U1401 Dodge Code - Implausible Engine Speed Signal Received
Quick Answer
The purpose of the diagnostic is to monitor the Controller Area Network (CAN) BUS, the transmitted messages on the CAN BUS and the validity of the CAN signals. Common causes include Check for Powertrain Control Module (PCM) codes, Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted. 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
- U1401 Dodge indicates Implausible Engine Speed Signal Received.
- Common causes
- Common causes include Check for Powertrain Control Module (PCM) codes, Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted.
- 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 U1401 Dodge Description
What are the Possible Causes of the DTC U1401 Dodge?
- Check for Powertrain Control Module (PCM) codes
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How to Fix the DTC U1401 Dodge?
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 U1401 Dodge 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 U1401 Dodge Code
1. What are the common symptoms of OBDII code U1401 in a Dodge vehicle?
- Common symptoms include engine stalling, rough idling, loss of power, and the Check Engine light being illuminated.
2. What does the OBDII code U1401 "Implausible Engine Speed Signal Received" mean in a Dodge?
- The code indicates that the Engine Control Module (ECM) has detected an implausible signal related to the engine speed.
3. What are the possible causes of OBDII code U1401 in a Dodge?
- Possible causes include a faulty crankshaft position sensor, damaged wiring or connectors, ECM issues, or a malfunctioning engine control module.
4. How can I diagnose the OBDII code U1401 in my Dodge?
- Diagnosis typically involves using a scan tool to retrieve the code and then inspecting the crankshaft position sensor, wiring, and connectors for any damage or corrosion.
5. Is it safe to continue driving with the U1401 code in a Dodge?
- It is not recommended to continue driving with the code present, as it can lead to further engine issues and potential safety hazards.
6. Can I repair the U1401 code in my Dodge myself?
- While some DIY enthusiasts may attempt to replace the crankshaft position sensor or check the wiring, it is advisable to consult a professional mechanic for proper diagnosis and repair.
7. How much does it typically cost to fix the U1401 code in a Dodge?
- The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
8. Will resetting the Check Engine light make the U1401 code go away?
- Resetting the Check Engine light may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return.
9. How long does it take to repair the U1401 code in a Dodge?
- The repair time can vary based on the specific cause of the code, but it typically takes a few hours to diagnose and fix the issue.
10. Can the U1401 code cause permanent damage to the engine in a Dodge?
- If left unresolved, the underlying issue causing the code can potentially lead to further engine damage, so it is important to address it promptly.
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