Isuzu 2000 Trooper Workshop Manual page 1293

6E–424
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
DTC P1271 – APS 1– 2 Correlation Error (Cont'd)
Step
9 Replace the PCM.
IMPORTANT: The
programmed.
Refer to ON-Vehicle Service in Power Control Module
and Sensors for procedures.
And also refer to latest Service Bulletin. Check to see
if the latest software is released ornot. And then Down
Load the LATEST PROGRAMMED SOFTWARE to the
replasement PCM.
Is the action complete?
Action
replacement PCM must
Value(s)
be
— Verify repair
Yes No
—