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Home / DTC / B1414 — F ABG(1)PS.active circuit short

B1414 — F ABG(1)PS.active circuit short

Detailed page for trouble code B1414.

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Code

B1414

MITSUBISHI B — Body

F ABG(1)PS.active circuit short

Brand: MITSUBISHI
Type: B — Body
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Page language: EN

Causes

  • Damaged, chafed or pinched wiring in the F ABG(1) PS circuit
  • Corroded, loose or contaminated connector or terminal
  • Short to battery positive (B+) or to ground on the circuit
  • Faulty sensor or actuator on the F ABG(1) PS circuit
  • Internal short or failure in the control module (ECU/SRS/ABS unit)
  • Blown or shorted fuse or relay feeding the circuit

Symptoms

  • Related warning lamp(s) illuminated (airbag/SRS/related system)
  • Stored or repeat DTC B1414 in diagnostic scanner
  • Possible loss or disablement of the related safety/function
  • Intermittent or constant fault depending on wiring condition

What to check

  • Read all stored codes and freeze-frame data with a scanner; note related codes
  • Visually inspect wiring harness and connectors for damage, corrosion, or pinch points
  • Check and verify fuses and relays for the affected circuit
  • Perform wiggle test on harness/connectors while monitoring the scanner for code changes
  • Measure voltage at the circuit connector (with wiring connected and disconnected) and compare to expected values
  • Measure resistance between the circuit and ground/B+ with ignition off to identify short or open

Signal parameters

  • Power supply pin: approximately battery voltage with ignition ON (~11–14 V) if the circuit is a powered line
  • Signal pin (if applicable): typically 0–5 V or a pulsed waveform depending on sensor type
  • Short to ground: signal/power reads ≈0 V
  • Short to battery: signal/power reads ≈battery voltage (~12 V) when it should not
  • Expected resistance: open circuits show OL; shorted circuits typically

Diagnostic algorithm

  1. Connect a diagnostic scanner, read all codes, note freeze-frame and related codes; record whether the code is current or history.
  2. Obtain the vehicle-specific wiring diagram and connector pinouts for F ABG(1) PS circuit before probing.
  3. Visually inspect wiring and connectors from the component to the control module for damage, corrosion, or aftermarket alterations.
  4. Check fuses/relays protecting the circuit; replace if faulty and retest for DTC recurrence.
  5. With ignition OFF, measure resistance between the suspect circuit and ground and between the circuit and battery positive to detect short (
  6. With ignition ON, measure voltage at the circuit connector. Compare measurements with expected values (see signal parameters).
  7. Disconnect the component (sensor/actuator) and clear codes. If the code clears and does not return, suspect the component; if it remains, suspect wiring or module.
  8. Use backprobing and an oscilloscope or multimeter while performing wiggle tests to locate intermittent shorts.
  9. If wiring is shorted, repair or replace damaged sections, protect harness routing, and secure connectors. After repair, clear codes and perform functional test/road test.
  10. If short remains after isolating wiring and component, consider replacement or bench testing of the control module per manufacturer procedures.

Likely causes

  • Wiring short to ground or battery (most common)
  • Corroded/poor connector or terminal causing short
  • Internal fault in the sensor/actuator on the circuit
  • Internal short/failure inside the control module

Fault status

⚠️ Status
DTC B1414 — F ABG(1) PS active circuit short detected (short to power or ground). Inspect wiring, connectors, fuses and the related component/control module; system may be disabled until repaired.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

B1410 B1411 B1415 B1420 U0100 U0121
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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