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Home / DTC / B1482 — F ABG(2)DR squib grounding

B1482 — F ABG(2)DR squib grounding

Detailed page for trouble code B1482.

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Code

B1482

MITSUBISHI B — Body

F ABG(2)DR squib grounding

Brand: MITSUBISHI
Type: B — Body
AI status
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ready
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Page language: EN

Causes

  • Short to ground in the driver airbag squib wiring
  • Faulty or corroded connector at the driver airbag (steering wheel)
  • Damaged wiring harness (pinched, chafed, or broken insulation)
  • Faulty clock spring/spiral cable causing a short
  • Defective driver airbag (squib) or seat belt pretensioner
  • Poor repair after steering/airbag work or aftermarket accessories

Symptoms

  • SRS/Airbag warning lamp illuminated on instrument cluster
  • Possible disabling of driver airbag deployment until repaired
  • Multiple related SRS codes may be present
  • Steering wheel controls or horn issues if wiring affected

What to check

  • Read all stored SRS codes and freeze-frame data with a compatible scan tool
  • Visual inspection of steering column, clock spring, and airbag connectors for damage, corrosion, or loose pins
  • Wiggle-test wiring while watching live data or resistance to see intermittent faults
  • Measure squib circuit resistance and check for continuity to chassis ground
  • Inspect for recent repairs or aftermarket installations that may have disturbed wiring

Signal parameters

  • Driver airbag squib circuit resistance: typically low (manufacturer spec required) — squib resistance is usually a few ohms
  • Open-circuit: very high/OL resistance
  • Short-to-ground: continuity from squib circuit to chassis ground
  • SRS module receives/monitor voltage and monitors continuity; abnormal values trigger the code

Diagnostic algorithm

  1. Safety first: disable the battery negative terminal and wait the manufacturer-recommended time for SRS capacitors to discharge (commonly several minutes). Follow vehicle-specific service manual.
  2. Use an SRS-capable scan tool to confirm B1482 and note any additional SRS codes.
  3. Perform a careful visual inspection of the steering wheel airbag connector, clock spring/spiral cable, and related harness for damage, corrosion or loose terminals.
  4. Disconnect the driver airbag connector (after battery disconnected) and inspect pins; check for continuity to ground from the squib side of the connector.
  5. With proper safety precautions and manufacturer procedure, measure squib resistance at the SRS module connector and compare to spec. Look for unusually low resistance indicating short to ground.
  6. Check continuity between the squib circuit and chassis ground to confirm short. Isolate sections of harness to locate the short (steering wheel, column grommet, under-dash harness).
  7. If clock spring is suspected (common failure point), verify by substitution or bench testing per service manual and replace if defective.
  8. Repair any damaged wiring, pins, or connectors. Replace defective driver airbag or pretensioner only following safety procedures and manufacturer parts.
  9. Clear codes with scan tool, reconnect battery, and perform a self-check of the SRS system. Verify that the code does not return and that the SRS lamp extinguishes after start-up and self-test.

Likely causes

  • Damaged clock spring causing short to ground on the driver squib
  • Damaged harness or connector at the steering column/airbag
  • Corroded or pushed-out connector pin creating grounding path
  • Aftermarket accessory or previous repair left wires exposed

Fault status

⚠️ Status
SRS control unit detected grounding (short-to-ground) in the driver airbag (squib) circuit. SRS warning lamp illuminated; driver squib circuit requires inspection and repair.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

B1480 B1481 B1483 B1490 B1500
406

Browse 406 MITSUBISHI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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