AutoCodes – Mazda – P0595 Mazda

P0595 Mazda Code - Speed Control Servo Control Circuit Low

Quick Answer

The Engine Control Module (ECM) monitors the Cruise Control Servo. Common causes include Faulty Servo Motor, Servo Motor harness is open or shorted, Servo Motor circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P0595 Mazda indicates Speed Control Servo Control Circuit Low.
Common causes: Common causes include Faulty Servo Motor, Servo Motor harness is open or shorted, Servo Motor circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 3,179

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0595 Mazda Description

The Engine Control Module (ECM) monitors the Cruise Control Servo. The ECM sets the OBDII code when the Cruise Control Servo is not to factory specifications.

OBDII Code P0595 Mazda - Speed Control Servo Control Circuit Low - AutoCodes.com — P0595 Mazda Code - Speed Control Servo Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0595 Mazda?

Faulty Servo Motor
Servo Motor harness is open or shorted
Servo Motor circuit poor electrical connection

How to Fix the DTC P0595 Mazda?

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 P0595 Mazda 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 P0595 Mazda 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 P0595 Mazda Code

1. What are the common symptoms of OBDII code P0595 in a Mazda?

- The common symptoms include issues with the speed control system, such as the cruise control not working properly or the vehicle not maintaining a consistent speed.

2. What does the OBDII code P0595 in a Mazda indicate?

- This code indicates a problem with the speed control servo control circuit being detected as low by the vehicle's onboard diagnostic system.

3. What are the possible causes of OBDII code P0595 in a Mazda?

- Possible causes include a faulty speed control servo, damaged wiring or connectors in the servo control circuit, or a malfunctioning PCM (powertrain control module).

4. How can I diagnose the OBDII code P0595 in my Mazda?

- Diagnosing this code involves using a scan tool to retrieve the code, inspecting the speed control servo and its wiring for any visible damage, and testing the circuit for continuity and proper voltage.

5. Can I still drive my Mazda with OBDII code P0595 present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent any potential safety hazards or further damage to the speed control system.

6. How can I repair OBDII code P0595 in my Mazda?

- Repairing this code typically involves replacing the faulty speed control servo, repairing any damaged wiring or connectors, or reprogramming the PCM if necessary.

7. Is it possible to reset OBDII code P0595 in a Mazda without fixing the underlying issue?

- While you can clear the code temporarily with a scan tool, it is important to address the root cause of the problem to prevent the code from reoccurring.

8. Can extreme weather conditions trigger OBDII code P0595 in a Mazda?

- Yes, extreme temperature fluctuations or moisture can potentially affect the speed control servo circuit and trigger this code in some cases.

9. How long does it typically take to repair OBDII code P0595 in a Mazda?

- The repair time can vary depending on the exact cause of the issue, but it usually takes a few hours to diagnose and fix the problem.

10. Will OBDII code P0595 cause my Mazda to fail an emissions test?

- While this code itself may not directly cause the vehicle to fail an emissions test, it is still important to address and resolve the issue to ensure proper functioning of the speed control system.