P257B - Vacuum Reservoir Control Circuit Low
P257B 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 P257B?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 P257B code
Labor: 1.0The cost of diagnosing the P257B 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)
P257b 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.
P257B More InformationNeed more information on how to fix the P257B code?
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Need more help?Get the P257b code diagnosed by a professional: Find a repair shop in your area
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