P151D Code - Transmission Control Module Engine Shutdown 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 Transmission Control Module, Transmission Control Module harness is open or shorted, Transmission 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
- P151D indicates Transmission Control Module Engine Shutdown Request Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Transmission Control Module, Transmission Control Module harness is open or shorted, Transmission 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 P151D Description
What are the Possible Causes of the DTC P151D?
- Faulty Transmission Control Module
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How to Fix the DTC P151D?
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 P151D 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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Get the P151D code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P151D Buick — Transmission Control Module Engine Shutdown Request Signal Message Counter Incorrect
- P151D Cadillac — Transmission Control Module Engine Shutdown Request Signal Message Counter Incorrect
- P151D Chevrolet — Transmission Control Module Engine Shutdown Request Signal Message Counter Incorrect
- P151D GMC — Transmission Control Module Engine Shutdown Request Signal Message Counter Incorrect
Frequently Asked Questions about P151D Code
1. What are the common symptoms of OBDII code P151D?
The common symptoms of OBDII code P151D include engine shutdown while driving, rough shifting of gears, decreased fuel efficiency, and illuminated warning lights on the dashboard.
2. What can cause the OBDII code P151D to appear?
The OBDII code P151D may appear due to a faulty Transmission Control Module (TCM), a malfunctioning engine control module (ECM), wiring issues, or a software glitch in the vehicle's electronic systems.
3. How serious is the OBDII code P151D?
The OBDII code P151D is serious as it indicates a problem with the communication between the Transmission Control Module and the Engine Control Module, which can lead to potential safety hazards and operational issues with the vehicle.
4. Can I continue driving with the OBDII code P151D present?
It is not recommended to continue driving with the OBDII code P151D present, as it can result in unexpected engine shutdowns and other transmission-related problems, jeopardizing safety and causing further damage to the vehicle.
5. How can I diagnose and repair the OBDII code P151D?
Diagnosing and repairing the OBDII code P151D may require a professional scan tool to retrieve specific transmission and engine fault codes. Repair steps may involve checking and repairing wiring connections, updating software, or replacing the faulty TCM or ECM components.
6. Are there any DIY tips for troubleshooting the OBDII code P151D?
While some basic troubleshooting steps like checking for loose connections and ensuring proper grounding can be performed by DIY enthusiasts, it is recommended to consult a qualified mechanic or technician for a comprehensive diagnosis and repair of the OBDII code P151D.
7. Is the OBDII code P151D specific to certain vehicle makes and models?
The OBDII code P151D can be specific to certain vehicle makes and models, particularly those equipped with advanced transmission control systems. It is essential to consult the vehicle's service manual or a professional technician for accurate diagnosis and repair.
8. Can resetting the OBDII code P151D resolve the issue temporarily?
Resetting the OBDII code P151D may temporarily clear the fault code, but it will not address the underlying issue causing the transmission control module engine shutdown request signal message counter incorrect error. Proper diagnosis and repair are necessary to resolve the problem permanently.
9. How much does it typically cost to repair the OBDII code P151D?
The cost of repairing the OBDII code P151D can vary depending on the root cause of the issue, the extent of the repairs needed, and the labor rates of the repair shop. It is advisable to obtain a detailed estimate from a trusted mechanic before proceeding with the repairs.
10. What preventive maintenance can help avoid the OBDII code P151D in the future?
Regular vehicle maintenance, including scheduled transmission and engine inspections, keeping the electrical system in good condition, and promptly addressing any warning lights or unusual symptoms, can help prevent the occurrence of the OBDII code P151D and other related issues.
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