AutoCodes – GMC – P0200 GMC

P0200 GMC Code - Injector Circuit Malfunction

Quick Answer

The Powertrain Control Module (PCM) enables the appropriate fuel injector on the intake stroke for each cylinder. Common causes include Faulty fuel injector, Fuel Injector harness is open or shorted, Fuel injector 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: P0200 GMC indicates Injector Circuit Malfunction.
Common causes: Common causes include Faulty fuel injector, Fuel Injector harness is open or shorted, Fuel injector 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 21,025

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on May 25, 2019

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
Comments
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Code P0200 GMC Description

The Powertrain Control Module (PCM) enables the appropriate fuel injector on the intake stroke for each cylinder. An ignition voltage is supplied to the fuel injectors. The PCM controls each fuel injector by grounding the control circuit via a solid state device called a driver. The PCM monitors the status of each driver.

OBDII Code P0200 GMC - Injector Circuit Malfunction - AutoCodes.com — P0200 GMC Code - Injector Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0200 GMC?

Faulty fuel injector
Fuel Injector harness is open or shorted
Fuel injector circuit poor electrical connection

How to Fix the DTC P0200 GMC?

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

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0200 GMC 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.