Range Rover P38
ZF AUTO
21
DESCRIPTION AND OPERATION
Fault effects and warning indications - Diesel vehicles from 95MY
and petrol vehicles up to 99MY
Fault code
Fault description
Effect
MIL
Warning
lamp
’GEARBOX
FAULT’
message
1
* Solenoid supply
malfunction
Limp home mode in third if
stationary, fourth if moving.
On
Yes
2
* EAT ECU data
corrupted (ROM and
checksum values
disagree)
Limp home mode in third if
stationary, fourth if moving.
On
†
Yes
5
* Throttle angle
malfunction
Substitute throttle angle of 30%
used.
On
Yes
6
* Shift solenoid MV1
malfunction
Limp home mode in third if
stationary, fourth if moving.
On
Yes
6
* Shift solenoid MV1
short
Limp home mode in third if
stationary, fourth if moving.
On
Yes
7
* Shift solenoid MV2
malfunction
Limp home mode in third if
stationary, fourth if moving.
On
Yes
7
* Shift solenoid MV2
short
Limp home mode in third if
stationary, fourth if moving.
On
Yes
9
* MES 1 fault
No default condition. BeCM
recognises sport mode as a fault,
economy as low range manual and
manual as economy.
No
No
10
* MES 2 fault
No default condition. BeCM
recognises sport mode as a fault,
economy as low range manual and
manual as economy.
No
No
12
* Throttle angle
electrical short
Substitute throttle angle of 30%
used.
On
Yes
13
* EAT ECU circuit
output state does not
match command state
Limp home mode in third if
stationary, fourth if moving.
On
Yes
20
* Solenoid supply
malfunction
Limp home mode in third if
stationary, fourth if moving.
On
†
Yes
21
* Engine speed signal
out of range
Limp home mode in third if
stationary, fourth if moving.
On
†
Yes
21
* Engine speed, no
signal
Limp home mode in third if
stationary, fourth if moving.
On
†
Yes
22
* Pressure control
regulator malfunction
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)