AutoCodes – Generic – P2694

P2694 Code - Cylinder 9 Injector Data Incompatible

Quick Answer

Each injector has a code stored in Electrically Erasable Programmable Read-Only Memory (EEPROM) that provides information to the Electronic Control Unit (ECU) about deviations of that injector from a theoretical average injector. Common causes include Program Injector. 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: P2694 indicates Cylinder 9 Injector Data Incompatible.
Common causes: Common causes include Program Injector.
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 3,301

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 Jan 26, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P2694 Description

Each injector has a code stored in Electrically Erasable Programmable Read-Only Memory (EEPROM) that provides information to the Electronic Control Unit (ECU) about deviations of that injector from a theoretical average injector. The Powertrain Control Module (PCM) sets the OBDII code if the injector code is missing or invalid.

OBDII Code P2694 - Cylinder 9 Injector Data Incompatible - AutoCodes.com — P2694 Code - Cylinder 9 Injector Data Incompatible

What does this mean?

What are the Possible Causes of the DTC P2694?

Program Injector

How to Fix the DTC P2694?

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

Programming Injector must perform with an OBDII scanner capable of programming injectors.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2694 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.

Need more information about the P2694 code?

Need more information on how to fix the P2694 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2694 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P2694 Chevrolet — Cylinder 9 Injector Data Incompatible
P2694 Dodge — Cylinder 9 Injector Data Incompatible
P2694 Ford — Cylinder 9 Injector Data Incompatible
P2694 GMC — Cylinder 9 Injector Data Incompatible

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 P2694 Code

1. What are the common symptoms of OBDII code P2694 Cylinder 9 Injector Data Incompatible?

- The common symptoms include engine misfires, rough idling, decreased fuel efficiency, and potentially a noticeable lack of power.

2. What causes the OBDII code P2694 to trigger?

- This code is typically triggered when there is a discrepancy between the data from the fuel injector for cylinder 9 and the expected values stored in the vehicle's computer system.

3. How serious is the Cylinder 9 Injector Data Incompatible code P2694?

- While the code itself may not cause immediate harm to the vehicle, it can lead to poor engine performance, reduced fuel efficiency, and potential long-term damage if left unresolved.

4. Can a dirty fuel injector cause OBDII code P2694?

- Yes, a dirty or clogged fuel injector for cylinder 9 can cause data incompatibility and trigger the P2694 trouble code.

5. What are some repair tips for addressing OBDII code P2694?

- Repair tips may include cleaning or replacing the fuel injector for cylinder 9, checking the wiring and connections related to the injector, and ensuring proper fuel system operation.

6. Is it safe to continue driving with OBDII code P2694 present?

- While the vehicle may still be operable with this code, it is advisable to address the underlying issue promptly to prevent further engine damage or performance issues.

7. Can a faulty engine control module (ECM) cause code P2694?

- Yes, a malfunctioning ECM can potentially lead to data incompatibility issues with the fuel injector for cylinder 9, triggering code P2694.

8. How can I diagnose the specific cause of OBDII code P2694?

- Diagnosing the cause may involve using a scan tool to monitor injector data, conducting a visual inspection of the injector and related components, and testing the injector's electrical circuit.

9. Are there any recalls related to OBDII code P2694 Cylinder 9 Injector Data Incompatible?

- Recalls specific to this code may vary by vehicle make and model, so it's recommended to check with the manufacturer or a dealership for any relevant recall information.

10. Can a professional mechanic help with diagnosing and repairing OBDII code P2694?

- Yes, a qualified mechanic with experience in diagnosing and repairing engine issues can help identify the specific cause of the code and perform necessary repairs to resolve the Cylinder 9 Injector Data Incompatible problem.