Operation CHARM
: Car repair manuals for everyone.
Home
>>
Cadillac
>>
1999
>>
Catera V6-3.0L VIN R
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Scan Tool Testing and Procedures
>>
Scan Tool Data Definitions - Powertrain Systems
>>
Park/Neutral Switch
Park/Neutral Switch
(P-N/R-D-L)
The P/N switch position is sent to the
ECM
from the
TCM
. This parameter indicates the position of the gear selector based on the signal received by the ECM.