906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Diagnostic Trouble Codes Caterpillar


Diagnostic Trouble Codes
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1.1. Component Identifier (CID) and Failure Mode Identifier Information

The following is a list of Diagnostic Trouble Codes (DTCs) for the machine. When a diagnostic code becomes active, refer to the Troubleshooting section of this manual for a specific troubleshooting procedure.

Component Identifier (CID) and Failure Mode Identifier Information

Table 1
Machine ECM (MID 71) 
DTC  Description  Procedure 
41-3  8 Volt DC Supply: Voltage above normal  Sensor Supply - Test 
41-4  8 Volt DC Supply: Voltage below normal  Sensor Supply - Test 
70-3  Parking Brake Switch: Voltage above normal  Operator Control Switch (Switch To Ground) - Test 
70-4  Parking Brake Switch: Voltage below normal  Operator Control Switch (Switch To Ground) - Test 
91-3  Throttle Position Sensor: Voltage above normal  Sensor Signal (PWM) - Test 
91-4  Throttle Position Sensor: Voltage below normal  Sensor Signal (PWM) - Test 
91-8  Throttle Position Sensor: Abnormal frequency, pulse width, or period  Sensor Signal (PWM) - Test 
110-3  Engine Coolant Temperature Sensor: Voltage above normal  Sensor Signal (Analog, Passive) - Test 
110-4  Engine Coolant Temperature Sensor: Voltage below normal  Sensor Signal (Analog, Passive) - Test 
91-13  Throttle Position Sensor: Out of calibration  Sensor Signal (PWM) - Test 
133-11  Transmission Pilot Pressure Supply Solenoid: Failure mode not identifiable  Solenoid Valve - Test 
168-3  Electrical System Voltage: Voltage above normal  Electrical Power Supply - Test 
168-4  Electrical System Voltage: Voltage below normal  Electrical Power Supply - Test 
1908-8  Engine Speed Sensor: Abnormal frequency, pulse width, or period  Speed Sensor - Test 
262-3  5 Volt Sensor DC Power Supply: Voltage above normal  Sensor Supply - Test 
262-4  5 Volt Sensor DC Power Supply: Voltage below normal  Sensor Supply - Test 
291-3  Engine Cooling Fan Solenoid: Voltage above normal  Solenoid Valve - Test 
291-5  Engine Cooling Fan Solenoid: Current below normal  Solenoid Valve - Test 
291-6  Engine Cooling Fan Solenoid: Current above normal  Solenoid Valve - Test 
291-13  Engine Cooling Fan Solenoid: Out of calibration  Solenoid Valve - Test 
354-3  Raise Solenoid #1: Voltage above normal  Solenoid Valve - Test 
354-5  Raise Solenoid #1: Current below normal  Solenoid Valve - Test 
354-6  Raise Solenoid #1: Current above normal  Solenoid Valve - Test 
354-13  Raise Solenoid #1: Out of calibration  Solenoid Valve - Test 
355-3  Lower Solenoid #1: Voltage above normal  Solenoid Valve - Test 
355-5  Lower Solenoid #1: Current below normal  Solenoid Valve - Test 
355-6  Lower Solenoid #1: Current above normal  Solenoid Valve - Test 
355-13  Lower Solenoid #1: Out of calibration  Solenoid Valve - Test 
356-3  Dump Solenoid #1: Voltage above normal  Solenoid Valve - Test 
356-5  Dump Solenoid #1: Current below normal  Solenoid Valve - Test 
356-6  Dump Solenoid #1: Current above normal  Solenoid Valve - Test 
356-13  Dump Solenoid #1: Out of calibration  Solenoid Valve - Test 
357-3  Rackback Solenoid #1: Voltage above normal  Solenoid Valve - Test 
357-5  Rackback Solenoid #1: Current below normal  Solenoid Valve - Test 
357-6  Rackback Solenoid #1: Current above normal  Solenoid Valve - Test 
357-13  Rackback Solenoid #1: Out of calibration  Solenoid Valve - Test 
358-11  Implement Pilot Pressure Supply Solenoid: Failure mode not identifiable  Solenoid Valve - Test 
490-3  Implement Lockout Switch: Voltage above normal  Operator Control Switch (Switch To Ground) - Test 
490-4  Implement Lockout Switch: Voltage below normal  Operator Control Switch (Switch To Ground) - Test 
491-3  3rd Function Forward Solenoid: Voltage above normal  Solenoid Valve - Test 
491-5  3rd Function Forward Solenoid: Current below normal  Solenoid Valve - Test 
491-6  3rd Function Forward Solenoid: Current above normal  Solenoid Valve - Test 
492-3  3rd Function Rearward Solenoid: Voltage above normal  Solenoid Valve - Test 
492-5  3rd Function Rearward Solenoid: Current below normal  Solenoid Valve - Test 
492-6  3rd Function Rearward Solenoid: Current above normal  Solenoid Valve - Test 
584-2  Engine Oil Pressure Switch: Data erratic, intermittent, or incorrect  Operator Control Switch (Switch To Ground) - Test 
