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Case IH fault codes & repair guides

All 9,847 codes· 50 per page · page 11 of 197

Case IH fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
177-15 - DECTransmission Control Unit (TCU) or Vehicle Control Module / Engine Control Module (ECM)Transmission oil temperature sensor data valid, above normal range - least severeFull repair manual for code 177-15 - DEC, Transmission Control Unit (TCU) or Vehicle Control Module / Engine Control Module (ECM)
177-16 - DECTransmission Control Unit (TCU)Transmission Oil Temperature - Data Valid But Above Normal Operational Range - Moderately Severe LevelFull repair manual for code 177-16 - DEC, Transmission Control Unit (TCU)
178TMF (Tractor Multifunction Controller) / PTO ControllerPTO speed sensor has been changed.Full repair manual for code 178, TMF (Tractor Multifunction Controller) / PTO Controller
179TMF (Tractor Management Function / Transmission Controller) or PTO ControllerThe PTO is receiving no frequency from the Shaft Size Sensor on a two speed PTO.Full repair manual for code 179, TMF (Tractor Management Function / Transmission Controller) or PTO Controller
180TMF (Tractor Multi-Function Controller)The PTO is receiving signals from the Shaft Size Sensor on a single speed PTO configuration.Full repair manual for code 180, TMF (Tractor Multi-Function Controller)
187Engine Control Module (ECM)Sensor Supply 2 Voltage is too lowFull repair manual for code 187, Engine Control Module (ECM)
191Engine Controller (Engine ECU)ATC clutch driver shorted to ground when ONFull repair manual for code 191, Engine Controller (Engine ECU)
191-00 - DECTransmission Electronic Control Module (ECM / TCU)Transmission Output Shaft Speed - Data Valid But Above Normal Operational Range - Most Severe LevelFull repair manual for code 191-00 - DEC, Transmission Electronic Control Module (ECM / TCU)
191-01 - DECTransmission Control Module (TCM) or Instrumentation ControllerTransmission Output Speed Sensor (TOSS) / Vehicle Speed Sensor (VSS) Data Valid But Below Normal Operational Range - Most Severe LevelFull repair manual for code 191-01 - DEC, Transmission Control Module (TCM) or Instrumentation Controller
191-02 - DECTransmission ControllerTransmission Output Speed Sensor data is erratic, intermittent, or incorrectFull repair manual for code 191-02 - DEC, Transmission Controller
191-03 - DECTransmission Control Module (TCM) or Engine Control Module (ECM)Transmission Output Shaft Speed - Voltage Above Normal, or Shorted to High SourceFull repair manual for code 191-03 - DEC, Transmission Control Module (TCM) or Engine Control Module (ECM)
191-04 - DECTransmission Control Module (TCM) or Engine Control Module (ECM)Transmission Output Shaft Speed (TOSS) or Vehicle Speed Sensor (VSS) Signal Voltage Below Normal, or Shorted to Low SourceFull repair manual for code 191-04 - DEC, Transmission Control Module (TCM) or Engine Control Module (ECM)
191-08 - DECTransmission Electronic Control Module (Transmission ECM / TCU)Transmission Output Speed Sensor Abnormal Frequency, Pulse Width, or PeriodFull repair manual for code 191-08 - DEC, Transmission Electronic Control Module (Transmission ECM / TCU)
191-18 - DECEngine Control Module (ECM)Transmission Output Shaft Speed - Data Valid But Below Normal Operating Range - Moderately Severe LevelFull repair manual for code 191-18 - DEC, Engine Control Module (ECM)
211Engine Controller (ENG)Communications problem with Armrest, Instrumentation, or Transmission ControllersFull repair manual for code 211, Engine Controller (ENG)
212Engine Controller (ENG / ECM)Oil Temperature Sensor Voltage is too highFull repair manual for code 212, Engine Controller (ENG / ECM)
213Engine Controller (Engine ECU)Oil Temperature Sensor Voltage is too lowFull repair manual for code 213, Engine Controller (Engine ECU)
214Engine Control Unit (ECU / ECM)Oil Temperature Sensor Voltage is above normal rangeFull repair manual for code 214, Engine Control Unit (ECU / ECM)
219Engine Control Module (ENG / ECM)Oil Level -- remote reservoir is too low. Add oil.Full repair manual for code 219, Engine Control Module (ENG / ECM)
221Engine Controller (ENG / ECM)Ambient Air Pressure Sensor Voltage is too highFull repair manual for code 221, Engine Controller (ENG / ECM)
