DTC P1899: P/N Switch Stuck In Park Or In Gear: Notes
NOTE:
For circuit identification, see WIRING DIAGRAMS article. If replacing Powertrain Control Module (PCM), PCM must be reprogrammed. See PROGRAMMING
. After each repair procedure has been completed, reconnect all components. Perform TRANSMISSION VERIFICATION TEST
under VERIFICATION TESTS to ensure system is functioning properly.
NOTE:
Park/Neutral switch may also be referred to as Transmission Range Sensor (TRS).