U1503 Jeep Code - Implausible Message Data Length Received From FCM
Quick Answer
The Diagnostic Trouble Code (DTC) will set when the Anti-Lock Brake Module detects an incorrect Controller Area Network (CAN) message from the Totally Integrated Power Module (TIPM). Common causes include Faulty Totally Integrated Power Module (TIPM), Totally Integrated Power Module harness is open or shorted, Totally Integrated Power 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
- U1503 Jeep indicates Implausible Message Data Length Received From FCM.
- Common causes
- Common causes include Faulty Totally Integrated Power Module (TIPM), Totally Integrated Power Module harness is open or shorted, Totally Integrated Power 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 U1503 Jeep Description
What are the Possible Causes of the DTC U1503 Jeep?
- Faulty Totally Integrated Power Module (TIPM)
- Totally Integrated Power Module harness is open or shorted
- Totally Integrated Power Module circuit poor electrical connection
- Faulty Anti-Lock Brakes (ABS) Module
How to Fix the DTC U1503 Jeep?
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 U1503 Jeep 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.
Need more information about the U1503 Jeep code?
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Frequently Asked Questions about U1503 Jeep Code
1. What does the OBDII code U1503 for Jeep mean?
The U1503 code indicates an "Implausible Message Data Length Received From FCM" error, which is related to communication issues with the Front Control Module in the vehicle.
2. What are the common symptoms of an U1503 code in a Jeep?
Common symptoms of the U1503 code may include dashboard warning lights, erratic behavior of electronic components, and communication problems with various vehicle systems.
3. What are the possible causes of the U1503 code in a Jeep?
Possible causes of the U1503 code include faulty wiring or connectors, a malfunctioning Front Control Module, software issues, or a communication network problem within the vehicle.
4. How do I diagnose the U1503 code in my Jeep?
Diagnosing the U1503 code typically involves using an OBDII scanner to retrieve the code, checking for any other related codes, inspecting the wiring and connectors, and performing tests on the Front Control Module and communication network.
5. Can I still drive my Jeep with an U1503 code?
It is not recommended to drive the vehicle with an unresolved U1503 code, as it may lead to further electrical problems or malfunctions in the vehicle's systems.
6. How can I repair the U1503 code in my Jeep?
Repairing the U1503 code may involve fixing any wiring or connector issues, replacing the Front Control Module if necessary, updating software, or addressing communication network problems in the vehicle.
7. Is it possible to reset the U1503 code in a Jeep without fixing the underlying issue?
While you can clear the code with an OBDII scanner, it is important to address the root cause of the U1503 code to prevent it from reoccurring and potentially causing further issues.
8. Can a DIY enthusiast fix the U1503 code in a Jeep?
Depending on the specific cause of the U1503 code, some DIY enthusiasts with the appropriate tools and knowledge may be able to address certain issues like wiring problems. However, more complex issues may require professional diagnosis and repair.
9. Will the U1503 code cause my Jeep to fail an emissions test?
The U1503 code itself may not directly cause the vehicle to fail an emissions test, but it is an indication of a potential underlying issue that could impact the vehicle's emissions system and overall performance.
10. How much does it cost to repair the U1503 code in a Jeep?
The cost of repairing the U1503 code can vary depending on the cause of the issue, the needed parts, and whether you choose to do the repair yourself or take it to a mechanic. It's best to get a diagnostic from a professional to determine the exact cost.
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