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P1272 BUICK

P1272 BUICK - Accelerator Pedal Position Sensor 2-3 Correlation

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

  • Faulty Accelerator Pedal Position (APP)
  • Accelerator Pedal Position harness is open or shorted
  • Accelerator Pedal Position circuit poor electrical connection

When is the code detected?

The Engine Control Module (ECM) compared the signal from both Accelerator Pedal Position (APP) sensors and detected a voltage difference.

Possible symptoms

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

P1272 Buick Description

The Accelerator Pedal Position (APP) sensors are located within the Throttle Actuator Control (TAC) module assembly. The TAC module assembly is mounted to the accelerator pedal bracket. There are 3 individual APP sensors within the TAC module. Three separate signal circuits, low reference circuits, and 5-volt reference circuits are used in order to determine the accelerator pedal position. The APP sensor signal voltages increase when the accelerator pedal is depressed.
OBDII Code P1272 Buick - Accelerator Pedal Position Sensor 2-3 Correlation - AutoCodes.com

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P1272 BUICK Comments

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