Case IH CASE User Manual

Fault codes for CASE wheel loaders

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 a 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).

21901 Engine oil pressure sensor open circuit measuring more than 270 ohms. 33900 Fuel level sender
short circuit measuring less than 16 ohms.

33901 Fuel level sender open circuit measuring more than 270 ohms. 34000 Short circuit in 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

46018 Logical error at direction select signal 46020 Logical fault at park brake status 46021 Logical error
at FNR switch

46023 Short circuit to ground at ride control 46024 Short circuit to battery voltage at ride control 46025
Open circuit at ride control

46037 Short circuit to battery voltage or open circuit at temperature sensor 46038 Short circuit to
ground at temperature sensor

46039 Short circuit to battery voltage or open circuit at converter output temperature sensor 46040
Short circuit to ground at converter output temperature sensor

46049 Short circuit to battery voltage or open circuit at engine speed sensor

46050 Short circuit to ground at engine speed sensor 46051 Logical error at engine speed sensor input

46052 Short circuit to battery voltage or open circuit at turbine speed sensor input 46053 Short 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 intermediate speed sensor input 46056 Short
circuit to ground at intermediate speed input

46057 Logical error at intermediate speed sensor input

46058 Short circuit to battery voltage or open circuit at output speed sensor

46059 Short circuit to ground at output speed sensor 46060 Logical error at output speed sensor 46062
Output speed zero, does not match other speeds.

46064 Invalid gear range restriction (CAN)

46065 Invalid declutch modulation selection (CAN) 46089 Invalid test mode signal (CAN)

46090 Invalid park brake status (CAN) 46091 Invalid shift quality selection (CAN)

46113 Short circuit to battery voltage at clutch K1 46114 Short circuit to ground at clutch K1

46115 Open circuit at clutch K1

46116 Short circuit to battery voltage at clutch K2 46117 Short circuit to ground at clutch K2

46118 Open circuit at clutch K2

46119 Short circuit to battery voltage at clutch K3 46120 Short circuit to ground at clutch K3

46121 Open circuit at clutch K3

46129 Short circuit to battery voltage at clutch K4 46130 Short circuit to ground at clutch K4

46131 Open circuit at clutch K4

46132 Short circuit to battery voltage at clutch KV 46133 Short circuit to ground at clutch KV

46134 Open circuit at clutch KV

46135 Short circuit to battery voltage at clutch KR 46136 Short circuit to ground at clutch KR

46137 Open circuit at clutch KR

46145 Short circuit to ground at backup alarm relay 46146 Short circuit to battery voltage at backup
alarm relay

46147 Open circuit at backup alarm relay 46177 Slippage at clutch K1

46178 Slippage at clutch K2 46179 Slippage at clutch K3 46180 Slippage at clutch K4 46181 Slippage at
clutch KV 46182 Slippage at clutch KR

46183 Oil temperature at valve body is above limit

46185 Engine speed is measured above 5,000 rpm for 0.2 seconds

46186 TCU sensed a voltage at oil filter maintenance switch out of the allowed range (dirty filter) 46195
Oil temperature at converter output is above limit

46196 Short circuit to ground at transmission enable switch indicator circuit 46197 Short circuit to
battery voltage at transmission enable switch indicator circuit

46198 Open circuit at transmission enable switch indicator circuit

46209 Short circuit to battery voltage at power supply for sensors 46210 Short circuit to ground at
power supply for sensors

46211 Low voltage at battery 46212 High voltage at battery 46213 Error at switch 1 for solenoid power
supply 46214 Error at switch 2 for solenoid power supply

46227 Short circuit to battery voltage at display output