2007 ISUZU KB P190 FLASH CODE

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Page 1856 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE CONTROL SYSTEM (4JK1/4JJ1)   6E-239
DTC P124B (Flash Code 157)
Circuit Description 
The ECM calculates the optimum fuel injection ON time 
using data sent from various engine sensors. The
commo

Page 1859 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-242   ENGINE CONTROL SYSTEM (4JK1/4JJ1)
DTC P1261 (Flash Code 34)
Circuit Description 
The charge up circuit in the ECM steps up the voltage 
for fuel injectors and is divided into two banks, commo

Page 1861 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-244   ENGINE CONTROL SYSTEM (4JK1/4JJ1)
DTC P1262 (Flash Code 34)
Circuit Description 
The charge up circuit in the ECM steps up the voltage 
for fuel injectors and is divided into two banks, commo

Page 1863 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-246   ENGINE CONTROL SYSTEM (4JK1/4JJ1)
DTC P1404 (Flash Code 45)
Circuit Description 
The ECM controls the EGR valve opening based on the 
engine running condition and by controlling the EGR
solen

Page 1865 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-248   ENGINE CONTROL SYSTEM (4JK1/4JJ1)
DTC P1411, P1412 or P1413 (Flash Code 445)
Circuit Description 
The ECM controls the EGR valve opening based on the 
engine running condition and by controll

Page 1867 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-250   ENGINE CONTROL SYSTEM (4JK1/4JJ1)
DTC P156A or P156B (Flash Code 135)
Circuit Description 
The ECM monitors the battery voltage on the ECM 
main relay voltage feed terminal to make sure that

Page 1870 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE CONTROL SYSTEM (4JK1/4JJ1)   6E-253
DTC P161B (Flash Code 179)
Circuit Description 
The ECM communicates with the immobilizer control 
unit (ICU) to execute immobilizer function. The ECM
transm

Page 1872 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE CONTROL SYSTEM (4JK1/4JJ1)   6E-255
DTC P1621 (Flash Code 54, 254)
Circuit Description 
The electrically erasable & programmable read only 
memory (EEPROM) memorizes learning data, VIN data
and