OBD-II Generic Error Code P0379: How to Fix It
Medium 1-2 hours Medium Severity
Verified June 2026
- Error Code
- P0379
- Brand
- OBD-II Generic
- Product Type
- automotive
- Severity
- Medium
- DIY Difficulty
- Medium
- Estimated Fix Time
- 1-2 hours
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Tools You'll Need
- Multimeter
- Basic hand tools (socket set, wrenches)
- Safety glasses
- Gloves
How to Fix Error Code P0379
-
Check the Engine Wiring and Connectors
Disconnect the battery before working on electrical components. -
Test the Sensor Voltage and Ground
-
Inspect the Sensor for Physical Damage
Wear safety glasses and gloves when handling engine components. -
Check the Timing Trigger Wheel (Reluctor Ring)
Rotating the engine manually may be needed; ensure the engine is off and cool. -
Replace the High-Resolution Timing Sensor
Ensure proper seating and torque to manufacturer specs.
Parts You May Need
High-resolution timing sensor (camshaft or crankshaft position sensor)
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High-resolution timing sensor (camshaft or crankshaft position sensor)
Check Price on Amazon
High-resolution timing sensor (camshaft or crankshaft position sensor)
Check Price on Amazon
High-resolution timing sensor (camshaft or crankshaft position sensor)
Check Price on Amazon
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When to Call a Professional
If the code returns after replacing the sensor and checking wiring, or if the reluctor ring is damaged, consult a professional mechanic. ECM failure or internal engine timing issues require advanced diagnosis.Frequently Asked Questions
Can I drive with error code P0379?
It is not recommended. The engine may run poorly, stall, or leave you stranded. Fix the issue promptly.
Will a bad battery cause P0379?
Unlikely. However, low voltage can cause erratic sensor readings. Ensure the battery is fully charged and connections are clean.
How much does it cost to fix P0379?
DIY sensor replacement costs $30-$100 for the part. Professional repair ranges from $150-$400 depending on labor and diagnosis.