AutoCodes – RAM – C1503 RAM

C1503 RAM Code - Tire Pressure Sensor 3

Quick Answer

The Right Front Hub will monitor the signals from the active road tire Tire Pressure Monitor (TPM) Sensors. Common causes include Faulty Tire Pressure Sensor, Tire Pressure Sensor harness is open or shorted, Tire Pressure Sensor 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: C1503 RAM indicates Tire Pressure Sensor 3.
Common causes: Common causes include Faulty Tire Pressure Sensor, Tire Pressure Sensor harness is open or shorted, Tire Pressure Sensor 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.

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Code Popularity 1,292

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 Oct 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1503 RAM Description

The Right Front Hub will monitor the signals from the active road tire Tire Pressure Monitor (TPM) Sensors. This code sets if pressure, temperature, or acceleration data is not received or cannot be accurately decoded for a maximum of 20 minutes.

OBDII Code C1503 RAM - Tire Pressure Sensor 3 - AutoCodes.com — C1503 RAM Code - Tire Pressure Sensor 3

What does this mean?

What are the Possible Causes of the DTC C1503 RAM?

Faulty Tire Pressure Sensor
Tire Pressure Sensor harness is open or shorted
Tire Pressure Sensor circuit poor electrical connection

How to Fix the DTC C1503 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 C1503 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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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 C1503 RAM Code

1. What are the common symptoms of OBDII code C1503 related to Tire Pressure Sensor 3?

The common symptoms include the tire pressure warning light staying illuminated on the dashboard and receiving a tire pressure monitoring system (TPMS) malfunction message.

2. What are the possible causes of OBDII code C1503 related to Tire Pressure Sensor 3?

Possible causes include a faulty tire pressure sensor, low tire pressure in the corresponding tire, sensor battery depletion, sensor damage, or sensor communication issues.

3. How can I diagnose OBDII code C1503 related to Tire Pressure Sensor 3?

You can diagnose the code by using a TPMS diagnostic tool to read the specific sensor ID, checking the tire pressure in all tires, inspecting the sensor for physical damage, and testing the sensor battery.

4. What are the recommended repair tips for OBDII code C1503 related to Tire Pressure Sensor 3?

Repair tips include replacing the faulty tire pressure sensor, ensuring the correct tire pressure in all tires, reprogramming the sensor if necessary, and conducting a sensor relearn procedure.

5. Can driving with OBDII code C1503 related to Tire Pressure Sensor 3 pose any risks?

Driving with this code may compromise your ability to monitor tire pressure accurately, leading to potential safety risks due to underinflated or overinflated tires. It is recommended to address this issue promptly.

6. How do I reset OBDII code C1503 related to Tire Pressure Sensor 3 after repairs?

You can reset the code by using an OBDII scanner to clear the stored fault codes in the vehicle's system after repairing or replacing the faulty tire pressure sensor.

7. Is it possible to bypass OBDII code C1503 related to Tire Pressure Sensor 3 temporarily?

While it is possible to clear the code temporarily using a diagnostic tool, it is not recommended to bypass or ignore the issue as it relates to the proper functioning of the tire pressure monitoring system.

8. Can weather conditions affect OBDII code C1503 related to Tire Pressure Sensor 3?

Extreme weather conditions such as temperature fluctuations or severe cold can impact tire pressure readings and trigger the TPMS warning, potentially leading to the occurrence of this code.

9. How often should Tire Pressure Sensor 3 be replaced to prevent OBDII code C1503?

Tire pressure sensors typically have a lifespan of 5-7 years or around 100,000 miles. Regularly inspecting and replacing sensors as needed can help prevent the occurrence of OBDII code C1503.

10. Are there aftermarket solutions available for fixing OBDII code C1503 related to Tire Pressure Sensor 3?

Yes, there are aftermarket tire pressure sensor kits available that can be installed as a replacement for the faulty sensor, but it is essential to ensure compatibility and proper calibration with your vehicle's system.