AutoCodes – Chrysler – P0274 Chrysler

P0274 Chrysler Code - Cylinder 5 Injector Circuit High

Quick Answer

Code P0274 is triggered when the Power Engine Control Module (ECM) detects a high voltage in the Fuel Injector 5 Circuit. Common causes include Dirty Fuel Injector 5, Faulty Fuel Injector 5, Plugged Fuel Injector 5. 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: P0274 Chrysler indicates Cylinder 5 Injector Circuit High.
Common causes: Common causes include Dirty Fuel Injector 5, Faulty Fuel Injector 5, Plugged Fuel Injector 5.
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 919

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 Jun 02, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0274 Chrysler Description

Code P0274 is triggered when the Power Engine Control Module (ECM) detects a high voltage in the Fuel Injector 5 Circuit. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

OBDII Code P0274 Chrysler - Cylinder 5 Injector Circuit High - AutoCodes.com — P0274 Chrysler Code - Cylinder 5 Injector Circuit High

What does this mean?

What are the Possible Causes of the DTC P0274 Chrysler?

Dirty Fuel Injector 5
Faulty Fuel Injector 5
Plugged Fuel Injector 5
Fuel injector 5 harness is open or shorted
Fuel injector 5 circuit poor electrical connection

How to Fix the DTC P0274 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 does this mean?

Code Tech Notes

Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0274 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 P0274 Chrysler Code

1. What does the OBDII code P0274 mean on a Chrysler vehicle?

P0274 indicates a "Cylinder 5 Injector Circuit High," meaning the PCM detected a higher-than-expected voltage in the fuel injector circuit for cylinder 5.

2. What are common symptoms of the P0274 code in a Chrysler?

Symptoms include rough idling, engine misfires, reduced fuel efficiency, poor acceleration, and the check engine light illuminating.

3. What causes the P0274 code to appear in Chrysler vehicles?

Common causes include a faulty injector, damaged wiring or connectors in the injector circuit, a short to power, or a malfunctioning PCM.

4. Can I drive my Chrysler with a P0274 code?

Driving with a P0274 code is not recommended, as it can cause engine misfiring, damage to the catalytic converter, and reduced performance.

5. How do you diagnose a P0274 code on a Chrysler?

Diagnosis typically involves inspecting the wiring and connectors for cylinder 5, testing the injector with a multimeter, and checking for short circuits or PCM issues.

6. How do I fix the P0274 code on my Chrysler vehicle?

Repairs may include replacing the cylinder 5 fuel injector, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.

7. How much does it cost to repair a P0274 code on a Chrysler?

Costs vary but generally range from $150 to $400 for injector replacement and wiring repairs, with PCM replacement adding significant cost if needed.

8. Can a dirty fuel injector cause a P0274 code?

While a dirty injector might cause performance issues, the P0274 code specifically points to an electrical problem, such as high resistance or an open circuit.

9. What tools are required to troubleshoot a P0274 code?

Diagnostic tools include an OBDII scanner, a multimeter for checking voltage and resistance, and possibly a noid light for testing injector pulses.

10. Will clearing the code with an OBDII scanner fix the P0274 issue?

Clearing the code will reset the check engine light, but it wonâ€™t fix the underlying problem. The issue must be properly diagnosed and repaired to prevent the code from returning.