P1591 2015 GMC Sierra Code - Body Control Module Engine Speed Request 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 Body Control Module, Body Control Module harness is open or shorted, Body 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
- P1591 2015 GMC Sierra indicates Body Control Module Engine Speed Request Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Body Control Module, Body Control Module harness is open or shorted, Body 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.
Code P1591 2015 GMC Sierra Description
What are the Possible Causes of the DTC P1591 2015 GMC Sierra?
- Faulty Body Control Module
- Body Control Module harness is open or shorted
- Body Control Module circuit poor electrical connection
How to Fix the DTC P1591 2015 GMC Sierra?
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 P1591 2015 GMC Sierra 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 P1591 2015 GMC Sierra code?
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Frequently Asked Questions about P1591 2015 GMC Sierra Code
What are the common symptoms of OBDII code P1591 in a 2015 GMC Sierra?
Common symptoms of OBDII code P1591 in a 2015 GMC Sierra may include engine stalling, rough idling, poor acceleration, and the inability to start the vehicle.
What can cause the OBDII code P1591 to trigger in a 2015 GMC Sierra?
The OBDII code P1591 in a 2015 GMC Sierra is typically triggered when the Body Control Module detects an incorrect engine speed request signal message counter. This can be caused by issues with the Body Control Module itself, wiring problems, or a faulty engine speed sensor.
How can I diagnose the OBDII code P1591 in my 2015 GMC Sierra?
Diagnosing the OBDII code P1591 in a 2015 GMC Sierra involves using a diagnostic scanner to retrieve the code and then performing a thorough inspection of the Body Control Module, wiring, and engine speed sensor to identify the root cause of the issue.
What are some repair tips for fixing the OBDII code P1591 in a 2015 GMC Sierra?
Repairing the OBDII code P1591 in a 2015 GMC Sierra may involve resetting the code, checking and repairing any damaged wiring, replacing a faulty engine speed sensor, or reprogramming the Body Control Module if necessary.
Is it safe to continue driving my 2015 GMC Sierra with the OBDII code P1591 present?
It is not recommended to continue driving your 2015 GMC Sierra with the OBDII code P1591 present, as it can lead to potential engine performance issues and further damage if left unresolved. It's best to address the issue promptly to avoid any additional problems.
Can I reset the OBDII code P1591 in my 2015 GMC Sierra by disconnecting the battery?
While disconnecting the battery may reset the OBDII code temporarily, it may not fix the underlying issue causing the code to trigger. It's important to diagnose and address the root cause of the problem to prevent the code from reappearing.
How much does it typically cost to repair the OBDII code P1591 in a 2015 GMC Sierra?
The cost of repairing the OBDII code P1591 in a 2015 GMC Sierra can vary depending on the specific cause of the issue. Costs may range from a simple sensor replacement to more extensive repairs involving the Body Control Module.
Can a DIY enthusiast fix the OBDII code P1591 in a 2015 GMC Sierra?
While some DIY enthusiasts may be able to address simple causes of the OBDII code P1591, such as checking and repairing wiring connections, more complex issues involving the Body Control Module or engine speed sensor may require professional assistance.
How long does it take to repair the OBDII code P1591 in a 2015 GMC Sierra?
The time needed to repair the OBDII code P1591 in a 2015 GMC Sierra can vary depending on the specific cause of the issue and the extent of the repairs needed. Simple fixes may take a few hours, while more complex issues could take longer to diagnose and repair.
Discuss the causes and fixes for P1591 2015 GMC Sierra OBDII Code
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