C1855 - Acceleration Position Sensor Conflict

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

C1855 Possible Causes

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

How do I fix code C1855

Check 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.

Cost of diagnosing the C1855 code

Labor: 1.0

The cost of diagnosing the C1855 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1855 Description

The Anti-Lock Brake System (ABS) Module monitors the Acceleration Position Sensor. The ABS Module sets the OBDII code when the Acceleration Position Sensor is not to factory specifications.
OBDII Code C1855 - Acceleration Position Sensor Conflict - AutoCodes.com

C1855 More Information

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