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SRS fault code

B0083: Load Limiter or Impact Sensor Fault

B0083 is another code that reads differently across makes. It has been documented as a second row seat belt load limiter, a left front impact sensor, and a driver seat position sensor, so the make and year decide the repair.

Varies by make

What B0083 means

The published definitions for B0083 do not all line up. On many vehicles it reads as the second row left seat belt load limiter deployment control. On most General Motors vehicles it has instead been documented as a left front impact sensor fault or a driver seat position sensor. A seat position sensor and an impact sensor and a belt load limiter are three different parts with three different fixes.

Because the meaning is not consistent, do not lock in a repair from the code number alone. Confirm what B0083 means for your exact make and year first.

[VERIFY] B0083 has multiple documented meanings (second row left seat belt load limiter, left front impact sensor, driver seat position sensor) depending on the manufacturer. Confirm the exact definition against the factory service manual for your specific year and model before deciding on a repair.

Common causes

Crash data or hardware fault?

It depends on which version of B0083 your vehicle uses. A seat position sensor or impact sensor fault is hardware and the part needs attention. A belt load limiter that actually deployed in a collision is stored crash data a reset clears. The honest first step is confirming the definition for your make and year, then reading the code against the crash history.

Does our reset clear it?

Only when B0083 is stored crash data from a deployment. In that case our airbag module reset clears the deployment record and returns the module to factory-ready condition. If B0083 turns out to be a seat position sensor or impact sensor fault, the wiring or sensor is the repair, and we will tell you that straight.

Which makes throw it

The impact sensor and seat position sensor versions are common on GM, including Chevrolet and Cadillac. The load limiter version appears across makes in the generic body code range. Your exact make and year tell you which B0083 you have.

What to do next

Confirm what B0083 means for your specific vehicle, then inspect the wiring under the seat, which is the most common trigger. If a belt load limiter deployed and the module is locked with crash data, make sure the car is mechanically safe and the parts have been replaced, then mail us the module. A reset clears stored data; the physical repairs are a separate step that comes first. Related codes worth checking: B0081 (center belt load limiter), B0078 (right front impact sensor), and B0071 (center pretensioner or sensor).

Crash data behind your B0083?

We clear the crash data and ship it back

Mail us your original module. We restore it to factory-ready condition for a fraction of dealer cost, the same way we have since 1997.

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