P0604 Pcm Ram Error - Isuzu 2000 Trooper Workshop Manual

Diagnostic Trouble Code (DTC) P0604 PCM RAM Error
Circuit Description
The powertrain control module (PCM) used Main CPU
RAM and Watchdog CPU RAM.
Conditions for Setting the DTC
D This code detects inconsistencies between Main CPU
RAM and Watchdog CPU RAM.
Action Taken When the DTC Sets
D The PCM will not illuminate the malfunction indicator
lamp (MIL).
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
D The PCM will store conditions which were present
when the DTC was set in the Failure Records data only.
Conditions for Clearing the MIL/DTC
D The PCM will turn the MIL "OFF" on the third
consecutive trip cycle during which the diagnostic has
been run and the fault condition is no longer present.
D A history DTC P0604 will clear after 40 consecutive
warm-up cycles have occurred without a fault.
D DTC P0604 can be cleared by using the Tech 2 "Clear
Info" function or by disconnecting the PCM battery
feed.
6E–369
060RY014