P1899
Tests 1076 - 1080:
Tests 1081 - 1083:
SYMPTOM
P-1899 P/N SWITCH STUCK IN PARK OR IN GEAR
WHEN MONITORED
With the transmission in park, neutral, or drive and not in limp-in mode.
SET CONDITION
This code is set if the PCM detects an incorrect park/neutral switch state for a given mode of vehicle operation.
POSSIBLE CAUSES
- PNP switch wiring harness observable defect
- P/N switch sense circuit open
- Park neutral position switch defective
- PN switch sense circuit short to ground
- PNP switch stuck
- Powertrain control module defective