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Home / DTC / B1483 — F ABG(2)DR squib short to BATT.

B1483 — F ABG(2)DR squib short to BATT.

Detailed page for trouble code B1483.

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Code

B1483

MITSUBISHI B — Body

F ABG(2)DR squib short to BATT.

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

Causes

  • Damaged or chafed wiring with insulation rubbed through to a +12V feed
  • Corroded or pushed-back connector terminal contacting battery feed
  • Faulty clockspring (steering angle/airbag spiral cable) shorting squib circuit to ignition/battery circuit
  • Shorted airbag squib assembly (internal short to B+)
  • Incorrectly installed aftermarket electronics (alarm, radio wiring) tapping constant 12V into airbag harness
  • Faulty SRS control module or pin short inside connector

Symptoms

  • SRS/AIRBAG warning lamp illuminated or flashing on instrument cluster
  • Airbag system disabled (airbags and pretensioners may be inhibited)
  • Possible additional related SRS DTCs logged (open/short/clock spring faults)
  • No airbag deployment capability until fault cleared and repaired

What to check

  • Record all stored SRS codes and freeze frame data with scan tool
  • Visually inspect wiring and connectors at driver airbag, steering column, and under-dash for damage, corrosion, or spliced aftermarket taps
  • Confirm no aftermarket accessories are connected near airbag harnesses
  • Follow manufacturer procedure to disable SRS (battery disconnect and required wait time) before disconnecting connectors
  • With SRS disabled and battery disconnected per service manual, measure resistance of squib circuit at the airbag connector and at the SRS module connector
  • Check for continuity between squib circuit and vehicle battery positive with harness disconnected — should be open (no direct continuity)

Signal parameters

  • Expected squib resistance (typical): low resistance, generally around 0.5–5 ohms (varies by vehicle). Refer to service manual for exact spec.
  • Expected open circuit to battery: with harness disconnected there should be no continuity between squib circuit and battery +12V.
  • Voltage at squib connector with ignition ON: should NOT measure steady battery voltage on the squib pin (only specific SRS module test voltages may be present per manufacturer).

Diagnostic algorithm

  1. Read and record DTCs with an SRS-capable scan tool. Note any related codes.
  2. Follow vehicle SRS safety procedure: switch ignition off, disconnect negative battery terminal, wait the manufacturer-specified time for capacitors to discharge before working on system.
  3. Visually inspect driver airbag connector, steering-column wiring, and harness routing for damage, pin pushed out, corrosion, or aftermarket splices.
  4. Reconnect battery only if required by the service manual testing procedure; otherwise keep system disabled for resistance checks.
  5. With connectors disconnected, measure squib resistance at the airbag connector and compare to spec. If resistance is very low but there is continuity to battery positive, suspect short to B+ in harness or component.
  6. Isolate the short by disconnecting sections of the harness (airbag connector, intermediate connectors, SRS control unit connector) and rechecking for continuity to battery at each section until the shorted segment is found.
  7. Inspect/replace the clockspring if short is isolated to steering column area.
  8. If short is in the airbag module connector or inside the airbag, replace the affected airbag module.
  9. If harness repair required, repair damaged wires with correct gauge, insulation, routing, and connectors to factory standard. Avoid splices near steering column when possible.
  10. After repair, clear codes with scan tool, perform built-in SRS checks, and verify the SRS lamp extinguishes and no new faults return.
  11. If fault persists after wiring and component replacement, test/replace SRS control module per manufacturer procedure.

Likely causes

  • Wiring damage in steering column (clock spring area) causing squib to contact a +12V conductor
  • Connector pin misalignment/corrosion at driver airbag or harness junction creating a path to battery
  • Failed driver airbag squib with internal short to battery
  • Aftermarket accessory incorrectly wired to constant battery circuit near airbag harness

Fault status

⚠️ Status
Squib circuit detected a short to battery voltage on the driver front squib line. The airbag system has flagged a fault and will illuminate the SRS warning lamp; airbags/pretensioners may be disabled until the cause is repaired and the system reset.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-2.5 hours

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406

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