AutoCodes – Acura – P1E42 Acura

P1E42 Acura Code - Electric Servo Brake System Fail-Safe Relay Stuck Off

Quick Answer

The Engine Control Module (ECM) monitors the Electric Servo Brake. Common causes include Faulty Electric Servo Brake, Electric Servo Brake harness is open or shorted, Electric Servo Brake 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
P1E42 Acura indicates Electric Servo Brake System Fail-Safe Relay Stuck Off.
Common causes
Common causes include Faulty Electric Servo Brake, Electric Servo Brake harness is open or shorted, Electric Servo Brake 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 1,020
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 P1E42 Acura Description

The Engine Control Module (ECM) monitors the Electric Servo Brake. The ECM sets the OBDII code when the Electric Servo Brake is not to factory specifications.
OBDII Code P1E42 Acura - Electric Servo Brake System Fail-Safe Relay Stuck Off - AutoCodes.com
P1E42 Acura Code - Electric Servo Brake System Fail-Safe Relay Stuck Off

What are the Possible Causes of the DTC P1E42 Acura?

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

How to Fix the DTC P1E42 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 P1E42 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 P1E42 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 P1E42 Acura Code

1. What are the common symptoms of OBDII code P1E42 in an Acura related to the Electric Servo Brake System Fail-Safe Relay Stuck Off?

- Common symptoms may include the brake warning light illuminating on the dashboard, loss of power brakes, and potential difficulty stopping the vehicle.

2. What could cause the Electric Servo Brake System Fail-Safe Relay to be stuck off in an Acura?

- Possible causes include a malfunctioning relay, wiring issues, a faulty brake actuator, or a problem with the electric servo brake system components.

3. How can I diagnose the issue related to OBDII code P1E42 in my Acura?

- Diagnosis typically involves using a diagnostic scanner to retrieve the trouble code, inspecting the brake system components, checking the wiring for any damage, and testing the relay for proper functionality.

4. Can I continue driving my Acura with the P1E42 code indicating the Electric Servo Brake System Fail-Safe Relay Stuck Off?

- It is not recommended to drive the vehicle with this code present, as it could compromise the effectiveness of the brake system and pose a safety risk. It is advisable to have the issue addressed promptly.

5. What repairs may be needed to fix the Electric Servo Brake System Fail-Safe Relay issue in an Acura?

- Repairs could involve replacing the faulty relay, repairing any damaged wiring, addressing issues with the brake actuator, or recalibrating the electric servo brake system as needed.

6. Is it possible to reset the OBDII code P1E42 in an Acura without addressing the underlying issue?

- While you can clear the code temporarily, it is important to resolve the root cause of the problem to prevent the code from reappearing and ensure the safety and proper functioning of the brake system.

7. How much does it typically cost to repair the Electric Servo Brake System Fail-Safe Relay issue in an Acura?

- The cost of repairs can vary depending on the extent of the problem, the parts needed, and the labor rates of the repair shop. It is advisable to obtain quotes from different service providers.

8. Can a DIY enthusiast with automotive knowledge fix the P1E42 code related to the Electric Servo Brake System issue in an Acura?

- While some experienced DIYers may be able to address simple wiring or relay issues, it is recommended to have a professional technician diagnose and repair complex brake system problems to ensure safety and proper functioning.

9. Are there any preventive maintenance tips to avoid encountering the Electric Servo Brake System Fail-Safe Relay Stuck Off issue in an Acura?

- Regularly inspecting the brake system, addressing any warning lights promptly, and following the manufacturer's recommended maintenance schedule can help prevent such issues from occurring.

10. How long does it typically take to repair the Electric Servo Brake System Fail-Safe Relay issue in an Acura?

- The repair time can vary based on the specific problem, availability of parts, and the workload of the repair shop. It is recommended to inquire about the estimated repair time when scheduling the service.

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