AutoCodes – Acura – P1E66 Acura

P1E66 Acura Code - Motor Angle Sudden Change

Quick Answer

The Engine Control Module (ECM) monitors the Motor Angle Signal. Common causes include Faulty Electric Servo Brake Control Unit, Electric Servo Brake Control Unit harness is open or shorted, Electric Servo Brake Control Unit 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
P1E66 Acura indicates Motor Angle Sudden Change.
Common causes
Common causes include Faulty Electric Servo Brake Control Unit, Electric Servo Brake Control Unit harness is open or shorted, Electric Servo Brake Control Unit 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 837
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 24, 2020
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Code P1E66 Acura Description

The Engine Control Module (ECM) monitors the Motor Angle Signal. The ECM sets the OBDII code when the Motor Angle Signal is not to factory specifications.
OBDII Code P1E66 Acura - Motor Angle Sudden Change - AutoCodes.com
P1E66 Acura Code - Motor Angle Sudden Change

What are the Possible Causes of the DTC P1E66 Acura?

  • Faulty Electric Servo Brake Control Unit
  • Electric Servo Brake Control Unit harness is open or shorted
  • Electric Servo Brake Control Unit circuit poor electrical connection

How to Fix the DTC P1E66 Acura?

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 P1E66 Acura 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 P1E66 Acura code?

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Need Help with the Code?

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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 P1E66 Acura Code

1. What are the common symptoms of OBDII code P1E66 in an Acura related to motor angle sudden change?

- The common symptoms include rough idling, engine stalling, loss of power, and potentially an illuminated check engine light.

2. What are the possible causes of the OBDII code P1E66 in an Acura?

- The code P1E66 typically indicates a sudden change in motor angle, which can be caused by issues with the throttle actuator, wiring faults, or sensor malfunctions.

3. How can I diagnose the OBDII code P1E66 in my Acura related to motor angle sudden change?

- Diagnosing this code usually involves using a scan tool to read the code, checking the throttle actuator and related components for proper operation, and inspecting the wiring and connectors for any damage.

4. Is it safe to continue driving my Acura with the OBDII code P1E66 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to performance issues and potential safety concerns due to the sudden motor angle change.

5. Can I reset the OBDII code P1E66 in my Acura on my own?

- While you can clear the code using a scan tool, it is important to address the underlying issue causing the code to prevent it from reoccurring.

6. What are some repair tips for fixing the OBDII code P1E66 related to motor angle sudden change in an Acura?

- Repair tips may include checking and cleaning the throttle body, inspecting the throttle actuator for proper functioning, and ensuring all wiring and connectors are secure and free of damage.

7. How much does it typically cost to repair the OBDII code P1E66 in an Acura?

- The cost of repair can vary depending on the exact cause of the code, but it may involve replacing components such as the throttle actuator or sensors, which can range from a few hundred to a few thousand dollars.

8. Are there any preventative measures I can take to avoid the OBDII code P1E66 in my Acura?

- Performing regular maintenance on your vehicle, such as cleaning the throttle body and inspecting the wiring, can help prevent issues that may trigger the code P1E66 related to motor angle sudden change.

9. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code P1E66 in an Acura?

- While some simple tasks like cleaning the throttle body can be done by a DIY enthusiast, diagnosing and repairing more complex issues related to the code P1E66 may require professional expertise.

10. Will the OBDII code P1E66 in my Acura reset on its own if the underlying issue is resolved?

- In some cases, the code may reset on its own after the underlying issue causing the sudden motor angle change is fixed. If the code persists, it may require manual clearing with a scan tool.

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