SEE MORE:
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D
Up and Down Shift Enable Switch Circuit Low Voltage
Circuit/System Description
When the shift lever is placed in manual mode (M), the driver shift request ,
also known as the tap shift
function, is activated. The driver shift request allows the vehicle operator to
shift gears by pushing the plus (