Engine-Codes - Cadillac - P1125 CADILLAC

P1125 CADILLAC Code - Accelerator Pedal Position Sensor Fault

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

|P1125 CADILLAC code possible causes

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

|How is the P1125 CADILLAC code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the P1125 CADILLAC code

Labor: 1.0

The cost to diagnose the P1125 CADILLAC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P1125 CADILLAC code detected?

The Powertrain Control Module (PCM) detects that the difference between Accelerator Pedal Position (APP) sensor 1 and APP sensor 2 is more than the predicted value.

|What are P1125 CADILLAC code possible symptoms?

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

|What is P1125 CADILLAC code meaning?

The accelerator pedal position (APP) sensor 1 and the APP sensor 2 are potentiometer type sensors, each with the following circuits:
• A 5-volt reference circuit
• A low reference circuit
• A signal circuit
The control module provides the APP sensors with a 5-volt reference circuit and a low reference circuit. The APP sensors then provide the control module signal voltages proportional to pedal movement. The APP sensor 1 signal voltage is low at rest and increases as the pedal is depressed.
The APP sensor 2 signal voltage is low at rest and increases as the pedal is depressed. When the control module detects that the APP sensor 1 and the APP sensor 2 signal circuits are out of correlation with each other, DTC P1125 sets.

|Need more information with the P1125 CADILLAC code?

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|Need help with a P1125 CADILLAC code?

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