Komatsu Track Dozer Fault Codes List: DDDDKX to DGT5KA
Page 6 of 13 of the full Komatsu Track Dozer fault code list (1,253 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.
Komatsu Track Dozer codes DDDDKX to DGT5KA
- DDDDKXBack up brake Sw: Signal mismatch
- DDE2KAPre- lubricating Oil Pressure Switch: Disconnection
- DDE2L6Engine Oil Pressure Switch: Signals of Engine Oil Pressure Switch are Inconsistent With Operation State or Stop State
- DDK3KAForward Switch:Disconnection
- DDK3KBForward Switch:Short Circuit
- DDK3L4Forward Switch: Signal Disagreement
- DDK5KAGearshift Switch: Disconnection
- DDK5KBGearshift Switch: Short Circuit
- DDKAKABlade Float Switch: Open
- DDKAKBBlade Float Switch: Short Circuit
- DDKBKABlade Auto Pitch Sw: Open
- DDKBKBBlade Auto Pitch Sw: Short Circuit
- DDKCL4Ripper Tilt in Sw: Signal Mismatch
- DDKEL4Ripper Tilt Back Sw: Signal Mismatch
- DDKFL4Left Angle Switch Signal Mismatch (Power Train Controller System)
- DDKGL4Inconsistency Of Two Lines Of NO For Right Angle Lever (Power Train Controller System)
- DDKHKABoth NO And NC Circuits For iB Switch Are Broken Off At The Same Time (Open Circuit) (Power Train Controller System)
- DDKHKBBoth NO And NC Circuits For iB Switch Are Closed At The Same Time (Short Circuit) (Power Train Controller System)
- DDN1LDBlade Lift Raise Full Oil Pressure Switch: Refer to Table
- DDN2LD(Blade Tilt Right Oil Pressure Switch System: Switch Is ON For Long Time
- DDN3LDBlade Tilt Left Oil Pressure Switch System: Switch Is ON For Long Time
- DDN4LDRipper Lift UP Pressure Switch: Refer To RTable (LD). (Steering Control System)
- DDN5LDRipper Lift DOWN Pressure Switch: Refer To Table (LD). (Steering Control System)
- DDN6LDRipper Tilt IN Pressure Switch: Refer To Table (LD). (Steering Control System)
- DDN7KAPitch Control Switch: Disconnection (KA) (Steering and Transmission Controller System)
- DDN7KBPitch Control Switch: Short Circuit (KB) (Steering and Transmission Controller System)
- DDN7L4Blade Pitch Back Sw: Signal Mismatch
- DDN8KAWEQ Knob Sw (Up): Disconnection
- DDN8KBWEQ Knob Sw (Up): Short circuit
- DDN8L4Blade Pitch Dump Sw: Signal Mismatch
- DDN9KABlade Tilt Switch: Disconnection (KA) (Transmission Controller System)
- DDN9KBBlade Tilt Switch: Short Circuit (KB) (Transmission Controller System)
- DDNALD(Blade Lift Raise Full Oil Pressure Switch: Switch Is ON For Long Time
- DDNBLDRipper Lift Raise Oil Pressure Switch: Switch Is ON For Long Time
- DDNCLDRipper Lift Lower Oil Pressure Switch: Switch Is ON For Long Time
- DDNDLDRipper Lift Tilt-in Oil Pressure Switch is Kept ON for Long Time
- DDNELD(Ripper Tilt Back Oil Pressure Switch: Switch Is ON For Long Time
- DDNFLDBlade Lift Lower Full Oil Pressure Switch: Switch Is ON For Long Time
- DDNLKABoth NO And NC Circuits For Work Equipment Lock Switch Are Turned OFF At The Same Time (Open Circuit) (Power Train Controller System)
- DDNLKBBoth NO And NC Circuits For Work Equipment Lock Switch Are Turned ON At The Same Time (Short Circuit) (Power Train Controller System)
- DDP6KABrake Oil Pressure Sensor: Disconnection
- DDP6KBBrake Oil Pressure Sensor: Short Circuit
- DDP6MABrake Oil Pressure Sensor: Malfunction
- DDPKBBrake Oil Pressure Sensor Short Circuit
- DDQ22L4Parking Brake Lever Switch Disagreement
- DDQ2KAParking brake lever switch: Disconnection (Steering and transmission controller system)
- DDQ2KBParking brake lever switch: Short circuit (Steering and transmission controller system)
