Case Repair Articles

Fault codes for CASE wheel loaders

List of fault codes for Case Machinery wheel loaders

Use this fault code chart to check what it means, then look at the service manual and operator manual on this website by doing a site search for help in diagnosing and fixing the fault code problem.


CODE

DEFINITION

12110

Engine coolant temperature is 110° C (230° F) or greater

12900

Engine coolant temperature sensor short circuit measuring less than 50 ohms.

12901

Engine coolant temperature sensor open circuit measuring greater than 10,000 ohms with hydraulic oil temperature at 40° C (104° F) or more, indicated by the resistance of 1463 ohms or less.

13000

Low engine coolant level – This code will not be generated if the engine coolant temperature is below 20° C (68° F).

21070
Engine oil pressure is measured below 70 kPa (10 psi)

21900
Engine oil pressure sensor short circuit measuring less than 16 ohms and engine coolant temperature is greater than or equal to 70° C (158° F).
21901The engine oil pressure sensor open circuit measuring more than 270 ohms.


33900

Fuel level sender short circuit measuring less than 16 ohms.

34000
Short circuit in the fuel solenoid circuit

35000

High air filter restriction
42125
Transmission temperature measured above 125° C (257° F)

45000
High transmission filter restriction when the transmission oil is above 20° C (68° F)
46017
Gear range fault error
46018Logical error at direction select signal
46020Logical faults at park brake status
46021Logical error at FNR switch

46023

Short circuit to ground at ride control
46024Short circuit to battery voltage at ride control
46025Open circuit at ride control
46037Short circuit to battery voltage or open circuit at temperature sensor

46038
Short circuit to ground at the temperature sensor
46039Short circuit to battery voltage or open circuit at converter output temperature sensor
46040Short circuit to ground at converter output temperature sensor
46049
Short circuit to battery voltage or open circuit at the engine speed sensor

46050

Short circuit to ground at engine speed sensor
46051Logical error at engine speed sensor input

46052
Short circuit to battery voltage or open circuit at turbine speed sensor input
46053Short circuit to ground at turbine speed sensor input

46054

Logical error at turbine speed sensor input

46055

Short circuit to battery voltage or open circuit at the intermediate speed sensor input
46056Short circuit to ground at intermediate speed input

46057
Logical error at the intermediate speed sensor input

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