AutoCodes – GMC – P1296 GMC

P1296 GMC Code - Injector Circuit High To Low Current Transition Time Bank 2

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: P1296 GMC indicates Injector Circuit High To Low Current Transition Time Bank 2.
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 936

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 P1296 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 P1296 GMC - Injector Circuit High To Low Current Transition Time Bank 2 - AutoCodes.com — P1296 GMC Code - Injector Circuit High To Low Current Transition Time Bank 2

What does this mean?

What are the Possible Causes of the DTC P1296 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 P1296 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 P1296 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 Help with the Code?

Get the P1296 GMC 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 P1296 GMC Code

1. What are the common symptoms of OBDII code P1296 in a GMC vehicle?

- Common symptoms include rough idling, engine misfires, decreased fuel efficiency, and the Check Engine light illuminating.

2. What does the OBDII code P1296 mean for a GMC vehicle?

- OBDII code P1296 indicates an issue with the injector circuit high to low current transition time on Bank 2 of the engine.

3. What are the possible causes of OBDII code P1296 in a GMC vehicle?

- Potential causes include faulty fuel injectors, wiring harness issues, poor electrical connections, or a malfunctioning Engine Control Module (ECM).

4. How can I diagnose the cause of OBDII code P1296 in my GMC vehicle?

- Diagnosing the issue may involve inspecting the fuel injectors and their connections, checking for wiring harness damage, and performing a thorough ECM scan for fault codes.

5. Is it safe to continue driving my GMC vehicle with OBDII code P1296 present?

- It is not recommended to continue driving with this code active, as it can lead to engine performance issues and potential damage if left unresolved.

6. Can I reset the OBDII code P1296 in my GMC vehicle myself?

- While you can reset the code using an OBDII scanner, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code P1296 in a GMC vehicle?

- The cost of repairs can vary depending on the specific cause of the issue, but it may involve replacing faulty fuel injectors, repairing wiring, or reprogramming the ECM. Costs can range from a few hundred to over a thousand dollars.

8. Are there any DIY repair tips for addressing OBDII code P1296 in a GMC vehicle?

- DIY enthusiasts can start by checking the injector connections for tightness, inspecting the wiring harness for damage, and ensuring proper ECM grounds before seeking professional help if needed.

9. Can a faulty oxygen sensor trigger OBDII code P1296 in a GMC vehicle?

- While a faulty oxygen sensor is not a common cause of P1296, it is still recommended to inspect all related components thoroughly during diagnosis to rule out any potential contributing factors.

10. How long does it typically take to repair OBDII code P1296 in a GMC vehicle?

- The repair time can vary based on the specific cause and complexity of the issue. Simple fixes like reconnecting loose wires may take less than an hour, while more involved repairs could require several hours or a day at the mechanic.