B3009
Hood Ajar Circuit High
B3009 is an OBD-II diagnostic trouble code meaning: Hood Ajar Circuit High. Common causes: broken hood sensor wires, sensor circuit short circuit. Estimated repair cost: $22–89.
Symptoms
- Malfunction indicator on the dashboard
- Incorrect alarm operation (false alarms)
- Warning about an open hood on the display
Causes
- Broken hood sensor wires
- Sensor circuit short circuit
- Faulty hood opening sensor
- Problems with the wiring harness in the hood area
How to Fix
- Check the integrity of the wiring to the sensor
- Make sure the sensor is working properly (with an ohmmeter)
- If necessary, replace the sensor or repair the circuit
- Clean sensor contacts and connectors
- Reset the error code and check for its reappearance
Related codes
Error B3009 by Vehicle Brand
FAQ
What does the B3009 code mean?
B3009 is an OBD-II diagnostic trouble code that indicates: Hood Ajar Circuit High
What causes a B3009 error code?
The most common causes of B3009 include: Broken hood sensor wires; Sensor circuit short circuit; Faulty hood opening sensor; Problems with the wiring harness in the hood area.
How do I fix a B3009 diagnostic trouble code?
To fix B3009: Check the integrity of the wiring to the sensor. Make sure the sensor is working properly (with an ohmmeter). If necessary, replace the sensor or repair the circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3009?
Limited driving only, diagnose soon
How much does it cost to fix B3009?
The estimated repair cost for B3009 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat