AutoCodes – Dodge – U1466 Dodge

U1466 Dodge 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 Dodge 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.

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Code Popularity 1,263

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1466 Dodge Description

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. The Diagnostic Trouble Code (DTC) will set when the Transmission Control Module (TCM) detects an incorrect signal ID from the Electronic Shift Module (ESM).

OBDII Code U1466 Dodge - Implausible Driver Shift Request Signal Received On DPT CAN - AutoCodes.com — U1466 Dodge Code - Implausible Driver Shift Request Signal Received On DPT CAN

What does this mean?

What are the Possible Causes of the DTC U1466 Dodge?

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 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 U1466 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about U1466 Dodge Code

1. What does the OBDII code U1466 mean on a Dodge vehicle?

The U1466 code indicates that an implausible driver shift request signal has been received on the Drive Position Transmission (DPT) CAN bus.

2. What are the common symptoms of the U1466 code?

Symptoms may include erratic shifting, the transmission stuck in one gear, the inability to shift gears, or the illumination of the check engine light.

3. What causes the U1466 code to appear?

The code can be caused by a faulty gear shift module, damaged wiring or connectors on the DPT CAN bus, or a software issue in the transmission control module (TCM).

4. Can a weak battery cause the U1466 code?

Yes, low voltage or a weak battery can lead to communication errors on the CAN bus and trigger the U1466 code.

5. How is the U1466 code diagnosed?

A technician will use a scan tool to check for related codes, inspect the wiring and connectors around the shift module, and test the functionality of the CAN bus system.

6. Can I still drive my Dodge with the U1466 code?

Driving with the U1466 code is not recommended, as it may lead to erratic shifting or transmission failure, potentially causing unsafe driving conditions.

7. How do you fix the U1466 code?

Repair may involve replacing a faulty gear shift module, repairing damaged wiring or connectors, or updating the TCM software.

8. Is the U1466 code covered under warranty?

It may be covered under the powertrain or emissions warranty, depending on your vehicle's age and mileage. Check with your dealership for warranty specifics.

9. How much does it cost to fix the U1466 code?

Repair costs can vary widely but may range from $150 to $500, depending on whether the issue is with wiring, a module, or software.

10. Can a DIYer fix the U1466 code?

If you have advanced diagnostic tools and knowledge of CAN bus systems, you may be able to troubleshoot and repair the issue. However, professional assistance is often recommended.