Code Definition

P1899 — Park/Neutral switch stuck in Park or gear

System: Powertrain  |  Type: Manufacturer-Specific  |  Make: Chrysler

About P1899

P1899 is a manufacturer-specific powertrain diagnostic trouble code recorded for Chrysler vehicles. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

P1899 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

This fault code is set when the Powertrain Control Module (PCM) detects an implausible or fixed input from the Park and Neutral Position (PNP) switch. The PNP switch reports the transmission selector position to the PCM to enable functions such as starter operation, idle control, and shift strategy. The fault is triggered if the signal stays fixed in Park or a drive gear despite the selector being moved, or if it conflicts with the transmission range sensor or other inputs. Symptoms can include no start in Park or Neutral, starting in gear, incorrect idle, harsh or wrong shifts, and a check en...

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