AutoCodes – GMC – P1293 GMC

P1293 GMC Code - Injector Circuit Low To High Current Transition Time Bank 1

Quick Answer

This diagnostic applies to internal microprocessor integrity conditions within the Fuel Injection Control Module (FICM). Common causes include Check fuel injectors connectors, Faulty Fuel Injection Control Module (FICM), Fuel Injection Control Module harness is open or shorted. 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: P1293 GMC indicates Injector Circuit Low To High Current Transition Time Bank 1.
Common causes: Common causes include Check fuel injectors connectors, Faulty Fuel Injection Control Module (FICM), Fuel Injection Control Module harness is open or shorted.
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 1,208

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 Aug 24, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1293 GMC Description

This diagnostic applies to internal microprocessor integrity conditions within the Fuel Injection Control Module (FICM). The Diagnostic Trouble Code (DTC) will be set when there is an internal failure in the FICM for less than 1 second.

OBDII Code P1293 GMC - Injector Circuit Low To High Current Transition Time Bank 1 - AutoCodes.com — P1293 GMC Code - Injector Circuit Low To High Current Transition Time Bank 1

What does this mean?

What are the Possible Causes of the DTC P1293 GMC?

Check fuel injectors connectors
Faulty Fuel Injection Control Module (FICM)
Fuel Injection Control Module harness is open or shorted
Fuel Injection Control Module circuit poor electrical connection

How to Fix the DTC P1293 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1293 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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Need more information on how to fix the P1293 GMC code? Get Access to Factory Service Manuals

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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 P1293 GMC Code

1. What are the common symptoms of OBDII code P1293 GMC?

Common symptoms of code P1293 include engine misfires, rough idling, decreased fuel efficiency, and potential stalling.

2. What causes the OBDII code P1293 GMC to trigger?

The code P1293 is triggered when there is a low to high current transition time issue in the injector circuit of Bank 1, indicating a problem with the fuel injector's electrical circuit.

3. How can I diagnose the cause of OBDII code P1293 GMC?

Diagnosing code P1293 involves checking the wiring harness for any damage or loose connections, testing the fuel injector for proper operation, and inspecting the ECM for potential issues.

4. Can a faulty fuel injector cause OBDII code P1293 GMC?

Yes, a faulty fuel injector or a problem with the injector's electrical circuit can cause the code P1293 to trigger, indicating an issue with the transition time from low to high current.

5. What are some repair tips for addressing OBDII code P1293 GMC?

Repair tips for code P1293 may include repairing or replacing damaged wiring, testing and cleaning the fuel injector, and resetting the ECM after addressing the underlying issue.

6. Is it safe to continue driving with OBDII code P1293 GMC present?

It is not recommended to continue driving with code P1293 present, as it can lead to poor engine performance, potential damage to other components, and reduced fuel efficiency.

7. How can I reset OBDII code P1293 GMC after making repairs?

After making the necessary repairs to address the cause of code P1293, you can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the ECM's memory.

8. Can a DIY enthusiast address OBDII code P1293 GMC on their own?

Depending on their skill level and access to tools, a DIY enthusiast may be able to address code P1293 by following diagnostic procedures, checking wiring connections, and testing the fuel injector's operation.

9. Are there any recalls related to OBDII code P1293 GMC for certain GMC models?

Recalls related to code P1293 vary by model and year, so it is recommended to check with GMC or the National Highway Traffic Safety Administration (NHTSA) for any relevant recall information.

10. How can I prevent OBDII code P1293 GMC from recurring in the future?

To prevent code P1293 from recurring, it is important to perform regular maintenance on the fuel injection system, address any wiring issues promptly, and avoid harsh driving conditions that can contribute to injector problems.