Cooling Fan 3 Control Circuit High
The P0696 code means the vehicle's onboard diagnostic system has detected: Cooling Fan 3 Control Circuit High. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $50 - $500 (parts and labor)
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What Are the Symptoms of P0696?
- Check Engine Light on
- Fan 3 stays on continuously
- Reduced system performance
- Warning indicators on dashboard
What Causes P0696? (Most Likely First)
- Short to power in fan 3 control circuit Very High
- Wiring damage or corrosion in the circuit High
- Poor electrical connection at module or component Moderate
- ECM or control module internal failure Low
Can I Still Drive with P0696?
Short distances only. P0696 is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What is cooling fan 3?
Some vehicles have multiple cooling fans. Fan 3 is typically an additional auxiliary cooling fan. Each fan has its own control circuit.
Can P0696 cause overheating?
If fan 3 is not operating properly, cooling capacity is reduced. This may cause overheating during idle, low-speed driving, or when the AC is running, especially in hot weather.
Should I replace the fan motor or the relay?
Start with the relay as it is less expensive and easier to replace. If the relay tests good, check wiring for shorts. The fan motor is typically the last component to test.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P0696?
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Use a scan tool to read data related to Cooling Fan 3 Control
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Inspect all related wiring, connectors, and grounds for damage, corrosion, or loose connections
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Measure circuit voltage, resistance, and continuity to identify the fault type
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Check for technical service bulletins related to this code for your specific vehicle
Sources 2
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
Which Vehicles Commonly Get P0696?
- 2008-2018 Ford F-150
- 2010-2020 Toyota Camry
- 2009-2019 Honda Accord
- 2011-2020 Chevrolet Silverado
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