P151D 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P151D 2015 Chevrolet Silverado?
- 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 2015 Chevrolet Silverado?
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 2015 Chevrolet Silverado 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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Frequently Asked Questions about P151D 2015 Chevrolet Silverado Code
1. What does the OBDII code P151D mean on a 2015 Chevrolet Silverado?
P151D indicates that the Transmission Control Module (TCM) has detected an issue with the Engine Shutdown Request Signal Message Counter, which may indicate improper communication between the TCM and Engine Control Module (ECM).
2. What are the common symptoms of code P151D in a 2015 Silverado?
Symptoms may include a check engine light, erratic transmission behavior, difficulty starting, or the engine shutting down unexpectedly.
3. What causes OBDII code P151D to appear?
Common causes include faulty wiring or connectors between the TCM and ECM, a malfunctioning TCM or ECM, or corrupted software.
4. Can a bad battery cause code P151D in my Silverado?
Yes, a weak or failing battery can cause voltage inconsistencies, potentially leading to communication issues between the TCM and ECM.
5. How do I fix code P151D on my 2015 Chevrolet Silverado?
Repairs may involve inspecting and repairing damaged wiring or connectors, updating or reprogramming the TCM or ECM, or replacing a faulty module if necessary.
6. Is code P151D safe to drive with?
Driving with P151D may be unsafe if the issue causes the engine to shut down unexpectedly or the transmission to behave erratically. It's best to address the issue promptly.
7. How much does it cost to repair OBDII code P151D?
Repair costs vary depending on the root cause. Wiring repairs may cost $100-$300, while replacing or reprogramming modules can range from $500 to $1,500.
8. Can I diagnose P151D at home?
If you have a compatible OBDII scanner, you can read the code and inspect visible wiring issues, but advanced diagnostics may require professional tools and expertise.
9. Does P151D require reprogramming the TCM or ECM?
In some cases, reprogramming the TCM or ECM with updated software can resolve the issue, but this depends on the specific cause.
10. What should I check first when troubleshooting P151D?
Start by inspecting the wiring and connectors between the TCM and ECM for damage, corrosion, or loose connections, as these are common culprits.
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