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Home / DTC / B2415 — Driver Seat Position Sensor Circuit — Range/Performance

B2415 — Driver Seat Position Sensor Circuit — Range/Performance

Detailed page for trouble code B2415.

34,405codes
59brands
11,914generic
22,491specific
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Code

B2415

Generic B — Body

Driver Seat Position Sensor Circuit — Range/Performance

Brand: Generic
Type: B — Body
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty driver seat position sensor (potentiometer or Hall-effect sensor)
  • Open, short, or high-resistance wiring between sensor and control module
  • Poor connector contact or corrosion at sensor or module connector
  • Seat track/mechanism damage preventing sensor movement
  • Intermittent wiring fault due to chafed harness in seat rail or hinge area
  • Faulty body or seat control module (less common)

Symptoms

  • Warning light or message related to seat position or system (may be generic B-code)
  • Seat position not detected or incorrect for occupant detection features
  • Related systems operate incorrectly (memory seat may not store/recall position)
  • Intermittent faults that change when seat is moved or when wiring is manipulated

What to check

  • Verify stored freeze frame/PCM data and confirm B2415 is current or historic
  • Visually inspect wiring and connectors at the driver seat, under-seat area, and seat rail for damage
  • Backprobe sensor connector and monitor voltage/ground with ignition ON
  • Measure sensor output while moving seat through full travel — look for smooth, monotonic change
  • Perform wiggle test along harness to reproduce fault/intermittent behavior
  • Check for corrosion, bent pins, or water intrusion at connectors

Signal parameters

  • Reference voltage (typical): ~5 V (verify vehicle-specific value)
  • Sensor output: varies with seat position — typically between ~0.5 V and ~4.5 V across full travel
  • Expected behavior: smooth, continuous voltage change with no sudden jumps or dropouts
  • Resistance type sensors: resistance should change smoothly across travel (exact ohms manufacturer-specific, commonly a few kilo-ohms range)
  • Open circuit: infinite resistance or no output; short to ground: ~0 V; short to battery: ~battery voltage

Diagnostic algorithm

  1. Read freeze frame and DTC status with scan tool; note any related seat or occupant-sensing codes.
  2. Visually inspect connectors and wiring from seat sensor to module. Look for chafing in the seat rail, hinge, or under-seat area.
  3. With ignition ON (engine off) backprobe the sensor connector: verify reference voltage and ground continuity to module. If no reference, suspect wiring/module.
  4. Measure sensor output voltage and slowly move the seat through full travel. Confirm output changes smoothly and remains within expected range (see signal_params).
  5. Perform wiggle test on harness and connectors while monitoring output or live data to detect intermittent faults.
  6. If output is stuck, out of range, or intermittent: disconnect sensor and measure resistance across sensor terminals (if applicable). Compare to manufacturer spec. Replace sensor if out of spec or open/shorted.
  7. Repair any damaged wiring, pins, or connectors. Recheck continuity and insulation after repair.
  8. If wiring and sensor check good, inspect seat mechanism for binding that could prevent sensor movement.
  9. If all wiring and sensor are good, consult module diagnostics — possibly test/replace seat/body control module per service manual.
  10. Clear codes and perform functional test and road/seat-motion test to confirm repair. Observe for reoccurrence.

Likely causes

  • Damaged wiring/harness in seat rail area (most common)
  • Corroded/loose connector at seat position sensor
  • Worn or failed seat position sensor element
  • Sensor mechanically stuck or contaminated

Fault status

⚠️ Status
Driver Seat Position Sensor Circuit — Range/Performance detected; sensor output out of expected range or not varying properly.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-1.5 hours

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Code

B2415

MITSUBISHI B — Body

RA module power voltage

Brand: MITSUBISHI
Type: B — Body
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty driver seat position sensor (potentiometer or Hall-effect sensor)
  • Open, short, or high-resistance wiring between sensor and control module
  • Poor connector contact or corrosion at sensor or module connector
  • Seat track/mechanism damage preventing sensor movement
  • Intermittent wiring fault due to chafed harness in seat rail or hinge area
  • Faulty body or seat control module (less common)

Symptoms

  • Warning light or message related to seat position or system (may be generic B-code)
  • Seat position not detected or incorrect for occupant detection features
  • Related systems operate incorrectly (memory seat may not store/recall position)
  • Intermittent faults that change when seat is moved or when wiring is manipulated

What to check

  • Verify stored freeze frame/PCM data and confirm B2415 is current or historic
  • Visually inspect wiring and connectors at the driver seat, under-seat area, and seat rail for damage
  • Backprobe sensor connector and monitor voltage/ground with ignition ON
  • Measure sensor output while moving seat through full travel — look for smooth, monotonic change
  • Perform wiggle test along harness to reproduce fault/intermittent behavior
  • Check for corrosion, bent pins, or water intrusion at connectors

Signal parameters

  • Reference voltage (typical): ~5 V (verify vehicle-specific value)
  • Sensor output: varies with seat position — typically between ~0.5 V and ~4.5 V across full travel
  • Expected behavior: smooth, continuous voltage change with no sudden jumps or dropouts
  • Resistance type sensors: resistance should change smoothly across travel (exact ohms manufacturer-specific, commonly a few kilo-ohms range)
  • Open circuit: infinite resistance or no output; short to ground: ~0 V; short to battery: ~battery voltage

Diagnostic algorithm

  1. Read freeze frame and DTC status with scan tool; note any related seat or occupant-sensing codes.
  2. Visually inspect connectors and wiring from seat sensor to module. Look for chafing in the seat rail, hinge, or under-seat area.
  3. With ignition ON (engine off) backprobe the sensor connector: verify reference voltage and ground continuity to module. If no reference, suspect wiring/module.
  4. Measure sensor output voltage and slowly move the seat through full travel. Confirm output changes smoothly and remains within expected range (see signal_params).
  5. Perform wiggle test on harness and connectors while monitoring output or live data to detect intermittent faults.
  6. If output is stuck, out of range, or intermittent: disconnect sensor and measure resistance across sensor terminals (if applicable). Compare to manufacturer spec. Replace sensor if out of spec or open/shorted.
  7. Repair any damaged wiring, pins, or connectors. Recheck continuity and insulation after repair.
  8. If wiring and sensor check good, inspect seat mechanism for binding that could prevent sensor movement.
  9. If all wiring and sensor are good, consult module diagnostics — possibly test/replace seat/body control module per service manual.
  10. Clear codes and perform functional test and road/seat-motion test to confirm repair. Observe for reoccurrence.

Likely causes

  • Damaged wiring/harness in seat rail area (most common)
  • Corroded/loose connector at seat position sensor
  • Worn or failed seat position sensor element
  • Sensor mechanically stuck or contaminated

Fault status

⚠️ Status
Driver Seat Position Sensor Circuit — Range/Performance detected; sensor output out of expected range or not varying properly.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-1.5 hours

Similar codes

B2416 B2417 B2420 B2470
406

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

MITSUBISHI

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