U1114 RAM Code - Lost Communication With Left Front Tire Pressure Trigger Module
Quick Answer
The Diagnostic Trouble Code (DTC) sets if the Wireless Ignition Node (WIN) fails to receive bus messages from the Tire Pressure Trigger Module for two consecutive counts of trigger module not responding to a communication check. Common causes include Faulty Tire Pressure Trigger Module, Tire Pressure Trigger Module harness is open or shorted, Tire Pressure Trigger 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
- U1114 RAM indicates Lost Communication With Left Front Tire Pressure Trigger Module.
- Common causes
- Common causes include Faulty Tire Pressure Trigger Module, Tire Pressure Trigger Module harness is open or shorted, Tire Pressure Trigger 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 U1114 RAM Description
What are the Possible Causes of the DTC U1114 RAM?
- Faulty Tire Pressure Trigger Module
- Tire Pressure Trigger Module harness is open or shorted
- Tire Pressure Trigger Module circuit poor electrical connection
- Faulty Wireless Ignition Node (WIN)
How to Fix the DTC U1114 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 U1114 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 U1114 RAM Code
1. What does the OBDII code U1114 mean for a RAM vehicle?
The U1114 code indicates a loss of communication between the vehicle's main control modules and the Left Front Tire Pressure Trigger Module.
2. What are common symptoms of the U1114 code in a RAM vehicle?
Symptoms may include a TPMS warning light on the dashboard, inaccurate or missing tire pressure readings, and intermittent communication faults.
3. What causes the U1114 code to appear in a RAM vehicle?
The code can be caused by a faulty Left Front Tire Pressure Trigger Module, damaged wiring or connectors, a dead TPMS sensor battery, or software glitches.
4. Can I drive my RAM vehicle with the U1114 code active?
Yes, but it is not recommended, as incorrect or missing tire pressure data could lead to unsafe driving conditions.
5. How do I diagnose the U1114 code in my RAM vehicle?
Start by scanning for other related codes, inspecting the wiring and connectors for damage or corrosion, and testing the Left Front Tire Pressure Trigger Module for proper function.
6. How can I fix the U1114 code on a RAM vehicle?
Repairs may include replacing the Left Front Tire Pressure Trigger Module, repairing or replacing damaged wiring, or reprogramming the TPMS system.
7. Is a dead TPMS sensor battery a possible cause of the U1114 code?
Yes, a dead or weak battery in the Left Front TPMS sensor can cause communication issues and trigger the U1114 code.
8. How much does it cost to fix the U1114 code in a RAM vehicle?
Repair costs can vary but typically range from $100 to $300, depending on whether the issue is with the sensor, wiring, or module.
9. Will clearing the U1114 code with an OBDII scanner fix the problem?
Clearing the code may temporarily remove the warning light, but the underlying issue must be resolved to prevent the code from returning.
10. Can a software update resolve the U1114 code in a RAM vehicle?
In some cases, a software update to the vehicle's control modules may fix communication issues, but this should be confirmed after diagnosing the problem.
Discuss the causes and fixes for U1114 RAM OBDII Code
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