Service Manual User guide
SECTION 6 - JLG CONTROL SYSTEM
3121262 – JLG Lift – 6-125
8624 86 24 REAR RIGHT STEER SENSOR - DECOUPLED The Rear Right Steer Sen-
sor has become decou-
pled.
8625 86 25 REAR LEFT STEER SENSOR - DECOUPLED The Rear Left Steer Sensor
has become decoupled.
8626 86 26 FRONT LEFT STEER SENSOR - NOT RESPONDING The Front Right Steer Sen-
sor is not responding to
steer commands.
8627 86 27 FRONT RIGHT STEER SENSOR - NOT RESPONDING The Front Left Steer Sen-
sor is not responding to
steer commands.
8628 86 28 REAR LEFT STEER SENSOR - NOT RESPONDING The Rear Right Steer Sen-
sor is not responding to
steer commands.
8629 86 29 REAR RIGHT STEER SENSOR - NOT RESPONDING The Rear Left Steer Sensor
is not responding to steer
commands.
8630 86 30 FRONT RIGHT STEER SENSOR - SHORT TO GROUND OR
OPEN CIRCUIT
There is a Short to Ground
or an Open Circuit to the
Front Right Steer Sensor.
8631 86 31 FRONT RIGHT STEER SENSOR - SHORT TO BATTERY There is a Short to Battery
to the Front Right Steer
Sensor.
8632 86 32 FRONT LEFT STEER SENSOR - SHORT TO GROUND OR
OPEN CIRCUIT
There is a Short to Ground
or an Open Circuit to the
Front Left Steer Sensor.
8633 86 33 FRONT LEFT STEER SENSOR - SHORT TO BATTERY There is a Short to Battery
to the Front Left Steer Sen-
sor.
8634 86 34 REAR RIGHT STEER SENSOR - SHORT TO GROUND OR
OPEN CIRCUIT
There is a Short to Ground
or an Open Circuit to the
Rear Right Steer Sensor.
8635 86 35 REAR RIGHT STEER SENSOR - SHORT TO BATTERY There is a Short to Battery
to the Rear Right Steer
Sensor.
8636 86 36 REAR LEFT STEER SENSOR - SHORT TO GROUND OR
OPEN CIRCUIT
There is a Short to Ground
or an Open Circuit to the
Rear Left Steer Sensor.
8637 86 37 REAR LEFT STEER SENSOR - SHORT TO BATTERY There is a Short to Battery
to the Rear Left Steer Sen-
sor.
8651 86 51 ENGINE SHUTDOWN - AXLE LOCKOUT VALVE FAULT Engine Start is prevented
while there is an Oscillating
Axle fault and vehicle is out
of transport position
990 99 0 <<< HARDWARE >>>
991 99 1 LSS WATCHDOG RESET
992 99 2 LSS EEPROM ERROR
Table 6-8. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence
Fault Message Fault Description Check