590-9  Engine Control Module: Abnormal update rate  CAN Data Link - Test 
600-3  Hydraulic Oil Temperature Sensor: Voltage above normal  Sensor Signal (Analog, Passive) - Test 
600-4  Hydraulic Oil Temperature Sensor: Voltage below normal  Sensor Signal (Analog, Passive) - Test 
811-9  Gauge Cluster #1: Abnormal update rate  CAN Data Link - Test 
967-9  Machine Application: Abnormal update rate  CAN Data Link - Test 
967-14  Machine Application: Special Instruction  CAN Data Link - Test 
1401-11  Transmission Solenoid 1: Failure mode not identifiable  Solenoid Valve - Test 
1402-11  Transmission Solenoid 2: Failure mode not identifiable  Solenoid Valve - Test 
1529-4  Quick Coupler Switch: Voltage below normal  Operator Control Switch (Switch To Ground) - Test 
2274-2  Transmission Direction Switch #2: Data erratic, intermittent, or incorrect  Operator Control Switch (Switch To Ground) - Test 
2300-9  Switch Panel: Abnormal update rate  CAN Data Link - Test 
2305-3  Brake/Decelerator Pedal Position Sensor: Voltage above normal  Sensor Signal (PWM) - Test 
2305-4  Brake/Decelerator Pedal Position Sensor: Voltage below normal  Sensor Signal (PWM) - Test 
2305-8  Brake/Decelerator Pedal Position Sensor: Abnormal frequency, pulse width, or period  Sensor Signal (PWM) - Test 
2305-13  Brake/Decelerator Pedal Position Sensor: Out of calibration  Sensor Signal (PWM) - Test 
2716-3  Creep Control Position Sensor: Voltage above normal  Sensor Signal (PWM) - Test 
2716-4  Creep Control Position Sensor: Voltage below normal  Sensor Signal (PWM) - Test 
2716-8  Creep Control Position Sensor: Abnormal frequency, pulse width, or period  Sensor Signal (PWM) - Test 
2730-3  Drive Pump Forward Control Solenoid: Voltage above normal  Solenoid Valve - Test 
2730-5  Drive Pump Forward Control Solenoid: Current below normal  Solenoid Valve - Test 
2730-6  Drive Pump Forward Control Solenoid: Current above normal  Solenoid Valve - Test 
2730-13  Drive Pump Forward Control Solenoid: Out of calibration  Solenoid Valve - Test 
2731-3  Drive Pump Reverse Control Solenoid: Voltage above normal  Solenoid Valve - Test 
2731-5  Drive Pump Reverse Control Solenoid: Current below normal  Solenoid Valve - Test 
2731-6  Drive Pump Reverse Control Solenoid: Current above normal  Solenoid Valve - Test 
2814-11  Quick Coupler Engage Solenoid: Failure mode not identifiable  Solenoid Valve - Test 
2815-11  Quick Coupler Disengage Solenoid: Failure mode not identifiable  Solenoid Valve - Test 
2974-3  Brake Charge Pressure Sensor: Voltage above normal  Sensor Signal (PWM) - Test 
2974-4  Brake Charge Pressure Sensor: Voltage below normal  Sensor Signal (PWM) - Test 
2974-8  Brake Charge Pressure Sensor: Abnormal frequency, pulse width, or period  Sensor Signal (PWM) - Test 
3271-8  Drive Motor Speed Sensor #1 Signal Line #1: Abnormal frequency, pulse width, or period  Speed Sensor - Test 
3272-8  Drive Motor Speed Sensor #1 Signal Line #2: Abnormal frequency, pulse width, or period  Speed Sensor - Test 
3514-9  Engine Throttle Actuator: Abnormal update rate  CAN Data Link - Test 
3561-3  Drive Circuit Forward Pressure Sensor: Voltage above normal  Sensor Signal (Analog, Active) - Test 
3561-4  Drive Circuit Forward Pressure Sensor: Voltage below normal  Sensor Signal (Analog, Active) - Test 
3562-3  Drive Circuit Reverse Pressure Sensor: Voltage above normal  Sensor Signal (Analog, Active) - Test 
3562-4  Drive Circuit Reverse Pressure Sensor: Voltage below normal  Sensor Signal (Analog, Active) - Test 
3563-3  Drive Motor #1 Solenoid: Voltage above normal  Solenoid Valve - Test 
3563-5  Drive Motor #1 Solenoid: Current below normal  Solenoid Valve - Test 
3563-6  Drive Motor #1 Solenoid: Current above normal  Solenoid Valve - Test 
3563-13  Drive Motor #1 Solenoid: Out of Calibration  Solenoid Valve - Test 
4403-4  Gear Range Switch: Voltage below normal  Operator Control Switch (Switch To Ground) - Test 
4404-9  Left Joystick: Abnormal update rate  CAN Data Link - Test 
4404-11  Left Joystick: Failure mode not identifiable  CAN Data Link - Test 
4405-9  Right Joystick: Abnormal update rate  CAN Data Link - Test 
4405-11  Right Joystick: Failure mode not identifiable  CAN Data Link - Test 
4922-3  Work Tool Detection Harness: Voltage above normal  Sensor Signal (Analog, Active) - Test 
4922-4  Work Tool Detection Harness: Voltage below normal  Sensor Signal (Analog, Active) - Test 

