AutoCodes – RAM – C15D6 RAM

C15D6 RAM Code - Run Flat Tire Pressure Below Threshold

Quick Answer

This diagnostic runs continuously when the following conditions are met: Ignition on, System voltage between 10.0 and 16.0 volts, and the engine run time above 3 seconds. Common causes include Low Tire Pressure, Faulty Tire Pressure Monitoring (TPM) Sensor. 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: C15D6 RAM indicates Run Flat Tire Pressure Below Threshold.
Common causes: Common causes include Low Tire Pressure, Faulty Tire Pressure Monitoring (TPM) Sensor.
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 961

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 Nov 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C15D6 RAM Description

This diagnostic runs continuously when the following conditions are met: Ignition on, System voltage between 10.0 and 16.0 volts, and the engine run time above 3 seconds. The Tire Pressure Monitoring (TPM) Module sets the OBDII code when it receives a valid RF Message from a TPM sensor equipped to a road tire (i.e. not the spare) where the pressure value is approximately 14.5 PSI below the placard pressure of the axle to which the sensor has been located.

OBDII Code C15D6 RAM - Run Flat Tire Pressure Below Threshold - AutoCodes.com — C15D6 RAM Code - Run Flat Tire Pressure Below Threshold

What does this mean?

What are the Possible Causes of the DTC C15D6 RAM?

Low Tire Pressure
Faulty Tire Pressure Monitoring (TPM) Sensor

How to Fix the DTC C15D6 RAM?

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 C15D6 RAM 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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Need Help with the Code?

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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 C15D6 RAM Code

1. What are the common symptoms of OBDII code C15D6 RAM titled Run Flat Tire Pressure Below Threshold?

- The common symptoms include a warning light on the dashboard, a message indicating low tire pressure, and potential handling issues while driving.

2. What causes the OBDII code C15D6 RAM to trigger for Run Flat Tire Pressure Below Threshold?

- This code is triggered when the tire pressure monitoring system detects that the pressure in a run-flat tire has fallen below the specified threshold.

3. Can driving with the OBDII code C15D6 RAM active cause further damage to the vehicle?

- Driving with low tire pressure can potentially damage the tires and affect the vehicle's handling and safety, so it is advisable to address the issue promptly.

4. How can I troubleshoot the OBDII code C15D6 RAM related to Run Flat Tire Pressure Below Threshold?

- Start by checking the tire pressure in all run-flat tires, ensuring they are properly inflated according to the manufacturer's specifications.

5. What is the recommended repair for the OBDII code C15D6 RAM indicating low tire pressure in run-flat tires?

- The recommended repair involves identifying the cause of the low tire pressure, which could be due to a puncture, leak, or faulty tire pressure monitoring sensor, and addressing it accordingly.

6. Is it safe to continue driving with the OBDII code C15D6 RAM active if the tire pressure appears to be normal?

- It is not recommended to ignore the warning light, as it could indicate an intermittent issue that may require further inspection by a professional.

7. Can resetting the OBDII code C15D6 RAM related to low run-flat tire pressure resolve the issue?

- Resetting the code may temporarily clear the warning, but it is crucial to address the underlying cause of the low tire pressure to prevent future occurrences.

8. How can I prevent the recurrence of the OBDII code C15D6 RAM for Run Flat Tire Pressure Below Threshold?

- Regularly checking and maintaining proper tire pressure, inspecting tires for damage, and ensuring the tire pressure monitoring system is functioning correctly can help prevent this code from reoccurring.

9. Are run-flat tires more susceptible to triggering the OBDII code C15D6 RAM compared to regular tires?

- Run-flat tires may trigger this code more frequently due to their specialized design and the importance of maintaining proper tire pressure for their performance and safety features.

10. What should I do if I encounter the OBDII code C15D6 RAM while driving and cannot immediately address the low tire pressure issue?

- If you cannot address the issue immediately, reduce your speed, drive cautiously to the nearest safe location, and inspect the tires as soon as possible to determine the cause of the low pressure.