Guide To P0696 OBD Error Code Solutions

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It is the engine control module which would carefully monitor the cooling fan 3 control circuit. The error code P0696 would be set by the ECM when the Cooling Fan 3 Control Circuit is not as per the specifications set by the manufacturer.

The error code P0696 can be defined as Cooling Fan 3 Control Circuit High.

Want to learn something more about this fault code? This trouble code is generic, which would mean that it can apply to all the vehicles which are equipped with the OBD-II or the vehicles which are made since 1996 up to the present. The specifications on the definition, the troubleshooting steps as well as repairs can always vary from one vehicle make to another.

This can happen because of a lot of reasons and the mechanic should diagnose the specific cause for this code.

What causes this problem with the Cooling Fan 3 Control Circuit High?

• Defaults in the fan 3 relay
• There can be opened or shorted fan 3 harness
• Bad electrical connection in the fan 3 circuit
• Some flaws in the engine control module
• Fan 3 relay harness might be open or shorted
• There can be bad electrical connection in the fan 3 relay circuit
• Quirks in the fan 3

1. Powertrain Control Module - The P0696 code can also arise due to some issues in Powertrain Control Module. So, it is advised to replace them as soon as possible.
2. Electronic Control Unit - Do you remember when was the last time you got your car Electronic Control Unit checked up? A damaged Electronic Control Unit can cause a lot of issues like displaying P0696 code.
3. Engine Control Module - Engine Control Module is an important car part which should never be neglected. May be there is some fault in it due to which P0696 code may start flashing.
4. Radiator Fan Assembly - Is your Radiator Fan Assembly damaged or broken? Don’t worry as we have solutions for all your problems.
5. Electric Cooling Fan - Defective car Electric Cooling Fan can be a major reason why P0696 code depicts. So, make sure to replace it online so that you don’t have to face any further issues.
6. Automatic Transmission Sensor - Everything is okay with the Electric Cooling Fan and still OBD code P0696 triggering? Then there must be some defects in Automatic Transmission Sensor. Replace them as soon as possible.
7. Auto Transmission Shift Solenoid - P0696 code flashing? Get your Auto Transmission Shift Solenoid inspected from a mechanic.

Willing to know some common symptoms of OBD Trouble Code P0696? Your wish is our demand. Have a look at them below:

Common Symptoms

• Excessive heating of the car engine
• Illumination of the check engine light

If you wish to correct this fault code, then you have to follow certain steps. Correcting a problem needs your careful attention. Here are some ways with the help of which you will be able to correct the OBD Code P0696:

• If you find out that there are some faults in the fan 3 relay, then it should be replaced
• Repair or replace the fan 3 relay harness
• You can always correct the poor electrical connection in the fan 3 relay circuit
• Replace the defective engine control module 

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If you want to easily diagnose this fault code, then all you have to do is to follow the steps which are mentioned below:

• The most common reason due to which the P0696 trouble code is appearing again and again is due to defective cooling fan relay
• Carefully locate the relay to check it and you can always visually inspect for other relays that are identical to it
• After that you should switch the two relays
• The codes should be cleared up and then run the vehicle
• Now if the code does not return, then you should carefully replace the relay
• If it has returned, then there might be some default in the powertrain control module

Common Mistakes When Diagnosing The P0696 Code

• The engine cooling fan control module might start failing
• There can be some defects in the engine cooling fan
• Some issues related to the wiring
• Quirks in the engine cooling fan relay
• Failure in the powertrain control module

P0695 - Fan 3 Control Circuit Low