AutoCodes – Jeep – P1251 Jeep

P1251 Jeep Code - Vacuum Reservoir Solenoid Short To Ground

Quick Answer

The Engine Control Module (ECM) detected a short to ground on the Vacuum Reservoir Solenoid control circuit Common causes include Faulty Vacuum Reservoir Solenoid, Vacuum Reservoir Solenoid harness is open or shorted, Vacuum Reservoir Solenoid circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1251 Jeep indicates Vacuum Reservoir Solenoid Short To Ground.
Common causes: Common causes include Faulty Vacuum Reservoir Solenoid, Vacuum Reservoir Solenoid harness is open or shorted, Vacuum Reservoir Solenoid circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 4,895

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1251 Jeep Description

The Engine Control Module (ECM) detected a short to ground on the Vacuum Reservoir Solenoid control circuit

OBDII Code P1251 Jeep - Vacuum Reservoir Solenoid Short To Ground - AutoCodes.com — P1251 Jeep Code - Vacuum Reservoir Solenoid Short To Ground

What does this mean?

What are the Possible Causes of the DTC P1251 Jeep?

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

How to Fix the DTC P1251 Jeep?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1251 Jeep code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1251 Jeep code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.