C1504 RAM Code - Tire Pressure Sensor 4
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
- C1504 RAM indicates Tire Pressure Sensor 4.
- 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.
Code C1504 RAM Description
What are the Possible Causes of the DTC C1504 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 C1504 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 C1504 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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Frequently Asked Questions about C1504 RAM Code
1. What does the OBDII code C1504 in a RAM vehicle mean?
C1504 indicates an issue with Tire Pressure Sensor 4, typically relating to communication, signal, or functionality problems with the fourth tire pressure monitoring sensor.
2. What are the common symptoms of code C1504 in a RAM vehicle?
Common symptoms include the tire pressure warning light illuminating on the dashboard, inaccurate tire pressure readings, or no reading from the fourth tire sensor.
3. What causes the C1504 code to appear in a RAM vehicle?
This code is often caused by a faulty tire pressure sensor, dead sensor battery, damaged wiring, interference with the sensor signal, or a malfunction in the tire pressure monitoring system (TPMS).
4. How do I diagnose the C1504 code in my RAM?
A professional scan tool can check sensor signals and pinpoint the issue. Visual inspection of the tire pressure sensor and its wiring is also helpful to identify physical damage or corrosion.
5. Can I drive my RAM with the C1504 code?
Yes, you can drive with this code present, but it is not recommended for long periods, as the TPMS may not function correctly, potentially leading to unrecognized low tire pressure and unsafe driving conditions.
6. How do I fix the C1504 code in my RAM vehicle?
Repairs may include replacing the faulty tire pressure sensor, reprogramming or resetting the TPMS, repairing damaged wiring, or addressing any interference affecting the sensor signal.
7. How much does it cost to repair the C1504 code in a RAM vehicle?
The cost varies but typically ranges from $50 to $150 for a new tire pressure sensor, plus labor if professional installation is required, which can add $50 to $100.
8. Does the C1504 code require TPMS reprogramming after repair?
Yes, after replacing or repairing a tire pressure sensor, the TPMS will often need to be reprogrammed or reset using a specialized tool to ensure proper communication.
9. Can a weak battery in the sensor cause the C1504 code?
Yes, a weak or dead battery in the tire pressure sensor is a common cause of the C1504 code, as it prevents the sensor from transmitting data to the TPMS module.
10. How can I prevent the C1504 code from occurring again?
Regularly check tire pressure, inspect sensors for damage during tire changes, and replace sensors with high-quality, compatible parts when needed to maintain the TPMS system.
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