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CAT Fault Codes List: 6442 to 714

Page 36 of 83 of the full CAT fault code list (8,286 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.

CAT codes 6442 to 714

  • 6442Engine Cylinder #12 Knock Detected
  • 6443Engine Cylinder #12 Pressure Sensor Fault
  • 6446Engine Cylinder #13 Knock Detected
  • 6447Engine Cylinder #13 Pressure Sensor Fault
  • 645Tachometer signal output fault.
  • 6450Engine Cylinder #14 Knock Detected
  • 6451Engine Cylinder #14 Pressure Sensor Fault
  • 6454Engine Cylinder #15 Knock Detected
  • 6455Engine Cylinder #15 Pressure Sensor Fault
  • 6458Engine Cylinder #16 Knock Detected
  • 6459Engine Cylinder #16 Pressure Sensor Fault
  • 646Turbocharger wastegate drive fault.
  • 6462Engine Cylinder #17 Knock Detected
  • 6463Engine Cylinder #17 Pressure Sensor Fault
  • 6466Engine Cylinder #18 Knock Level detected.
  • 6467Engine Cylinder #18 Pressure Sensor FMI issue.
  • 647EFC open load/circuit
  • 6470Engine Cylinder #19 Knock Level detected.
  • 6471Engine Cylinder #19 Pressure Sensor FMI issue.
  • 6474Engine Cylinder #20 Knock Level detected.
  • 6475Engine Cylinder #20 Pressure Sensor FMI issue.
  • 6476Aftertreatment DEF Doser Cooldown Interrupt Count.
  • 6477Aftertreatment DEF Doser Purge Interrupt Count.
  • 64-8Engine Speed Sensor #2 : Abnormal Frequency, Pulse Width, or Period
  • 649Exhaust back pressure regulator control command fault.
  • 650Electronic drive unit power relay fault.
  • 651Injector 1 Fuel quantity/timing high error
  • 652Injector 2 Fuel quantity/timing high error
  • 653Injector 3 Fuel quantity/timing high error
  • 654Injector 4 Fuel quantity/timing high error
  • 655Injector 5 Fuel quantity/timing high error
  • 656Injector 6 Fuel quantity/timing high error
  • 657Injector cylinder #07 fault.
  • 658Injector cylinder #08 fault.
  • 6588Operator Shutdown due to High Exhaust Temperature.
  • 659Injector cylinder #09 fault.
  • 660Injector cylinder #10 fault.
  • 661Injector cylinder #11 fault.
  • 662Injector cylinder #12 fault.
  • 663Injector cylinder #13 fault.
  • 664Injector fault in cylinder #14
  • 665Injector fault in cylinder #15
  • 666Injector fault in cylinder #16
  • 667Injector fault in cylinder #17
  • 668Injector fault in cylinder #18
  • 669Injector fault in cylinder #19
  • 670Injector fault in cylinder #20
  • 671Injector fault in cylinder #21
  • 672Injector fault in cylinder #22
  • 673Injector fault in cylinder #23
  • 674Injector fault in cylinder #24
  • 675Glow plug lamp fault
  • 676Glow plug relay fault
  • 677Starter motor relay fault
  • 678ECU 8 Volts DC Supply 3 Voltage Above Normal 2
  • 679Injection control pressure regulator fault
  • 68Transmission Not Responding
  • 680Variable swirl system fault
  • 681Gear shift inhibit request
  • 682Torque converter lockup disable request
  • 683Driveline disengage request
  • 684Requested clutch slip percentage
  • 685Front axle 1 differential lock disengage request
  • 686Front axle 2 differential lock disengage request
  • 687Rear axle 1 differential lock disengage request
  • 688Rear axle 2 differential lock disengage request
  • 689Central differential lock disengage request
  • 69Auxiliary Output #01 current high
  • 690Central front differential lock disengage request
  • 691Central rear differential lock disengage request
  • 692ABS offroad switch request
  • 69.3ASR offroad switch request
  • 694ASR hill holder switch request
  • 695Engine override control mode
  • 696Requested speed control conditions
  • 697Auxiliary PWM driver #1 fault
  • 698Auxiliary PWM driver #2 fault
  • 699Auxiliary PWM driver #3 fault
  • 70Fault code 70 detected.
  • 700Auxiliary PWM driver #4 fault
  • 70-05Inlet Air Heater Open Circuit
  • 70-06Inlet Air Heater Short Circuit
  • 701Auxiliary I/O #01 fault
  • 702Auxiliary I/O #02 fault
  • 703Auxiliary I/O #03 fault
  • 704Auxiliary I/O #04 fault
  • 70-5Engine Inlet Air Heater Driver #1 : Current Below Normal
  • 70-6Engine Inlet Air Heater Driver #1 : Current Above Normal
  • 707Transmission Failed to Engage Desired Gear
  • 708High Air Conditioner Compressor Temperature
  • 709High Air Conditioner Compressor Voltage
  • 71Key Switch Fault
  • 71-0Engine Idle Shutdown Timer Override
  • 71-01Idle Shutdown Occurrence
  • 71-1Engine Idle Shutdown has Shutdown Engine
  • 71-11Engine Shutdown Override Switch : Special Instruction
  • 71-14Engine Idle Shutdown has Shutdown Engine
  • 712Retarder Control Lamp
  • 713Auto Retarder ON/OFF Switch
  • 714Auto Retarder Pressure Switch
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