AutoCodes – Chrysler – P127D Chrysler

P127D Chrysler Code - Fuel Pump Control Circuit 2 High

Quick Answer

The Powertrain Control Module (PCM) monitors the Fuel Pump Control. Common causes include Faulty Fuel Pump Control, Fuel Pump Control harness is open or shorted, Fuel Pump Control 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: P127D Chrysler indicates Fuel Pump Control Circuit 2 High.
Common causes: Common causes include Faulty Fuel Pump Control, Fuel Pump Control harness is open or shorted, Fuel Pump Control 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 1,097

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 Sep 06, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P127D Chrysler Description

The Powertrain Control Module (PCM) monitors the Fuel Pump Control. The PCM sets the OBDII code when the Fuel Pump Control is not to factory specifications.

OBDII Code P127D Chrysler - Fuel Pump Control Circuit 2 High - AutoCodes.com — P127D Chrysler Code - Fuel Pump Control Circuit 2 High

What does this mean?

What are the Possible Causes of the DTC P127D Chrysler?

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

How to Fix the DTC P127D Chrysler?

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 P127D Chrysler 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.

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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.

Frequently Asked Questions about P127D Chrysler Code

1. What are the common symptoms of OBDII code P127D in a Chrysler related to the Fuel Pump Control Circuit 2 High?

Symptoms may include rough idling, engine stalling, poor fuel efficiency, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P127D in a Chrysler?

Possible causes include a faulty fuel pump, issues with the fuel pump control module, wiring or connector problems, or a malfunctioning powertrain control module (PCM).

3. How can I diagnose the cause of OBDII code P127D in my Chrysler?

Diagnosis typically involves checking the fuel pump operation, inspecting the wiring and connectors for damage or corrosion, and using a diagnostic scanner to read live data and monitor the fuel pump control circuit.

4. Can a DIY enthusiast repair OBDII code P127D in a Chrysler?

While some repairs may be possible for experienced DIYers, diagnosing and repairing issues related to the fuel pump control circuit can be complex and may require specialized tools and expertise. It's recommended to consult a qualified mechanic for proper diagnosis and repair.

5. Is it safe to continue driving with OBDII code P127D in my Chrysler?

Continuing to drive with this code present can lead to potential engine performance issues and further damage to the fuel system components. It's best to address the issue promptly to avoid potential safety hazards or more costly repairs down the line.

6. How much can I expect to pay to repair OBDII code P127D in a Chrysler?

The cost of repairs can vary depending on the underlying cause of the code and the labor rates in your area. Repair costs may range from a few hundred dollars for simpler fixes to over a thousand dollars for more complex issues.

7. What are some preventive maintenance tips to avoid OBDII code P127D in a Chrysler?

Regularly maintaining your vehicle, including fuel system inspections, using high-quality fuel, and addressing any issues promptly can help prevent the occurrence of OBDII code P127D related to the fuel pump control circuit.

8. Can a bad fuel pump cause OBDII code P127D in a Chrysler?

Yes, a faulty fuel pump can cause the fuel pump control circuit to operate abnormally, triggering OBDII code P127D in a Chrysler.

9. Will resetting the check engine light resolve OBDII code P127D in a Chrysler?

Simply resetting the check engine light without addressing the underlying issue will not fix OBDII code P127D. It's essential to diagnose and repair the root cause of the problem to prevent the code from reoccurring.

10. How long does it typically take to repair OBDII code P127D in a Chrysler?

The repair time can vary depending on the specific cause of the code and the availability of parts. Simple repairs may take a few hours, while more complex issues could require a day or more to diagnose and fix.