222Engine Control Module (ECM)Ambient Air Pressure Sensor Circuit - Voltage Below Normal, or Shorted to Low SourceFull repair manual for code 222, Engine Control Module (ECM)
223Engine ECMCORS (Centinel™ Oil Replacement System) Burn Valve Solenoid circuit is shorted either low (to ground) or high (to a voltage source)Full repair manual for code 223, Engine ECM
227Engine Control Module (ECM) or Motor Control Module (MCM)Sensor Supply 2 Circuit – Voltage Above Normal or Shorted to High SourceFull repair manual for code 227, Engine Control Module (ECM) or Motor Control Module (MCM)
234Engine Control Module (ECM)Engine Speed has exceed the overspeed warning limit.Full repair manual for code 234, Engine Control Module (ECM)
235Engine Control Unit (ECU)Engine Coolant Level is low. Add coolant fluid.Full repair manual for code 235, Engine Control Unit (ECU)
237Engine Controller (ENG / Engine ECM)External Speed Multi Unit Sync Command Input Data IncorrectFull repair manual for code 237, Engine Controller (ENG / Engine ECM)
241ENGVehicle Speed Signal lostFull repair manual for code 241, ENG
242ENG (Engine Control Module / ECM)Vehicle Speed Signal intermittent / tamperingFull repair manual for code 242, ENG (Engine Control Module / ECM)
243ENG (Engine Controller / Engine ECU)Error detected in exhaust brake relay.Full repair manual for code 243, ENG (Engine Controller / Engine ECU)
245Engine Controller (ENG / ECM)Fan Clutch Voltage too lowFull repair manual for code 245, Engine Controller (ENG / ECM)
254Engine Control Module (ECM / ENG)Fuel Shutoff Valve Voltage too lowFull repair manual for code 254, Engine Control Module (ECM / ENG)
255Engine Control Module (ECM) / ENGFuel Shutoff Valve Voltage too highFull repair manual for code 255, Engine Control Module (ECM) / ENG
259Engine Control Module (ECM)Fuel Shutoff Valve is mechanically stuck openFull repair manual for code 259, Engine Control Module (ECM)
263Engine Control Module (ECM)Fuel Temperature Sensor voltage is too highFull repair manual for code 263, Engine Control Module (ECM)
265Engine Control Unit (ECU / ECM)Fuel Temperature Sensor voltage is too lowFull repair manual for code 265, Engine Control Unit (ECU / ECM)
268Engine Controller (ENG)Fuel Pressure in pump is not changing with operating conditions.Full repair manual for code 268, Engine Controller (ENG)
271Engine Control Module (ECM)Front Pumping Control Valve current is low during 'click test' (open circuit)Full repair manual for code 271, Engine Control Module (ECM)
272Engine Control Module (ECM)Front Pumping Control Valve current is highFull repair manual for code 272, Engine Control Module (ECM)
273Engine Control Module (ECM)Rear Pumping Control Valve current is low during 'click test'Full repair manual for code 273, Engine Control Module (ECM)
274Engine Controller (ENG)Rear Pumping Control Valve current is highFull repair manual for code 274, Engine Controller (ENG)
275Engine Control Module (ECM / ENG)Front Pumping Element of the CAPS Fuel PumpFull repair manual for code 275, Engine Control Module (ECM / ENG)
276Engine Controller (ENG)Injection Control Valve current is out of rangeFull repair manual for code 276, Engine Controller (ENG)
277Engine Control Module (ECM / ENG)Injection Control Valve is failedFull repair manual for code 277, Engine Control Module (ECM / ENG)
278Engine Controller (ENG)Fuel Lift Pump is failedFull repair manual for code 278, Engine Controller (ENG)
279Engine Controller (ENG)Injection Control Valve current is out of rangeFull repair manual for code 279, Engine Controller (ENG)
281Engine Control Module (ECM)Front Pumping element is failedFull repair manual for code 281, Engine Control Module (ECM)
282Engine Control Module (ECM)Rear Pumping element is failedFull repair manual for code 282, Engine Control Module (ECM)
283Engine Control Module (ECM)Engine Speed/Position Sensor supply voltage is too highFull repair manual for code 283, Engine Control Module (ECM)
284Engine Control Module (ECM)Engine Speed/Position Sensor (Crankshaft) Supply Voltage Circuit - Voltage Below Normal or Shorted to Low SourceFull repair manual for code 284, Engine Control Module (ECM)
285Engine Control Module (ECM) / Engine ControllerJ1939 Parameter was set to be multiplexed, but not received (timeout error)Full repair manual for code 285, Engine Control Module (ECM) / Engine Controller