Information System:

950M and 962M Wheel Loaders Mounting and Dismounting
D5R2 and D6R2 Track-Type Tractors Wiring Harness (Short Circuit) - Test
826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Engine Supplement Aftercooler - Remove and Install
C3.4B Engines DEF Pressure Does Not Respond
3500E Marine Engines Engine Oil Lines
950 GC Wheel Loader Engine Supplement Engine - Remove and Install
986H Wheel Loader Oscillating Axle (Rear) - Remove and Install
986H Wheel Loader Final Drive (Planetary) - Assemble
826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Engine Supplement Engine Oil Cooler - Remove and Install
2014/09/12 The Fender Support Mount Has Been Improved on Certain Wheel Tractor-Scrapers {7050}
D5R2 and D6R2 Track-Type Tractors Determining Diagnostic Trouble Codes
D5R2 and D6R2 Track-Type Tractors Electrical Connector - Inspect
D6N Track-Type Tractor Systems Piston Pump (Implement)
826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Engine Supplement Aftercooler - Remove and Install
D5R2 Track-Type Tractor Systems Line Relief and Makeup Valve
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Event Codes
826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Engine Supplement Muffler - Remove and Install
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Features
3500E EPA Tier 4 Final and IMO-II/III Switchable Marine Engines Solenoid Valve - Test - Engine
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Electronic Control Module
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Input Components
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Output Components
826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Engine Supplement Hood - Remove and Install
621K Wheel Tractor-Scraper Sound Information and Vibration Information