AutoCodes – Mercury – P0693 Mercury

P0693 Mercury Code - Cooling Fan 2 Control Circuit Low

Quick Answer

The Engine Control Module (ECM) monitors the Cooling Fan 2 Control Circuit. Common causes include Faulty Fan 2 Relay, Fan 2 Relay harness is open or shorted, Fan 2 Relay 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
P0693 Mercury indicates Cooling Fan 2 Control Circuit Low.
Common causes
Common causes include Faulty Fan 2 Relay, Fan 2 Relay harness is open or shorted, Fan 2 Relay 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 1,285
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 06, 2019
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Code P0693 Mercury Description

The Engine Control Module (ECM) monitors the Cooling Fan 2 Control Circuit. The ECM sets the OBDII code when the Cooling Fan 2 Control Circuit is not to the factory specifications.
OBDII Code P0693 Mercury - Cooling Fan 2 Control Circuit Low - AutoCodes.com
P0693 Mercury Code - Cooling Fan 2 Control Circuit Low

What are the Possible Causes of the DTC P0693 Mercury?

  • Faulty Fan 2 Relay
  • Fan 2 Relay harness is open or shorted
  • Fan 2 Relay circuit poor electrical connection
  • Faulty Fan 2
  • Fan 2 harness is open or shorted
  • Fan 2 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0693 Mercury?

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 P0693 Mercury 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 P0693 Mercury 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 P0693 Mercury Code

1. What are the common symptoms of OBDII code P0693 in a Mercury related to the Cooling Fan 2 Control Circuit Low?

- Common symptoms may include the cooling fan not operating at the correct speed, engine overheating, or the Check Engine light illuminating on the dashboard.

2. What can cause the OBDII code P0693 in a Mercury indicating an issue with the Cooling Fan 2 Control Circuit Low?

- Potential causes include faulty cooling fan control module, damaged wiring or connectors in the cooling fan circuit, or a malfunctioning cooling fan motor.

3. How serious is the OBDII code P0693 in a Mercury related to the Cooling Fan 2 Control Circuit Low?

- Ignoring this code can lead to engine overheating, which may cause serious damage to the engine components over time. It is important to address this issue promptly.

4. Can I continue driving my Mercury with the OBDII code P0693 indicating a problem with the Cooling Fan 2 Control Circuit Low?

- It is not recommended to drive the vehicle with this code present, as it can lead to engine overheating and potential damage. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose and repair the OBDII code P0693 in my Mercury related to the Cooling Fan 2 Control Circuit Low?

- Diagnosis typically involves checking the cooling fan control module, inspecting the wiring and connectors for any damage, and testing the cooling fan motor. Repairs may involve replacing faulty components or repairing damaged wiring.

6. Are there any DIY tips for addressing the OBDII code P0693 in a Mercury indicating a problem with the Cooling Fan 2 Control Circuit Low?

- DIYers can start by checking the cooling fan fuse, relay, and connections for any obvious issues. If no visible problems are found, it is recommended to seek professional help for a thorough diagnosis and repair.

7. How much does it cost to fix the OBDII code P0693 in a Mercury related to the Cooling Fan 2 Control Circuit Low?

- The cost of repair can vary depending on the exact cause of the issue, parts needed for replacement, and labor costs. It is advisable to obtain quotes from reputable mechanics or service centers.

8. Can a faulty thermostat be a potential cause of the OBDII code P0693 in a Mercury associated with the Cooling Fan 2 Control Circuit Low?

- While a faulty thermostat can contribute to engine overheating, it is not a common cause of the Cooling Fan 2 Control Circuit Low code. Focus on diagnosing the cooling fan system first.

9. Will resetting the OBDII code P0693 in a Mercury make the issue with the Cooling Fan 2 Control Circuit Low disappear?

- Resetting the code may temporarily turn off the Check Engine light, but it will not fix the underlying issue causing the code. The problem should be diagnosed and resolved to prevent further issues.

10. How often should I check the cooling fan system in my Mercury to prevent the OBDII code P0693 related to the Cooling Fan 2 Control Circuit Low from appearing?

- It is recommended to include a visual inspection of the cooling fan system as part of your regular vehicle maintenance routine, especially before the warmer months or long drives to prevent issues.

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