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.
DTC Descriptors
- DTC B0021 01
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Right Front Side Deployment Loop Short to Battery
- DTC B0021 02
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Right Front Side Deployment Loop Short to Ground
- DTC B0021 04
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Right Front Side Deployment Loop Open Circuit
- DTC B0021 0D
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Right Front Side Deployment Loop Resistance Above Threshold
- DTC B0021 0E
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Right Front Side Deployment Loop Resistance Below Threshold
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.