- DDQ2L4Parking Brake Lever Switch: See Table (L4) (Steering Controller System)
- DDT0L4Shift Mode Switch: Disagreement of ON/ OFF Signals
- DDT5KANeutral Switch: Disconnection
- DDT5KBNeutral Switch: Short Circuit
- DDT5KQLever Specification Selection (Model Selection Signal Disagreement)
- DDTSL1Stator Clutch: Fill High
- DDTSLHStator Clutch: Fill Low
- DDU1FSTravel Lock Limit Switches 1 and 2: Fixing
- DDU1KATravel Lock Limit Switch 2: Disconnection
- DDU1KYTravel Lock Limit Switch 2: Short Circuit With Power Supply Line
- DEL3LCEngine Ne Speed Sensor: Engine Controller System
- DFA4KXBlade Lift Lever: Main And Sub Error
- DFA4KZBL lever: Disconnection or short circuit
- DFA4L8Blade Lift Lever: Signal Mismatch
- DFA5KABL lever 1: Disconnection
- DFA5KBBlade Lift Lever 1: Hot Short
- DFA6KABL lever 2: Disconnection
- DFA6KBBlade Lift Lever 2: Hot Short
- DFA7KXBlade Tilt Lever: Main And Sub Error
- DFA7KZBT lever: Disconnection or short circuit
- DFA7L8Blade Tilt Lever: Signal Mismatch
- DFA8KABT lever 1: Disconnection
- DFA8KBBlade Tilt Lever 1: Hot Short
- DFA9KABT lever 2: Disconnection
- DFA9KBBlade Tilt Lever 2: Hot Short
- DFAAKXRipper Lift Lever: Main and Sub Error
- DFAAKZRL lever: Disconnection or short circuit
- DFAAL8Ripper Lift Lever: Signal Mismatch
- DFABKARL lever 1: Disconnection
- DFABKBRipper Lift Lever1: Hot Short
- DFACKARL lever 2: Disconnection
- DFACKBRipper Lift Lever2: Hot Short
- DFADKXRT lever 1: Out of normal range
- DFADKZRT lever: Disconnection or short circuit
- DFADL8RT lever: Signal mismatch
- DFAEKART lever 1: Disconnection
- DFAEKBRT lever 1: Short circuit
- DFAFKART lever 2: Disconnection
- DFAFKBRT lever 2: Short circuit
- DGE1KBEngine Oil Temperature Sensor System: Short Circuit
- DGE1KYEngine Oil Temperature Sensor System: Disconnection
- DGE2KXEngine Coolant Temperature Sensor (For High Temperature): Input Signal Is Out Of Normal Range (KX) (Engine Controller System)
- DGE3KAEngine Coolant Temperature Sensor (For Low Temperature): Disconnection
- DGE3L6Engine Coolant Temperature Sensor: Signals of Engine Coolant Temperature Sensor Are Inconsistent With Operation State or Stop State
- DGE4KXFuel Temperature Sensor: Input Signal is Out of Normal Range (KX) (Engine Controller System)
- DGE5KBTrouble In Atmospheric Temperature Sensor System
- DGE5KXAmbient Temperature Sensor Abnormality
- DGES1KXHydraulic Oil Temperature: Signal Abnormal
- DGS1KAHydraulic Oil Temperature sensor Open Circuit (Power Train Controller System)
- DGS1KXHydraulic Oil Temperature Sensor: Input Signal is out of Normal Range (KX) (Steering and Transmission Controller System)
- DGT1KAPower train oil temperature sensor: Disconnection (Steering and transmission controller system)
- DGT1KXPower train oil temperature sensor: Input signal is out of normal range (Steering and transmission controller system)
- DGT5KALeft Bank Exhaust Temperature Sensor System (Front): Disconnection (Or LED Of VHMS Controller Indicates "N3" o "12")
Other Komatsu machine types
Fault code lists by brand
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Safety-critical: confirm before use
Safety first: park on level ground, stop the engine, and secure the machine before any inspection. Thresholds, component locations, wire numbers, fuse locations, and reset procedures can vary by model, configuration, and serial number. Confirm them in the service documentation for your exact machine.