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Bobcat Fault Codes List: M5103 to M8551

Page 15 of 24 of the full Bobcat fault code list (2,653 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.

Bobcat codes M5103 to M8551

  • M5103Rear Light Output Error Off
  • M5128Front Light Output Controller Failure
  • M5205Battery disconnect output open or short to battery
  • M5206Battery disconnect output short to ground
  • M5207Battery disconnect output open circuit
  • M5232Base solenoid overcurrent
  • M5302Battery disconnect stuck
  • M5303Battery disconnect open error
  • M5307Offset rod solenoid open circuit
  • M5332Offset rod solenoid overcurrent
  • M5421Offset control switch out of range high
  • M5422Offset control switch out of range low
  • M5424Offset control switch out of neutral
  • M5505Auxiliary base solenoid short to battery
  • M5506Auxiliary base solenoid short to ground
  • M5507Auxiliary base solenoid open circuit
  • M5532Auxiliary base solenoid overcurrent
  • M5605Auxiliary rod solenoid short to battery
  • M5606Auxiliary rod solenoid short to ground
  • M5607Auxiliary rod solenoid open circuit
  • M5632Auxiliary rod solenoid overcurrent
  • M5721Auxiliary control switch out of range high
  • M5722Auxiliary control switch out of range low
  • M5724Auxiliary control switch out of neutral
  • M5810Fuel Temperature Too High
  • M5811Fuel Temperature Extremely High
  • M5815Fuel Temperature in Shutdown
  • M5826Fuel Temperature Pre-Shutdown
  • M5902DPF Regeneration Switch Error On
  • M6002DPF Inhibit Regeneration Switch Error On
  • M6004Cab controller no communication
  • M6021Left control switch out of range high
  • M6022Left control switch out of range low
  • M6024Left control switch out of neutral
  • M6102Remote Parked Regeneration Switch Error On
  • M6105Safety valve short to battery
  • M6106Safety valve short to ground
  • M6107Safety valve open circuit
  • M6121Right control switch out of range high
  • M6122Right control switch out of range low
  • M6124Right control switch out of neutral
  • M6132Safety valve overcurrent
  • M6202Tailgate Fan 2 Error On
  • M6203Tailgate Fan 1 Error Off
  • M6204Load moment sensor error
  • M6221Overload warning sensor high
  • M6222Overload warning sensor low
  • M6228Tailgate Fan 2 Failure
  • M6302Tailgate Fan 1 Error On
  • M6303Tailgate Fan 2 Error Off
  • M6328Tailgate Fan 1 Failure
  • M6505ECU Power Short to Battery
  • M6506ECU Power Short to Ground
  • M6507ECU Power Open Circuit
  • M6604ECU No Communication
  • M6702HVAC Output Error On
  • M6703HVAC Output Error Off
  • M6707HVAC Output Open Circuit
  • M6728HVAC Output Failure
  • M6802HVAC Relay Error On
  • M6803HVAC Relay Error Off
  • M6904DCU No Communication
  • M6905Dump valve short to battery
  • M6906Dump valve short to ground detected.
  • M6907Dump valve open circuit detected.
  • M6932Dump valve overcurrent detected.
  • M7028Switched Power Output Controller Failure
  • M7102Electric Fan Output Error On
  • M7103Electric Fan Output Error Off
  • M7107Electric Fan Output Open Circuit
  • M7128Electric Fan Output Controller Failure
  • M7202Electric fan relay error on.
  • M7203Electric fan relay error off.
  • M7316Remote Control No Communication to Transmitter
  • M7423Gateway Controller Not Programmed
  • M7472Main Controller Needs Programming
  • M7473Main controller software outdated.
  • M7497Gateway Controller Programmed
  • M7839Hourmeter Changed
  • M8004Cooling fan controller communication failure.
  • M8005Cooling fan short to battery.
  • M8006Cooling fan short to ground.
  • M8021Throttle pedal signal out of range high.
  • M8022Throttle pedal signal out of range low.
  • M8025Cooling fan unresponsive.
  • M8027Cooling fan CAN error.
  • M8028Throttle pedal redundancy error.
  • M8029Cooling fan wiring fault.
  • M8030Cooling fan controller fault.
  • M8128Wrong DEF Sensor detected
  • M8228Inhibit DESOX/REGEN switch failure
  • M8302Wait to Start Lamp Error On
  • M8303Wait to Start Lamp Error Off
  • M8328Force DESOX/REGEN Switch failure
  • M8402DESOX Service Requested
  • M8450DESOX/REGEN requested but inhibited
  • M8541DPF Automatic Regeneration Active
  • M8542DPF Automatic Regeneration Active (Operate Machine Under Load)
  • M8543DPF Regeneration Required
  • M8551DPF Regeneration Needed – Inhibit Active
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