AutoCodes – Mazda – P0625 Mazda

P0625 Mazda Code - Generator Field Terminal Circuit Low

Quick Answer

The Powertrain Control Module (PCM) monitors generator load from the generator/regulator in the form of frequency. Common causes include Faulty battery, Generator drive belt missing or loose, Faulty Generator. 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: P0625 Mazda indicates Generator Field Terminal Circuit Low.
Common causes: Common causes include Faulty battery, Generator drive belt missing or loose, Faulty Generator.
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 7,358

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 01, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0625 Mazda Description

The Powertrain Control Module (PCM) monitors generator load from the generator/regulator in the form of frequency. The concern indicates the input is lower than the load should be in normal operation. The load input could be low when no generator output exists.

OBDII Code P0625 Mazda - Generator Field Terminal Circuit Low - AutoCodes.com — P0625 Mazda Code - Generator Field Terminal Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0625 Mazda?

Faulty battery
Generator drive belt missing or loose
Faulty Generator
Generator harness is open or shorted
Generator circuit poor electrical connection

How to Fix the DTC P0625 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 does this mean?

Code Tech Notes

If the battery is OK then the alternator is more than likely the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0625 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 P0625 Mazda code?

Need more information on how to fix the P0625 Mazda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0625 Mazda code diagnosed by a professional: Find a repair shop in your area

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 P0625 Mazda Code

1. What are the common symptoms of OBDII code P0625 in a Mazda?

- Common symptoms include issues with charging system operation, illuminated battery warning light, and potential battery drain.

2. What can cause the OBDII code P0625 in a Mazda?

- The code P0625 is typically caused by a faulty generator field terminal control circuit or a problem with the generator or alternator.

3. How can I diagnose the OBDII code P0625 in my Mazda?

- Diagnosis involves checking the wiring and connections related to the generator field terminal, testing the generator or alternator, and inspecting for any visible signs of damage.

4. Can I continue driving my Mazda with the OBDII code P0625?

- It is not recommended to drive your Mazda with the code P0625 as it can lead to charging system failure and potential stalling or loss of power while driving.

5. What are the repair options for OBDII code P0625 in a Mazda?

- Repair options include repairing or replacing the generator field terminal circuit, repairing or replacing the generator or alternator, and ensuring all connections are secure.

6. How much does it typically cost to fix the OBDII code P0625 in a Mazda?

- The cost of fixing the code P0625 can vary depending on the extent of the issue and the specific repairs needed, but it may range from $200 to $500 or more.

7. Will resetting the OBDII code P0625 in my Mazda make it go away permanently?

- Resetting the code without addressing the underlying issue will not make it go away permanently. It is important to diagnose and repair the root cause of the problem.

8. Can a DIY enthusiast fix the OBDII code P0625 in a Mazda?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair the code P0625, but it is recommended to seek professional help for a proper fix.

9. Is the OBDII code P0625 specific to Mazda vehicles only?

- While the code P0625 is related to the generator field terminal circuit low, it can occur in vehicles from other manufacturers as well, not just limited to Mazdas.

10. How often does the OBDII code P0625 occur in Mazda vehicles?

- The code P0625 is relatively uncommon in Mazda vehicles, but it can still occur due to various factors affecting the charging system.