U1466 Code - Implausible Driver Shift Request Signal Received On DPT CAN
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 Faulty Electronic Shift Module (ESM), Electronic Shift Module (ESM) harness is open or shorted, Electronic Shift Module (ESM) 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
- U1466 indicates Implausible Driver Shift Request Signal Received On DPT CAN.
- Common causes
- Common causes include Faulty Electronic Shift Module (ESM), Electronic Shift Module (ESM) harness is open or shorted, Electronic Shift Module (ESM) 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 U1466 Description
What are the Possible Causes of the DTC U1466?
- Faulty Electronic Shift Module (ESM)
- Electronic Shift Module (ESM) harness is open or shorted
- Electronic Shift Module (ESM) circuit poor electrical connection
- Faulty Transmission Control Module (TCM)
How to Fix the DTC U1466?
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 U1466 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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Information for Specific Makes
- U1466 Chrysler — Implausible Driver Shift Request Signal Received On DPT CAN
- U1466 Dodge — Implausible Driver Shift Request Signal Received On DPT CAN
- U1466 Jeep — Implausible Driver Shift Request Signal Received On DPT CAN
- U1466 RAM — Implausible Driver Shift Request Signal Received On DPT CAN
Frequently Asked Questions about U1466 Code
1. What are the common symptoms of OBDII code U1466?
The common symptoms of code U1466 include issues with shifting gears, transmission slipping, and the vehicle not responding properly to driver shift requests.
2. What does the OBDII code U1466 indicate?
OBDII code U1466 indicates that an implausible driver shift request signal was received on the DPT CAN (Controller Area Network) communication bus.
3. What are the potential causes of code U1466?
Potential causes of code U1466 include faulty transmission control module (TCM), damaged wiring or connectors in the DPT CAN communication circuit, and software issues within the TCM.
4. How can I diagnose the OBDII code U1466?
Diagnosing code U1466 involves using a diagnostic scanner to retrieve the code, checking the TCM for any fault codes, inspecting the DPT CAN communication circuit for damage, and testing the TCM's functionality.
5. Can code U1466 be fixed by resetting the TCM?
In some cases, resetting the TCM may temporarily clear the code, but if the underlying issue persists, the code is likely to return. It is important to diagnose and address the root cause of the problem.
6. Are there any DIY repair tips for resolving code U1466?
DIY repair tips for resolving code U1466 include checking for loose or damaged wiring in the DPT CAN circuit, ensuring all connectors are securely attached, and performing a thorough inspection of the TCM.
7. Is it safe to continue driving with OBDII code U1466 present?
It is not recommended to continue driving with code U1466 present, as it can lead to further transmission issues and potential safety hazards. It is best to address the problem promptly.
8. How much does it typically cost to repair OBDII code U1466?
The cost of repairing code U1466 can vary depending on the underlying issue. Simple fixes like repairing wiring may be relatively inexpensive, while more complex issues like TCM replacement can be costly.
9. Can code U1466 cause damage to other vehicle components if left unresolved?
If left unresolved, code U1466 can potentially cause damage to the transmission system and other related components. It is important to address the issue promptly to prevent further damage.
10. Will resetting the OBDII code U1466 make it go away permanently?
Resetting the code without fixing the underlying issue will not make it go away permanently. The code is likely to reappear once the problem persists. It is crucial to diagnose and repair the root cause of the code.
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