AutoCodes – Cadillac – P1009 Cadillac

P1009 Cadillac Code - Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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
P1009 Cadillac indicates Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect.
Common causes
Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 670
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 18, 2022
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Code P1009 Cadillac Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Fuel Pump Driver Control Module Temperature High Signal Message Counter is Incorrect.
OBDII Code P1009 Cadillac - Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect - AutoCodes.com
P1009 Cadillac Code - Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect

What are the Possible Causes of the DTC P1009 Cadillac?

  • Faulty Fuel Pump Driver Control Module
  • Fuel Pump Driver Control Module harness is open or shorted
  • Fuel Pump Driver Control Module circuit poor electrical connection

How to Fix the DTC P1009 Cadillac?

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 P1009 Cadillac 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 P1009 Cadillac code?

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Need Help with the Code?

Get the P1009 Cadillac 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 P1009 Cadillac Code

1. What are the common symptoms of OBDII code P1009 in a Cadillac related to the Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect?

- Common symptoms may include engine stalling, rough idling, decreased fuel efficiency, and difficulty starting the vehicle.

2. What are the possible causes of OBDII code P1009 in a Cadillac?

- Possible causes of this code may include a faulty fuel pump driver control module, issues with the fuel pump, wiring or connector problems, or a malfunctioning Engine Control Module (ECM).

3. How can I diagnose the issue causing OBDII code P1009 in my Cadillac?

- Diagnosis typically involves using a scan tool to retrieve the code, checking the fuel pump driver control module and related components for any visible damage, and conducting electrical tests to pinpoint the exact cause.

4. Can I still drive my Cadillac with OBDII code P1009 present?

- It is not recommended to drive your Cadillac with this code present, as it can lead to potential fuel system issues and engine performance problems. It's best to address the underlying cause promptly.

5. How can I repair OBDII code P1009 in a Cadillac?

- Repairing this code often involves replacing the faulty fuel pump driver control module, addressing any wiring or connector issues, and clearing the code with a scan tool after the repairs are completed.

6. Are there any preventative maintenance tips to avoid OBDII code P1009 in a Cadillac?

- Regularly inspecting the fuel pump driver control module, ensuring proper electrical connections, and following the manufacturer's recommended maintenance schedule can help prevent this code from occurring.

7. Can a DIY enthusiast fix OBDII code P1009 in a Cadillac?

- While some experienced DIY enthusiasts may be able to diagnose and replace the fuel pump driver control module themselves, it's recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.

8. How much does it typically cost to repair OBDII code P1009 in a Cadillac?

- The cost of repairing this code can vary depending on the extent of the issue, parts needed, and labor rates. It's advisable to obtain quotes from different repair shops to get an accurate estimate.

9. Will resetting the OBDII code P1009 in my Cadillac make it go away permanently?

- Resetting the code without addressing the underlying issue will not make it go away permanently. The root cause of the problem must be identified and fixed to prevent the code from reoccurring.

10. Is OBDII code P1009 specific to Cadillac vehicles, or can it occur in other car makes and models?

- While this particular code description may be specific to Cadillac vehicles, similar issues related to fuel pump driver control module temperature can occur in other car makes and models, triggering different OBDII codes.

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