OBDII Code List

P1891 BUICK - Throttle Position Sensor PWM Signal Low

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty Throttle Position Sensor
  • Throttle Position Sensor harness is open or shorted
  • Throttle Position Sensor circuit poor electrical connection

Possible symptoms

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

P1891 Buick Description

Throttle Position Sensor PWM Signal Low is the generic description for the P1891 Buick code, but the manufacturer may have a different description. Currently we have no further information abouth the P1891 Buick OBDII code. Please post your question on our "Questions" section for more information: Questions.
OBDII Code P1891 Buick - Throttle Position Sensor PWM Signal Low -

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P1891 BUICK Comments

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