AutoCodes – Isuzu – P1250 Isuzu

P1250 Isuzu Code - Fuel Pump Relay Control Circuit Shorted To Ground

Quick Answer

P1250 Isuzu indicates Fuel Pump Relay Control Circuit Shorted To Ground. Common causes include Faulty Fuel Pump Relay, Fuel Pump Relay harness is open or shorted, Fuel Pump Relay 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: P1250 Isuzu indicates Fuel Pump Relay Control Circuit Shorted To Ground.
Common causes: Common causes include Faulty Fuel Pump Relay, Fuel Pump Relay harness is open or shorted, Fuel Pump Relay 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 3,907

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
FAQs
Comments
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Code P1250 Isuzu Description

OBDII Code P1250 Isuzu - Fuel Pump Relay Control Circuit Shorted To Ground - AutoCodes.com — P1250 Isuzu Code - Fuel Pump Relay Control Circuit Shorted To Ground

What does this mean?

What are the Possible Causes of the DTC P1250 Isuzu?

Faulty Fuel Pump Relay
Fuel Pump Relay harness is open or shorted
Fuel Pump Relay circuit poor electrical connection

How to Fix the DTC P1250 Isuzu?

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 P1250 Isuzu 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 P1250 Isuzu code?

Need more information on how to fix the P1250 Isuzu code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1250 Isuzu code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about P1250 Isuzu Code

1. What are the common symptoms of OBDII code P1250 in an Isuzu related to the fuel pump relay control circuit being shorted to ground?

The common symptoms include the fuel pump not running, engine stalling or difficulty starting, and a check engine light illuminated on the dashboard.

2. What can cause the fuel pump relay control circuit to be shorted to ground in an Isuzu, triggering OBDII code P1250?

Potential causes include a faulty fuel pump relay, damaged wiring or connectors in the fuel pump circuit, or a short circuit in the fuel pump relay control circuit.

3. How can I diagnose the issue causing OBDII code P1250 in my Isuzu?

You can diagnose the issue by checking the fuel pump relay, inspecting the wiring and connectors for damage, testing for continuity in the circuit, and using a scan tool to monitor the fuel pump relay control status.

4. Is it safe to continue driving my Isuzu with OBDII code P1250 present?

It is not recommended to drive your Isuzu with OBDII code P1250, as it can lead to fuel delivery problems and potential engine stalling, which may compromise safety and further damage the vehicle.

5. What are the repair options for addressing OBDII code P1250 in an Isuzu?

The repair options include replacing the faulty fuel pump relay, repairing any damaged wiring or connectors, clearing the trouble code, and testing the system to ensure proper functionality.

6. Can a DIY enthusiast fix OBDII code P1250 related to the fuel pump relay control circuit shorted to ground in an Isuzu?

While some aspects of diagnosing and repairing the issue can be done by a DIY enthusiast, it is recommended to seek professional help for a more accurate diagnosis and proper repair to avoid further complications.

7. How much does it typically cost to repair OBDII code P1250 in an Isuzu at a professional auto repair shop?

The cost of repairing OBDII code P1250 can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor at a professional auto repair shop.

8. Will resetting the OBDII code P1250 in my Isuzu solve the issue temporarily?

Resetting the trouble code may temporarily turn off the check engine light, but it will not fix the underlying problem causing OBDII code P1250, so it is important to address the root cause of the issue.

9. How urgent is it to address OBDII code P1250 in an Isuzu?

It is important to address OBDII code P1250 promptly to prevent potential fuel delivery issues, engine stalling, and further damage to the fuel pump relay control circuit in your Isuzu.

10. Can OBDII code P1250 in an Isuzu be related to other components besides the fuel pump relay control circuit?

While OBDII code P1250 is specifically related to the fuel pump relay control circuit being shorted to ground, it is possible for other related components such as the fuel pump itself or the engine control module to contribute to the issue.