P257C - Vacuum Reservoir Control Circuit High

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

P257C Possible Causes

  • Faulty Vacuum Reservoir Control
  • Vacuum Reservoir Control harness is open or shorted
  • Vacuum Reservoir Control circuit poor electrical connection

How do I fix code P257C?

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 P257C code

Labor: 1.0

The cost of diagnosing the P257C 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

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

P257c Description

The Engine Control Module (ECM) monitors the Vacuum Reservoir Control Circuit signal. The ECM sets the OBDII code when the Vacuum Reservoir Control Circuit signal is out of factory specifications.
OBDII Code P257c - Vacuum Reservoir Control Circuit High - AutoCodes.com

P257C More Information

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