Workshop Manuals Factory service & repair Land Rover
01 Freelander 2001 TO 2004MY Onwards Workshop Manual - System Description and Operation - 5th Edition - NAS02 03 04 05 06 07 08 ENGINE - K SERIES KV609 10 11 12 EMISSION CONTROL - K SERIES KV613 14 15 16 17 18 19 ENGINE MANAGEMENT SYSTEM - SIEMENS20 FUEL DELIVERY SYSTEM - K SERIES KV621 22 23 COOLING SYSTEM - K SERIES KV624 25 MANIFOLD AND EXHAUST SYSTEM - K SERIES KV626 27 INTERMEDIATE REDUCTION DRIVE28 AUTOMATIC GEARBOX - JATCO29 DRIVESHAFTS30 31 REAR AXLE AND FINAL DRIVE32 STEERING33 FRONT SUSPENSION34 35 REAR SUSPENSION36 37 BRAKES38 RESTRAINT SYSTEMS39 HEATING AND VENTILATION40 41 AIR CONDITIONING42 43 44 WIPERS AND WASHERS45 CONTROL UNITS46 47 COMMUNICATION DATA BUSES48 49 SECURITY50 51 52 WINDOWS53 54 55 DRIVING AIDS56 NAVIGATION SYSTEM57 58 INSTRUMENTS
Land Rover Freelander System Description and Operation28 · AUTOMATIC GEARBOX - JATCO
28 · Transmission

Diagnostic Trouble Codes (DTC) (page 4 of 4)

Make
Land Rover
Model
Freelander System Description and Operation
Section
Description
AUTOMATIC GEARBOX - JATCODiagnostic Trouble Codes (DTC) · page 4 of 4
background image

AUTOMATIC GEARBOX - JATCO

44-40

DESCRIPTION AND OPERATION

P1841

All

CAN Bus monitoring

All CAN bus components 

operate correctly

CAN Bus malfunction – No 
CAN messages or incorrect 
messages – Check wiring 
and connections – Check 
engine management 
system and instrument 
pack

P1842

All

CAN level monitoring

All CAN bus components 

operate correctly

CAN bus malfunction – No 
CAN messages or 
incorrect/incompatible 
messages – Check wiring 
and connections – Check 
engine management 
system and instrument 
pack

P1844

From 

2002MY

Engine RPM (speed signal)

ECM transmits engine 

speed on CAN

Error flag set – Check 

wiring and connections – 

Check engine management 

system

Engine temperature signal

ECM transmits ECT 

sensor signal on CAN

Error flag set – Check 

wiring and connections – 

Check engine management 

system

Throttle angle signal

ECM transmits throttle 

angle on CAN

Error flag set – Check 

wiring and connections – 

Check APP sensor – Check 

engine management 

system

Virtual throttle angle

ECM transmits virtual 

throttle angle on CAN

Error flag set – Check 

wiring and connections – 

Check APP Sensor – 

Check engine management 

system

CAN bus error – missing 

engine control module

All CAN bus components 

operate correctly

Check ECM and EAT ECU 

wiring and connections – 

Check engine management 

system/Instrument pack

P Code

Applicabili

ty

Component

Correct Operation / 

Value

Description of Fault and 

Rectification Action

Parts & tools for this job Staging For Land Rover Freelander

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.