Range Rover P38
44
AUTOMATIC GEARBOX
NEW RANGE ROVER
22
DESCRIPTION AND OPERATION
Fault effects and warning indications - Diesel vehicles from 95MY
and petrol vehicles up to 99MY (continued)
Fault code
Fault description
Effect
MIL
Warning
lamp
’GEARBOX
FAULT’
message
22
* Pressure control
regulator electrical
short
Limp home mode in third if
stationary, fourth if moving.
On
Yes
23
* Engine torque
reduction
Shift pressure to maximum, no shift
ignition retard, harsh gear
shifts/engagement.
On
Yes
24
* Output speed sensor
signal out of range
Limp home mode in third if
stationary, fourth if moving.
On
Yes
26
* Engine torque signal
out of range
Shift pressure to maximum, harsh,
erratic or elongated shifts can
occur.
On
Yes
27
* Output speed
sensor, no signal
Limp home mode in third if
stationary, fourth if moving.
On
Yes
28
* EAT ECU data
corrupted (ROM and
EEPROM values
disagree)
Limp home mode in third if
stationary, fourth if moving.
On
†
Yes
30
* Gear position switch
status inaccurate with
engine running
Limp home mode in third if
stationary, fourth if moving.
On
Yes
31
* Gear position switch
status inaccurate
when starting engine
Limp home mode in third if
stationary, fourth if moving.
On
Yes
The following fault codes apply to Diesel vehicles from 97MY onwards
and petrol vehicles up to 99MY only
40
* First gear ratio
incorrect
Limp home mode in third if
stationary, fourth if moving.
On
Yes
41
* Second gear ratio
incorrect
Limp home mode in third if
stationary, fourth if moving.
On
Yes
42
* Third gear ratio
incorrect
Limp home mode in third if
stationary, fourth if moving.
On
Yes
43
* Fourth gear ratio
incorrect
Limp home mode in third if
stationary, fourth if moving.
On
Yes
44
* Torque converter
lock-up gear ratio
incorrect
Limp home mode in third if
stationary, fourth if moving.
On
Yes
*= Emissions (OBDll) relevant
†= MIL illuminates immediately (in all other faults, MIL on illuminates in the 2nd consecutive drive cycle if the fault
is still present)
