P1899 JEEP - Park/Neutral Switch Circuit Conditions

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Park/Neutral Switch
  • Park/Neutral Switch harness is open or shorted
  • Park/Neutral Switch circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1899 Jeep Description

Engine cranking and Park/Neutral (P/N) indicated, or in drive with Vehicle Speed Sensor (VSS) over 50 mph, engine speed at 1985-4400 rpm, Throttle Position (TP) sensor indicating open throttle and the Powertrain Control Module (PCM) detects a Manifold Absolute Pressure (MAP) input that was over 66% of the BARO input with a high P/N input.
OBDII Code P1899 Jeep - Park/Neutral Switch Circuit Conditions - AutoCodes.com

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