Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Conditions for Setting the DTC
B009F 00
The serial data gateway module is not programmed to use high voltage circuit impact detector sensor 1.
B009F 11
The high voltage circuit impact detector sensor signal circuit is shorted to voltage for 2.5 seconds.
B009F 12
The high voltage circuit impact detector sensor signal circuit is shorted to ground for 2.5 seconds.
B009F 39
The serial data gateway module has not received a valid state of health message from the high voltage circuit impact detector sensor for 2.5 seconds.
B009F 3A
The wrong high voltage circuit impact detector sensor has been installed.
B009F 4A
The serial data gateway module calibration does not match the vehicle configuration.
B009F 73
The serial data gateway module has received invalid serial data from the high voltage circuit impact detector sensor.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.