1453-040
UnclassifiedStarting
What This Code Means
Engine fails to start; Grinding noise when starting the engine; Broken, chipped, or worn teeth on starting motor pinion or flywheel ring gear
Possible Causes
- •Dirty or loose electrical connections
- •Electrical corrosion
- •Irregular engagement between pinion and flywheel ring gear
- •Loose electrical connections
- •Malfunction of the electric starting system
- •Malfunction of the solenoid
- •Starting motor failure
- •Starting motor pinion does not engage flywheel ring gear
- •Worn or frayed wires
Suggested Actions
- 1Check and clean the electrical connections
- 2Check starting motor for proper operation
- 3Consult Caterpillar dealer for assistance or replacement options
- 4Inspect electrical system for loose connections, corrosion, worn/frayed wires, and cleanliness
- 5Inspect starting motor for proper operation
- 6Inspect teeth of starting motor pinion and flywheel ring gear for wear, broken, or chipped teeth
- 7Listen for grinding when engine is started
- 8Make necessary repairs to the electrical system
- 9Refer to the Service Manual Disassembly and Assembly module to remove and install the starting motor
- 10Replace starting motor pinion and flywheel ring gear if damaged teeth are found
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