Question about 2000 Buick LeSabre
This unit has been noisey from day one and now appears
stuck in the high position. Motor runs for unusually long periods.
Motor runs but appears stuck. Can I just disable it or must I replace?
Please advise any special precautions or techniques. It does
shut off after a while but appears stuck. Mike
There is a vehicle level sensor that usually starts the coompressor. that could be ur problem. my brother's cadillac broke that sensor after a we drove it in a dirt road.
Posted on Feb 02, 2009
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Posted on Jan 02, 2017
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The automatic transmission shift lock control switch
Can you or can you not take it out of park ?
Shift Lever Does Not Move with Brake Pedal Depressed
yes or no ?
The instrument panel cluster (IPC) displays the selected gear position as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the gear position. The PRND321 display blanks if:
The ECM detects a malfunction in the transmission range switch circuit.
The IPC detects a loss of serial data communications with the ECM.
You have a transmission range sensor or PCM problem , Need a professional grade scan tool to diagnose the problem , well that would be the easiest way to test .You should have all modules test for DTC'S - diagnostic trouble codes ! That would point you in the right direction ! I would suggest you google class 2 serial data communication network !
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