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Home / DTC / B1060 — Occupant Classification Sensor Circuit Malfunction

B1060 — Occupant Classification Sensor Circuit Malfunction

Detailed page for trouble code B1060.

34,405codes
59brands
11,914generic
22,491specific
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B1060

Generic B — Body

Occupant Classification Sensor Circuit Malfunction

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

Causes

  • Open, shorted, corroded or damaged wiring/connectors between the occupant classification sensor and control module
  • Failed occupant classification sensor (seat mat, pressure sensor array)
  • Poor or missing reference voltage or ground to the sensor
  • Water intrusion or foreign material in seat cushion/seat mat
  • Faulty occupant classification/airbag control module or internal software fault
  • Recent seat repair, replacement, or aftermarket seat cover interfering with sensor operation

Symptoms

  • Airbag or SRS warning lamp illuminated
  • Passenger airbag disabled or not enabling correctly
  • Passenger presence indicator incorrect (shows empty when occupied or vice versa)
  • Diagnostic trouble code(s) stored related to occupant classification
  • Possible intermittent SRS behavior tied to seat position or passenger movement

What to check

  • Read DTCs with a calibrated scan tool and record freeze-frame/live data related to the occupant classification system
  • Visual inspection of seat area for water damage, debris, or aftermarket seat covers
  • Inspect connectors and wiring under the passenger seat for damage, corrosion, or loose pins
  • Verify fuses and vehicle battery voltage are within nominal range
  • Check for Technical Service Bulletins (TSBs) or service history of seat/modification

Signal parameters

  • Reference voltage typically 5 V (verify exact manufacturer spec for vehicle)
  • Signal voltage expected to vary with applied load (0–5 V range) or change in measured resistance
  • Sensor ground continuity to chassis ground should be low (near 0 ohms)
  • Open circuit or short to battery/ground will be detected by control module
  • Module may report sensor status bits (ok/fault/high/low) via scan tool

Diagnostic algorithm

  1. Connect a qualified scan tool, confirm B1060 and any related codes, record freeze-frame and live data for passenger seat sensor channels.
  2. Perform a visual inspection of the passenger seat (remove trim as needed). Look for moisture, debris, or damage to the sensor mat and harness.
  3. With ignition on, verify reference voltage and ground at the sensor connector using a digital meter. Compare to manufacturer specification.
  4. Back-probe the sensor signal wire and observe voltage or resistance changes while applying weight to the seat (use known test mass). Note any intermittent or no-change behavior.
  5. Wiggle test wiring and connectors while monitoring live data to isolate intermittent faults caused by movement.
  6. If open/short or intermittent condition is found, repair or replace wiring/connector and re-test continuity and function.
  7. If wiring and connectors are good but sensor output is out of spec, replace the occupant classification sensor/mat assembly per manufacturer procedure.
  8. If sensor and wiring test good, check module power, ground, and software calibration. Reprogram or replace occupant classification/airbag control module only if supported by further diagnostics.
  9. After repairs, clear codes and verify system operation with scan tool and a functional test (confirm passenger airbag enable/disable behavior as applicable).

Likely causes

  • Damaged harness or connector under the seat (pin corrosion, broken wires)
  • Intermittent connection caused by seat movement (harness chafe)
  • Sensor mat failure due to moisture or mechanical damage
  • Blown fuse or lost reference voltage to sensor circuit
  • Incorrect replacement part or module programming after service

Fault status

⚠️ Status
Occupant Classification Sensor Circuit malfunction detected — inspect seat sensor, wiring, connectors, and control module for faults. Passenger airbag enable/disable may be affected.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

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Code

B1060

LAND ROVER B — Body

Output head restraint retention motor

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

Causes

  • Open, shorted, corroded or damaged wiring/connectors between the occupant classification sensor and control module
  • Failed occupant classification sensor (seat mat, pressure sensor array)
  • Poor or missing reference voltage or ground to the sensor
  • Water intrusion or foreign material in seat cushion/seat mat
  • Faulty occupant classification/airbag control module or internal software fault
  • Recent seat repair, replacement, or aftermarket seat cover interfering with sensor operation

Symptoms

  • Airbag or SRS warning lamp illuminated
  • Passenger airbag disabled or not enabling correctly
  • Passenger presence indicator incorrect (shows empty when occupied or vice versa)
  • Diagnostic trouble code(s) stored related to occupant classification
  • Possible intermittent SRS behavior tied to seat position or passenger movement

What to check

  • Read DTCs with a calibrated scan tool and record freeze-frame/live data related to the occupant classification system
  • Visual inspection of seat area for water damage, debris, or aftermarket seat covers
  • Inspect connectors and wiring under the passenger seat for damage, corrosion, or loose pins
  • Verify fuses and vehicle battery voltage are within nominal range
  • Check for Technical Service Bulletins (TSBs) or service history of seat/modification

Signal parameters

  • Reference voltage typically 5 V (verify exact manufacturer spec for vehicle)
  • Signal voltage expected to vary with applied load (0–5 V range) or change in measured resistance
  • Sensor ground continuity to chassis ground should be low (near 0 ohms)
  • Open circuit or short to battery/ground will be detected by control module
  • Module may report sensor status bits (ok/fault/high/low) via scan tool

