Workshop Manual

6E–435
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
DTC P1271 – APS 1– 2 Correlation Error (Cont'd)
Step NoYesValue(s)Action
8 Replace the AP sensor.
Is the action complete?
— Verify repair —
9 Replace the PCM.
IMPORTANT: The replacement PCM must be
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 or not. And then Down
Load the LATEST PROGRAMMED SOFTWARE to the
replacement PCM.
Is the action complete?
— Verify repair —