P257A - Vacuum Reservoir Control Circuit/Open
P257A 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 P257A?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 P257A code
Labor: 1.0The cost of diagnosing the P257A 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.
- Engine Light ON (or Service Engine Soon Warning Light)
P257a DescriptionThe 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.
P257A More InformationNeed more information on how to fix the P257A code?
Get Access to Factory Service Manuals
Need more help?Get the P257a code diagnosed by a professional: Find a repair shop in your area
CommentsHelp 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 P257a code? Have you replaced any parts?
Any information is appreciated. Thanks