AXLE GP-REAR 4744910 - Caterpillar

Table 1
Event Code    
Description     Conditions which Activate the Code    System Response    
E125(1) Engine Oil Pressure High Warning     The engine oil pressure is greater than the trip point and the delay time has expired.     The alarm output is activated. The code is logged.    
E126(3) Engine Oil Pressure High Shutdown     The shutdown output is activated. The code is logged. The engine is shut down. Probable Causes
An oil line or an oil passage is restricted.
Faulty oil pressure relief valveRecommended Actions
Blocked Oil Passage or Oil Line
Use various pressure taps in order to determine if an oil passage or oil line is restricted.Faulty Oil Pressure Relief Valve
Inspect the oil pressure relief valve. Replace parts, if necessary.