation and Internal Fault
  • 1832JSC Controller, JSC Signal In, Out Of Limits
  • 1833Output Signal From JSC Controller To Valve Out Of Limits
  • 1834JSS Controller, JSC Output, SC To BAT Power Is Applied To One Of The JSC Controller Outputs
  • 1835JSS-Valve/Pin4 JSC/Pin5 Short To Power, Short To Ground Or Open Circuit
  • 1836JSS Controller, Board Temperature, Out Of Limits Temperature On The JSC Board Is <-40C or>+85C;
  • 1837JSS Controller, Switched Power, Out Of Limits Switched Power Supply At JSC Pin3 Is Out Of Limit
  • 1838Neutral Switch Out Of Range
  • 1839Joystick Steering Is Not Calibrated
  • 1841JSS Valve Internal Error, Spool Position Not Accurate Or Signal Voltage Out Of Range
  • 1842JSS Valve Pin2 (Alarm Signal) Open Circuit
  • 1843Pilot Pressure Switch Open When HSS Is Deactivated
  • 1844Pilot Pressure Switch Short To Ground
  • 1845Pilot Pressure Switch Stays Closed (Input JSC8+1) Although JSS Is Activated
  • 1846Standard Steering Orbit Or Tank Pressure Transducer Switch Short To Power Or Short To Ground
  • 1847JSC Model Type Not Available, No Model Type Information Available In JSC, Probably Missing Information From AIC
  • 184AMonitoring Of Over Pressure
  • 1850JSS Joystick Pins 2, 4, Or 6 Short To Ground, Short To Battery Or Open Circuit, Or JSS Joystick Internal Failure
  • 1852JSS Joystick Pins 5 Open Circuit, Or JSS Joystick Internal Failure
  • 1860CAN Timeout Of C5.E Detected By JSC
  • 1861CAN Timeout Of AIC Detected By JSC Controller
  • 1863Internal Malfunction Transmission Controller
  • 1864Test
  • 1865Fuel Rail Pressure Has Exceeded Maximum Limit

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