P1276 GMC - Accelerator Pedal Position Sensor 1 Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
Comments  |  Add Comment

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) detected a voltage below 0.2 volts or above 4.25 volts on the APP signal

Possible symptoms

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

P1276 Gmc 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 P1276 Gmc - Accelerator Pedal Position Sensor 1 Performance - AutoCodes.com

Need more help?

Get the P1276 Gmc code diagnosed by a professional: Find a repair shop in your area

Related Information

P1276 GMC Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1276 Gmc code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