AUTOMATIC GEARBOX - ZF4HP22 - 24
Fault code,
OBD II
Fault description
Effect
Warning lamp
illumination
(TestBook)
MIL
Sport/
Manual
P1613
(1)
* Solenoid valves
power supply relay,
sticking open or short
circuit
Limp home mode in low and high ranges. Shift
pressure to maximum, harsh gear shifts/
engagement.
On
On
P1705
(39)
Transmission high/low No apparent effect
range, implausible
input
On
Off
P1810
Sport/Manual warning Lamp fails bulb check or is permanently
On
On
Off
On
(12,
13)
lamp circuit fault
illuminated. No effect on gearbox operation.
P1841
(16)
* CAN bus fault
Maintains current gear in low range, limp
home mode in high range. Shift pressure to
maximum, harsh gear shifts/engagement.
P1842
(15)
* CAN level monitoring Maintains current gear in low range, limp
home mode in range. Shift pressure to
maximum, harsh gear shifts/engagement.
On
On
On
On
P1843
(17)
* CAN time-out
monitoring
Maintains current gear in low range, limp
home mode in high range. Shift pressure to
maximum, harsh gear shifts/engagement.
P1884
(11)
* CAN message:
Engine friction invalid
No apparent effect.
On
On
On
On
On
On
Off
On
Off
Off
Off
On
P1884
(18)
* CAN message:
Throttle position invalid kickdown. Operates in economy modes only.
Substitute throttle angle of 50% adopted. No
P1884
(19)
CAN message: Engine Substitute engine temperature derived from
temperature invalid
other inputs. No apparent effect.
No apparent effect
P1884
(20)
CAN message: Road
speed invalid
P1884
* CAN message:
Engine torque invalid
Substitute engine torque of derived from other
inputs. May affect shift quality.
(33,
34)
P1884
(35)
* CAN message:
Engine speed invalid
Maintains current gear in low range, limp
home mode in high range. Shift pressure to
maximum, harsh gear shifts/engagement.
P1884
(37)
CAN message: Engine No apparent effect.
air intake temperature
invalid
On
On
Off
Off
P1844
(38)
Altitude shift control
invalid
No reduced torque compensation, possible
reduction in performance/ driveability at
altitude or high ambient temperatures.
*
†
= Emissions (OBD II) relevant
On = MIL illuminates immediately (in all other faults, MIL On = illuminates in the 2nd consecutive drive cycle if
fault still present)
44-20
DESCRIPTION AND OPERATION
| Categories | Land Rover Defender, Land Rover Discovery II, Range Rover |
|---|---|
| Tags | Land Rover |
| Model Year | 1999 |
| Download File |
|
| Document Type | Workshop Manual |
| Language | English |
| Product Name | Discovery Series II |
| Product Brand | Land Rover |
| Document File Type | |
| Publisher | landrover.com |
| Wikipedia's Page | http://en.wikipedia.org/wiki/Land_Rover |
| Copyright | Attribution Non-commercial |
(0 votes, average: 0 out of 5)