P0696
Fan 3 Control Circuit High
P0696 is an OBD-II diagnostic trouble code meaning: Fan 3 Control Circuit High. Common causes: short circuit of the control wire to power (+12 v), open circuit in control circuit ground. Estimated repair cost: $11–222.
Symptoms
- Check Engine Light
- The third fan runs constantly
- Increased energy consumption
- Noise of the third fan when the engine is cold
- Accelerated wear of the third fan motor
Causes
- Short circuit of the control wire to power (+12 V)
- Open circuit in control circuit ground
- Third fan relay fault
- Damage to wiring or connectors
- Internal ECU fault
How to Fix
- Read OBD-II codes
- Check the operation of the third fan when the engine is cold
- Measure the voltage in the third fan control circuit
- Check the relay and its connector
- Check the control wire for short to power
- If the circuit is working properly - ECU diagnostics
Related codes
Error P0696 by Vehicle Brand
FAQ
What does the P0696 code mean?
P0696 is an OBD-II diagnostic trouble code that indicates: Fan 3 Control Circuit High
What causes a P0696 error code?
The most common causes of P0696 include: Short circuit of the control wire to power (+12 V); Open circuit in control circuit ground; Third fan relay fault; Damage to wiring or connectors.
How do I fix a P0696 diagnostic trouble code?
To fix P0696: Read OBD-II codes. Check the operation of the third fan when the engine is cold. Measure the voltage in the third fan control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0696?
Limited driving only, diagnose soon
How much does it cost to fix P0696?
The estimated repair cost for P0696 is $11–222. Actual cost depends on your vehicle, location, and labor rates.
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