Engine 'P' Codes - jcb JS300 Service Manual

Should faults occur related to the Engine ECU or the
electrical devices connected to it, the ECU generates fault
codes and stores them in its memory. By using the JCB
Servicemaster Diagnostics Tool these codes can be read
using a laptop computer connected to the ECU. The
system will also display 'real time' data for faults active with
the engine running.
Depending on the machine installation fault codes may be
displayed using one
K Operation Overview ( T
Third Digit System
1 Fuel and Air Metering
2 Fuel and Air Metering (Injector Circuit Malfunction Only )
3 Ignition System or Misfire
4 Auxiliary Emission Control System
5 Vehicle Speed Control and Idle Control System
6 Computer Output Circuit
7 Transmission
8 Transmission
For details of 'P' fault codes refer to the applicable service
manual:
– 9806/4400 Isuzu 6HK1 T4i Engine Service Manual.
A full list of fault codes is also given in JCB Servicemaster.
Refer also to Section K.
C-212

Engine 'P' Codes

or more display systems.
C-209).
Table 3. P Code Definitions
The 'P' fault code will display a 5 digit code followed by a
suffix of 2 digits:
The third digit of the code (in the above example = 2) refers
to which system is affected.
Definitions ( T C-212)
Powertrain Component Affected
Engine
Engine
Engine
Engine
Engine/Transmission
Engine/Transmission
Transmission
Transmission
9813/5100-1
Section C - Electrics
Fault Code System
Engine 'P' Codes
'P1234-56'
K Table 3. P Code
C-212