Diagnostics
JCB Dump Truck Fault Codes: Meanings, Causes & Fixes
In-depth, plain-English guides to JCB Dump Truck fault codes and error codes. Each guide covers what the code means, what triggers it, the most common causes, and the first things to check before you call the dealer.
- 11Logical Error At Gear Range Signal
- 12Logical Error At Direction Select Signal
- 15Logical Error At Direction Select Signal 2. Shift Lever
- 16Logical Error At Axle Connection
- 25Short Circuit To Battery Voltage Or Open Circuit To Transmission Sump Temperature Sensor Input
- 27Short Circuit To Battery Voltage Or Open Circuit At Converter Output Temperature Sensor Input
- 31Short Circuit Battery Voltage Or Open Circuit At Engine Speed Input
- 33Logical Error At Engine Speed Input
- 34Short Circuit To Battery Voltage Or Open Circuit At Turbine Speed Input
- 36Logical Error At Turbine Speed Input
- 37Short Circuit To Battery Voltage Or Open Circuit At Internal Speed Input
- 39Logical Error At Internal Speed Input
- 3AShort Circuit To Battery Voltage Or Open Circuit At Output Speed Input
- 3CLogical Error At Output Speed Input
- 3EOutput Speed Zero Does Not Fit To Other Speed Signals
- 56Engine Conf Timeout
- 57EEC 1 Timeout
- 58EEC 3 Timeout
- 6EEEC 2 Timeout
- 71Short Circuit To Battery Voltage At Clutch K1
- 72Short Circuit To Earth At Clutch K1
- 73Open Circuit At Clutch K1
- 74Short Circuit To Battery Voltage At Clutch K2
- 75Short Circuit To Earth At Clutch K2
- 76Open Circuit At Clutch K2
- 77Short Circuit To Battery Voltage At Clutch K3
- 78Short Circuit To Earth At Clutch K3
- 79Open Circuit At Clutch K3
- 81Short Circuit To Battery Voltage At Clutch K4
- 82Short Circuit To Earth At Clutch K4
- 83Open Circuit At Clutch K4
- 84Short Circuit To Battery Voltage At Clutch KV
- 85Short Circuit To Earth At Clutch KV
- 86Open Circuit At Clutch KV
- 87Short Circuit To Battery Voltage At Clutch KR
- 88Short Circuit To Earth At Clutch KR
- 89Open Circuit At Clutch KR
- 91Short Circuit To Earth At The Reverse Warning Alarm Relay
- 92Short Circuit To Battery Voltage At The Alarm Warning Relay
- 93Open Circuit At The Reverse Warning Alarm Relay
- 94Short Circuit At Starter Interlock Relay
- 95Short Circuit To Battery Voltage At Starter Interlock Relay
- 96Open Circuit At Starter Interlock Relay
- 9AShort Circuit To Vehicle Earth At Converter Lock Up Clutch Solenoid
- 9BOpen Circuit At Converter Lock Up Clutch Solenoid
- 9CShort Circuit To Battery Voltage At Converter Lockup Clutch
- 9DShort Circuit To Vehicle Earth At Retarder Solenoid
- 9EOpen Circuit At Retarder Solenoid
- 9FShort Circuit To Battery Voltage At Retarder Clutch
- A1Short Circuit To Vehicle Earth At Diff Lock Or Axle Connection Solenoid
- A2Short Circuit To Battery Voltage At Diff Lock Or Axle Connection Solenoid
- A3Open Circuit At Diff Lock Or Axle Connection Solenoid
- A4Short Circuit To Vehicle Earth At Warning Signal Output
- A5Open Circuit At Warning Signal Output
- A6Short Circuit To Battery Voltage At Warning Signal Output
- B1Slippage At Clutch K1
- B2Slippage At Clutch K2
- B3Slippage At Clutch K3
- B4Slippage At Clutch K4
- B5Slippage At Clutch KV
- B6Slippage At Clutch KR
- BADifferential Pressure Oil Filter
- BBSlippage At Converter Lockup Clutch
- BDShort Circuit To Vehicle Earth At Engine Brake Solenoid
- BEShort Circuit To Battery Voltage At Engine Brake Solenoid
- BFOpen Circuit To Battery Voltage At Engine Brake Solenoid
- CAEngine Retarder Config Timeout
- D5Error At Valve Power Supply VPS1
- D6Error At Valve Power Supply VPS2
- E3Short Circuit To Battery Voltage At Display Output
- E4Short Circuit To Vehicle Earth At Display Output
Safety-critical: confirm before use
Torque, lifting, and load-chart values are safety-critical. Never operate from these figures alone. Confirm against the official manual and a qualified technician.