P0694 Subaru Code - Cooling Fan 2 Control Circuit High
Quick Answer
The P0694 code for Subaru vehicles indicates a problem with the Cooling Fan 2 Control Circuit being too high. Common causes include Faulty cooling fan relay: A defective cooling fan relay can cause the cooling fan 2 control circuit voltage to be too high, Damaged wiring: Corroded or damaged wiring in the cooling fan circuit can lead to electrical issues, triggering this code, Malfunctioning PCM: A faulty powertrain control module may not properly regulate the voltage in the cooling fan 2 control circuit. 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
- P0694 Subaru indicates Cooling Fan 2 Control Circuit High.
- Common causes
- Common causes include Faulty cooling fan relay: A defective cooling fan relay can cause the cooling fan 2 control circuit voltage to be too high, Damaged wiring: Corroded or damaged wiring in the cooling fan circuit can lead to electrical issues, triggering this code, Malfunctioning PCM: A faulty powertrain control module may not properly regulate the voltage in the cooling fan 2 control circuit.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0694 Subaru Description
The P0694 code for Subaru vehicles indicates a problem with the Cooling Fan 2 Control Circuit being too high. This error code typically signifies that the powertrain control module (PCM) has detected a voltage signal from the cooling fan 2 control circuit that exceeds the predetermined threshold. The cooling fan plays a crucial role in maintaining the optimal operating temperature of the engine by dissipating heat generated during combustion. When the cooling fan 2 control circuit voltage is too high, it can lead to issues with the cooling system's performance, potentially causing the engine to overheat and suffer damage.
Common Causes of P0694 Subaru
- Faulty cooling fan relay: A defective cooling fan relay can cause the cooling fan 2 control circuit voltage to be too high.
- Damaged wiring: Corroded or damaged wiring in the cooling fan circuit can lead to electrical issues, triggering this code.
- Malfunctioning PCM: A faulty powertrain control module may not properly regulate the voltage in the cooling fan 2 control circuit.
- Cooling fan motor failure: A failed cooling fan motor can also result in high voltage readings in the control circuit.
- Cooling fan control module issues: Problems with the cooling fan control module can disrupt the proper functioning of the cooling fan.
Symptoms of P0694 Subaru
- Engine overheating: One of the most common symptoms associated with the P0694 code is engine overheating due to the cooling fan not operating at the correct speed.
- Reduced fuel efficiency: A malfunctioning cooling fan can cause the engine to run hotter than normal, leading to increased fuel consumption.
- Check Engine Light: The illumination of the Check Engine Light on the dashboard is a typical indicator of this code being triggered.
- Loud fan noise: In some cases, a malfunctioning cooling fan may produce unusual or loud noises during operation.
How to Fix P0694 Subaru
- Diagnose the cooling fan system: Begin by conducting a thorough inspection of the cooling fan system to identify the root cause of the high voltage in the control circuit.
- Test the cooling fan relay: Check the functionality of the cooling fan relay to determine if it is the source of the issue.
- Inspect wiring and connections: Examine the wiring and connections in the cooling fan circuit for any damage or corrosion that may be affecting the voltage readings.
- Check the PCM: Test the powertrain control module to ensure it is functioning correctly and regulating the voltage in the cooling fan 2 control circuit appropriately.
- Replace faulty components: Replace any defective cooling fan relay, damaged wiring, or malfunctioning PCM to resolve the high voltage issue in the cooling fan 2 control circuit.
Cost to Fix P0694 Subaru
The typical repair costs for addressing the P0694 code on a Subaru vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, repairing the cooling fan 2 control circuit high voltage problem may range from $150 to $500, including parts and labor costs. However, it's essential to note that diagnosis time and labor rates at auto repair shops can fluctuate based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. For a more accurate estimate, it's advisable to contact local auto repair shops for pricing information specific to your situation.
Need more information about the P0694 Subaru code?
Need more information on how to fix the P0694 Subaru code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0694 Subaru code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0694 Subaru Code
1. What are the common symptoms of OBDII code P0694 in a Subaru related to Cooling Fan 2 Control Circuit High?
The common symptoms include an overheating engine, the cooling fan 2 not functioning properly, and a potential increase in engine temperature.
2. What are the possible causes of OBDII code P0694 in a Subaru indicating a Cooling Fan 2 Control Circuit High issue?
Possible causes can include a faulty cooling fan 2 relay, a malfunctioning cooling fan 2 motor, wiring issues in the cooling fan circuit, or a problem with the engine coolant temperature sensor.
3. How can I diagnose the OBDII code P0694 in my Subaru related to Cooling Fan 2 Control Circuit High?
Diagnosis typically involves checking the cooling fan 2 relay and motor for proper functionality, inspecting the wiring for any damage or loose connections, and testing the engine coolant temperature sensor.
4. What is the recommended repair approach for resolving OBDII code P0694 in a Subaru indicating Cooling Fan 2 Control Circuit High?
The repair process may involve replacing the cooling fan 2 relay or motor if found to be faulty, repairing any damaged wiring in the cooling fan circuit, or replacing the engine coolant temperature sensor if necessary.
5. Can I continue driving my Subaru with OBDII code P0694 related to Cooling Fan 2 Control Circuit High?
It is not recommended to continue driving your Subaru with this code unresolved, as it can lead to engine overheating and potential damage. It is best to address the issue promptly to avoid further complications.
6. Are there any tips to prevent OBDII code P0694 in a Subaru indicating Cooling Fan 2 Control Circuit High from occurring?
Routine maintenance of the cooling system, including checking the cooling fan components and wiring, can help prevent issues that may trigger this code. Keeping an eye on engine temperature and addressing any cooling system problems promptly can also be beneficial.
7. How long does it typically take to repair OBDII code P0694 related to Cooling Fan 2 Control Circuit High in a Subaru?
The repair time can vary depending on the specific cause of the issue. Simple fixes like replacing a relay may take a short time, while more complex problems involving wiring or sensor replacement could take longer.
8. Can a DIY enthusiast address OBDII code P0694 in a Subaru indicating Cooling Fan 2 Control Circuit High?
DIY enthusiasts with automotive repair experience may be able to address this code, especially if the issue is related to a faulty relay or simple wiring problem. However, complex issues may require professional expertise.
9. Is resetting the OBDII system after repairing code P0694 in a Subaru necessary?
Resetting the OBDII system after repairing the issue is recommended to clear the error code and ensure that the repair was successful. This can be done using an OBDII scanner or by disconnecting the car battery for a short time.
10. Can extreme weather conditions contribute to triggering OBDII code P0694 in a Subaru related to Cooling Fan 2 Control Circuit High?
Extreme weather conditions, such as excessive heat, can potentially strain the cooling system components and lead to issues like a high circuit in the cooling fan 2 control. It is important to keep the cooling system well-maintained, especially in challenging weather conditions.
Discuss the causes and fixes for P0694 Subaru OBDII Code
Code P0694 Subaru comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.