Diagnostic algorithm

  1. Connect a qualified scan tool, confirm B1060 and any related codes, record freeze-frame and live data for passenger seat sensor channels.
  2. Perform a visual inspection of the passenger seat (remove trim as needed). Look for moisture, debris, or damage to the sensor mat and harness.
  3. With ignition on, verify reference voltage and ground at the sensor connector using a digital meter. Compare to manufacturer specification.
  4. Back-probe the sensor signal wire and observe voltage or resistance changes while applying weight to the seat (use known test mass). Note any intermittent or no-change behavior.
  5. Wiggle test wiring and connectors while monitoring live data to isolate intermittent faults caused by movement.
  6. If open/short or intermittent condition is found, repair or replace wiring/connector and re-test continuity and function.
  7. If wiring and connectors are good but sensor output is out of spec, replace the occupant classification sensor/mat assembly per manufacturer procedure.
  8. If sensor and wiring test good, check module power, ground, and software calibration. Reprogram or replace occupant classification/airbag control module only if supported by further diagnostics.
  9. After repairs, clear codes and verify system operation with scan tool and a functional test (confirm passenger airbag enable/disable behavior as applicable).

Likely causes

  • Damaged harness or connector under the seat (pin corrosion, broken wires)
  • Intermittent connection caused by seat movement (harness chafe)
  • Sensor mat failure due to moisture or mechanical damage
  • Blown fuse or lost reference voltage to sensor circuit
  • Incorrect replacement part or module programming after service

Fault status

⚠️ Status
Occupant Classification Sensor Circuit malfunction detected — inspect seat sensor, wiring, connectors, and control module for faults. Passenger airbag enable/disable may be affected.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

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B1061 B1062 B1063 B1650
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Code

B1060

MITSUBISHI B — Body

Air outlet potentio.performance

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

Causes

  • Open, shorted, corroded or damaged wiring/connectors between the occupant classification sensor and control module
  • Failed occupant classification sensor (seat mat, pressure sensor array)
  • Poor or missing reference voltage or ground to the sensor
  • Water intrusion or foreign material in seat cushion/seat mat
  • Faulty occupant classification/airbag control module or internal software fault
  • Recent seat repair, replacement, or aftermarket seat cover interfering with sensor operation

Symptoms

  • Airbag or SRS warning lamp illuminated
  • Passenger airbag disabled or not enabling correctly
  • Passenger presence indicator incorrect (shows empty when occupied or vice versa)
  • Diagnostic trouble code(s) stored related to occupant classification
  • Possible intermittent SRS behavior tied to seat position or passenger movement

What to check

  • Read DTCs with a calibrated scan tool and record freeze-frame/live data related to the occupant classification system
  • Visual inspection of seat area for water damage, debris, or aftermarket seat covers
  • Inspect connectors and wiring under the passenger seat for damage, corrosion, or loose pins
  • Verify fuses and vehicle battery voltage are within nominal range
  • Check for Technical Service Bulletins (TSBs) or service history of seat/modification

Signal parameters

  • Reference voltage typically 5 V (verify exact manufacturer spec for vehicle)
  • Signal voltage expected to vary with applied load (0–5 V range) or change in measured resistance
  • Sensor ground continuity to chassis ground should be low (near 0 ohms)
  • Open circuit or short to battery/ground will be detected by control module
  • Module may report sensor status bits (ok/fault/high/low) via scan tool

Diagnostic algorithm

  1. Connect a qualified scan tool, confirm B1060 and any related codes, record freeze-frame and live data for passenger seat sensor channels.
  2. Perform a visual inspection of the passenger seat (remove trim as needed). Look for moisture, debris, or damage to the sensor mat and harness.
  3. With ignition on, verify reference voltage and ground at the sensor connector using a digital meter. Compare to manufacturer specification.
  4. Back-probe the sensor signal wire and observe voltage or resistance changes while applying weight to the seat (use known test mass). Note any intermittent or no-change behavior.
  5. Wiggle test wiring and connectors while monitoring live data to isolate intermittent faults caused by movement.
  6. If open/short or intermittent condition is found, repair or replace wiring/connector and re-test continuity and function.
  7. If wiring and connectors are good but sensor output is out of spec, replace the occupant classification sensor/mat assembly per manufacturer procedure.
  8. If sensor and wiring test good, check module power, ground, and software calibration. Reprogram or replace occupant classification/airbag control module only if supported by further diagnostics.
  9. After repairs, clear codes and verify system operation with scan tool and a functional test (confirm passenger airbag enable/disable behavior as applicable).

Likely causes

  • Damaged harness or connector under the seat (pin corrosion, broken wires)
  • Intermittent connection caused by seat movement (harness chafe)
  • Sensor mat failure due to moisture or mechanical damage
  • Blown fuse or lost reference voltage to sensor circuit
  • Incorrect replacement part or module programming after service

Fault status

⚠️ Status
Occupant Classification Sensor Circuit malfunction detected — inspect seat sensor, wiring, connectors, and control module for faults. Passenger airbag enable/disable may be affected.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

B1061 B1062 B1063 B1650
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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+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
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