900 Convertible Top Troubleshooting
Trunk
release
button inoperative
a. Incorrect programming?
there is a programming problem, the TSAS ECM will not allow remote Op-
eration of the trunk motor because it cannot determine if the trunk lid will
lide with the Tonneau cover, The customer usually complains of some other
top operation problem at the same time. Reprogramming can correct both
problems.
Reprogram top.
b. Check fuse
7. DTC 81309 Potentiometer Fault
This code can set for a variety of reasons:
a. If a potentiometer cannot reach the programmed “high limit” or “low
limit”
Reprogram system according to PSI
Pay special attention to
the high limits and the low limits for each motor/potentiometer.
b. If a microswitch signal does not agree with a potentiometer signal.
Monitor the switches and potentiometers with Tech 2.
c. The position of the potentiometer has reached a value outside of the
programmed limit. When this fault occurs, the top operation may stop,
but may continue when the switch is released and engaged again.
Use read values to check potentiometer values at the high and low limits of
each potentiometer. Check against programmed values. This could be
caused by a bad potentiometer or a component that is dimensionally incor-
