U142A Chrysler Code - Implausible PRNDL Signal Received
Quick Answer
The U142A code for Chrysler vehicles indicates that an implausible PRNDL (Park, Reverse, Neutral, Drive, Low) signal has been received. Common causes include Faulty PRNDL switch or gear selector, Damaged wiring or connectors in the transmission control circuit, Malfunctioning TCM or ECM. 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
- U142A Chrysler indicates Implausible PRNDL Signal Received.
- Common causes
- Common causes include Faulty PRNDL switch or gear selector, Damaged wiring or connectors in the transmission control circuit, Malfunctioning TCM or ECM.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U142A Chrysler Description
The U142A code for Chrysler vehicles indicates that an implausible PRNDL (Park, Reverse, Neutral, Drive, Low) signal has been received. This typically means that there is a communication issue between the transmission control module (TCM) and the engine control module (ECM) regarding the gear position. The PRNDL switch, also known as the gear selector or gear position sensor, is responsible for sending signals to the TCM to inform it of the selected gear. When an implausible signal is received, it can lead to incorrect gear selection, erratic shifting, and potential safety hazards.
Common Causes of U142A Chrysler
- Faulty PRNDL switch or gear selector
- Damaged wiring or connectors in the transmission control circuit
- Malfunctioning TCM or ECM
- Software issues within the control modules
- Corrosion or moisture intrusion in the transmission control system
Symptoms of U142A Chrysler
- Erratic shifting or difficulty shifting gears
- Incorrect gear display on the instrument cluster
- Harsh engagement of gears
- Vehicle stalling or not starting
- Transmission slipping or jerking during acceleration
How to Fix U142A Chrysler
- Begin by conducting a thorough diagnostic scan to retrieve the U142A code and verify the issue.
- Inspect the PRNDL switch and associated wiring for any damage or corrosion. Replace any faulty components.
- Check the TCM and ECM for proper operation and communication. Update software if necessary.
- Clear the code and perform a test drive to ensure the issue has been resolved.
- If the problem persists, consult a professional technician for further diagnosis and repair.
Cost to Fix U142A Chrysler
The typical repair costs for addressing the U142A code can range from $200 to $500, depending on the extent of the issue and the parts needed for replacement. This estimate includes the cost of parts such as a new PRNDL switch, wiring repairs, and labor charges. It is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates can range from $80 to $150 per hour, with higher rates in metropolitan areas or at dealerships, and lower rates at independent shops. For a more precise estimate, it is recommended to inquire with local auto repair shops.
Need more information about the U142A Chrysler code?
Need more information on how to fix the U142A Chrysler code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U142A Chrysler code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U142A Chrysler Code
1. What are the common symptoms of OBDII code U142A Chrysler?
The common symptoms of OBDII code U142A Chrysler include issues with shifting gears, the transmission not engaging properly, and the dashboard displaying incorrect gear information.
2. What are the possible causes of the U142A code?
The U142A code, indicating an Implausible PRNDL Signal Received, can be caused by faulty transmission position sensors, wiring issues, software glitches, or a malfunctioning transmission control module.
3. How can I diagnose the U142A code on my Chrysler vehicle?
Diagnosing the U142A code usually involves using an OBDII scanner to retrieve the code, checking the transmission position sensors for proper operation, inspecting the wiring for any damage, and performing a thorough visual inspection of related components.
4. Can I continue driving my Chrysler with the U142A code present?
It is not recommended to continue driving your Chrysler with the U142A code present, as it can lead to further damage to the transmission or other related components. It is best to address the issue promptly.
5. How can I repair the U142A code on my Chrysler?
Repairing the U142A code typically involves replacing faulty transmission position sensors, repairing damaged wiring, updating software if necessary, or replacing the transmission control module in more severe cases.
6. Are there any DIY tips for fixing the U142A code?
While some basic troubleshooting steps can be done by DIY enthusiasts, fixing the U142A code often requires specialized tools and knowledge. It is recommended to consult a professional mechanic for proper diagnosis and repair.
7. How much does it cost to fix the U142A code on a Chrysler?
The cost of fixing the U142A code on a Chrysler can vary depending on the underlying issue, parts required for repair, and labor costs. It is advisable to get a few quotes from different mechanics to compare prices.
8. Can a faulty battery or alternator trigger the U142A code?
While a faulty battery or alternator can cause electrical issues in a vehicle, they are not typically direct triggers for the U142A code. However, it is essential to ensure that the electrical system is in good working condition to prevent related problems.
9. Is the U142A code specific to Chrysler vehicles only?
The U142A code related to an Implausible PRNDL Signal Received is commonly found in Chrysler vehicles, but similar codes may exist for other car manufacturers with their unique definitions. It is essential to check the specific code definitions for each vehicle model.
10. Can a software update fix the U142A code issue?
In some cases, a software update provided by Chrysler may address the U142A code issue, especially if it is related to a known software glitch. It is advisable to consult a Chrysler dealership or authorized service center for guidance on software updates.
Discuss the causes and fixes for U142A Chrysler OBDII Code
Code U142A Chrysler comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.