What Does B1932 Mean?
This code indicates the airbag control module has detected an open circuit in the driver's airbag deployment circuit. The airbag control module continuously monitors resistance and continuity in the airbag squib (inflator) circuit, and has detected a break in electrical continuity that prevents proper airbag deployment. This compromises the supplemental restraint system's ability to protect the driver in a collision.
Safety Warning
Unsafe to drive as the driver airbag will not deploy in a collision, eliminating critical occupant protection. This code requires immediate professional repair as it directly affects crash safety.
Common Causes
45%
Damaged or disconnected clockspring (spiral cable) in steering column
30%
Faulty driver airbag module or corroded airbag connector
15%
Broken or damaged wiring harness between airbag module and driver airbag
10%
Faulty airbag control module or module connector corrosion
Diagnostic Steps
1
Step 1: Disconnect battery negative terminal and wait 10 minutes for airbag system capacitor discharge. Perform visual inspection of driver airbag connector behind steering wheel for damage, corrosion, or loose connection
2
Step 2: Use a digital multimeter to measure resistance across the driver airbag squib terminals (typically 2-3 ohms). Compare reading to manufacturer specifications. Infinite resistance confirms open circuit
3
Step 3: Inspect clockspring connector under steering column cover for damage or disconnection. Check clockspring continuity by measuring resistance through the spiral cable while rotating steering wheel lock-to-lock
4
Step 4: Trace airbag circuit wiring from clockspring to airbag control module checking for breaks, chafing, or pinched wires. Pay special attention to areas where harness flexes or passes through grommets
5
Step 5: If all wiring and connections test good, suspect faulty driver airbag module. Replace airbag following proper handling procedures and reconnect battery
6
Step 6: Clear codes, perform airbag system self-test, and verify proper operation. Confirm airbag warning light extinguishes and code does not return
Estimated Repair Cost
$200 - $1,200
Parts + labor, varies by vehicle and location
This code indicates the airbag control module has detected an open circuit in the driver's airbag deployment circuit. The airbag control module continuously monitors resistance and continuity in the airbag squib (inflator) circuit, and has detected a break in electrical continuity that prevents prop...
The most common cause of B1932 (Air Bag Driver Circuit Open) is: Damaged or disconnected clockspring (spiral cable) in steering column
Typical repair costs for B1932 range from $200 to $1,200, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Unsafe to drive as the driver airbag will not deploy in a collision, eliminating critical occupant protection. This code requires immediate professional repair as it directly affects crash safety.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to B1932 to identify the root cause.
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Quick Info
Category
Body
System
Supplemental Restraint System (SRS/Airbag)
Difficulty
Type
Manufacturer
Recommended Tools
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