B1932 OBD-II Trouble Code: Air Bag Driver Circuit Open

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Cost of diagnosing the B1932 code

B1932 is a diagnostic trouble code (DTC) for "Air Bag Driver Circuit Open". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light is on diagnostic inspection. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

B1932 code definition

A B1932 trouble code indicates that the driver side's airbag circuit has been detected as being incomplete, or "open".

What the B1932 code means

In the case of a B1932 code, the airbag electronic controller unit (ECU) has verified that the driver side's airbag circuit is broken. If the circuit is detected as being possibly open, the ECU will run a test to confirm this. A malfunctioning airbag circuit will limit or disable use of the airbag deployment system.

What causes the B1932 code?

Faulty, broken, disconnected and/or corroded wiring is the most common cause for a B1932 trouble code. Components in the airbag deployment system may be faulty as well. If the circuit is fine and the components check out, the B1932 report may be the rest of a faulty CU. However, this is a rare occurrence and should only be considered once the issue has been absolutely confirmed as untrue.

What are the symptoms of the B1932 code?

In the event of a B1932 trouble code, the driver's side airbag will not deploy during a crash. In addition, an illuminated engine lamp and stored B1932 trouble code will be present. These symptoms are purely diagnostic in nature, and will make it easier to pinpoint the cause of the problem.

How does a mechanic diagnose the B1932 code?

The B1932 should be first verified by scanning the vehicle with an OBD-II code reader. All wiring throughout the driver's airbag circuit should be inspected, checking for signs of problems. This may include indications of damage, disconnection, corrosion or faulty wiring. A voltmeter or Autohex can be helpful in pinpointing the issue more easily. Any components related to the code should be checked out as well for potential signs of faultiness.

Common mistakes when diagnosing the B1932 code

Body-related trouble codes may stand for a number of different issues depending on the type of vehicle. Repairs for one B1932 code interpretation may be confused with another.

How serious is the B1932 code?

Although the vehicle can be driven normally with a B1932 code, the lack of a working airbag should be considered a safety hazard. If you choose to operate the vehicle without a functioning airbag, take extra care to ensure other safety features (such as the seltbelt) are properly adjusted. It is not recommended to operate a vehicle without all of the safety features functioning properly.

What repairs can fix the B1932 code?

Any compromised wiring should be repaired or replaced according to the circumstance and severity of the issue. Repair or replace any faulty or damaged components as is necessary. Following any repairs made to address the B1932 code, give the car a test drive. This will allow the code a chance to recur should the issue remain unresolved. If the code is restored, it is an indication that the repairs are incomplete.

Additional comments for consideration regarding the B1932 code

Refer to your vehicle's user manual for directions on how to access the airbag circuit.

Need help with a B1932 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

trouble codes
OBD-II
B1932

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Nazareth

26 years of experience
168 reviews
Nazareth
26 years of experience
Mercedes-Benz CLA250 - Check Engine Light is on - Los Angeles, California
Polite and very professional! Nazareth quickly identified my car was suffering from low voltage issues and the battery was the problem. The reader was showing 8 volts hence why my car didn’t receive enough power to start, it needed 12v. My battery was 4 years old and never been changed. Thank you Nazareth!

Cornelius

17 years of experience
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Cornelius
17 years of experience
Chevrolet Cobalt - Check Engine Light is on - Peachtree City, Georgia
He was very helpful with explaining what could lead to my check engine light being on. And helping clear my engine light.

Marco

28 years of experience
78 reviews
Marco
28 years of experience
Nissan Maxima - Check Engine Light is on - Highland, California
Marco did a great job of finding the source of the problem and his recommendations were greatly appreciated.

Juan

8 years of experience
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Juan
8 years of experience
Chevrolet Tahoe - Check Engine Light is on - Altamonte Springs, Florida
Juan was on time for both appointments. He was knowledgeable and polite and I will most definitely be requesting him for my next steps based on the quote he provided me for other issues I need to address. Excellent customer service and top notch repair work!


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