Vanden Plas L6-4.0L (1990)
Downshift Switch: Technical Service Bulletins
A/T - MIL ON, Goes Into Limp Mode
44-15
Transmission - Kickdown Switch Operation
MODEL: 90-91 MY Sedan
DATE: 1/92
ISSUE:
Electronic transmission goes into "Limp Home" mode (illuminating the transmission warning light) after operation of the kickdown switch. This will
occur after the kickdown switch is depressed and the throttle is allowed to travel past the specified "Wide Open Throttle" stop.
ACTION:
If this problem occurs, the following throttle linkage adjustments must be performed:
1.
Install tool JD 131 on the throttle stop plate. Align the pointer to the "I" on the bellcrank, (Fig. 1). Then slide the pointer back to clear the return
spring.
2.
Loosen the full throttle stop lock nut, (Fig. 2).