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Home / DTC / B00C5 — Passenger Seat Track Position Restraints Sensor

B00C5 — Passenger Seat Track Position Restraints Sensor

Detailed page for trouble code B00C5.

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B00C5

Generic B — Body

Passenger Seat Track Position Restraints Sensor

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

Causes

  • Open, shorted, or damaged wiring harness or connector for the seat track position sensor
  • Corroded or loose connector pins at the sensor or control module
  • Failed or internally shorted seat track position sensor (potentiometer, encoder or Hall sensor)
  • Contaminated or mechanically damaged sensor due to debris in seat track
  • Improper reference voltage or missing ground to the sensor
  • Faulty airbag/restraints control module or communication bus (CAN/LIN) issue

Symptoms

  • SRS/airbag warning light illuminated
  • Seatbelt/occupant sensing warning or status incorrect for passenger side
  • Seatbelt pre-tensioner or airbag deployment logic may be disabled or set to a fallback state
  • Possible stored/history DTCs for related circuits or communication
  • Intermittent warnings when seat is moved or occupant shifts

What to check

  • Read and record all stored and pending SRS and body module codes and freeze-frame data with a capable scan tool
  • Inspect the sensor connector at the seat track for corrosion, damage, moisture or loose pins
  • Visually inspect wiring from the seat track into the harness, especially at hinge points and under the seat
  • Verify SRS control module grounds and battery voltage are within specification
  • Check for related occupant classification/seatbelt buckle codes
  • If available, view live data for the seat track position signal while moving the seat fore/aft

Signal parameters

  • Signal type: typically analog position sensor (potentiometer) or digital Hall/encoder; some systems report over CAN/LIN
  • Reference supply: usually +5 V (verify with service data) and ground present at sensor connector
  • Analog voltage range: commonly ~0.5–4.5 V across full travel (varies by manufacturer)
  • Resistance: variable resistor types will change resistance across terminals as the seat moves (manufacturer-specific values)
  • Digital: encoder/Hall sensors produce pulses or CAN messages; expect consistent frequency/update rate while moving (e.g., dozens of updates per second)
  • Expected behavior: smooth, monotonic change of signal with seat movement; no sudden jumps to open/short voltages (0 V or battery voltage)

Diagnostic algorithm

  1. Safety: follow OEM SRS service procedures — disable battery and wait the required time before disconnecting SRS connectors if removing seat or working near airbags.
  2. Use a scan tool: record B00C5 and any associated codes, note freeze-frame and live data. Check for communication errors on CAN/LIN.
  3. Visual inspection: check seat track and floor harness for chafing, crushed wires, connector corrosion, and physical sensor damage. Move seat and watch harness for wire movement or breaks.
  4. Connector check: disconnect the sensor connector, inspect terminals for corrosion, push-fit, or bent pins. Reconnect and ensure a firm connection.
  5. Power/ground: with ignition ON (do not crank), verify presence of reference voltage (typically ~5 V) and ground at the sensor connector using a DMM. If missing, trace back to source/ECU.
  6. Signal test: backprobing the signal terminal, observe live voltage while moving the seat fore/aft. Voltage should change smoothly across the expected range. If it is stuck, jumps, or reads open/short (0 V or battery voltage), proceed.
  7. Resistance/continuity: with power removed, measure resistance across sensor terminals (if potentiometer type) while moving seat; look for smooth change without dead spots. Check continuity to the ECU/power/ground.
  8. Wiggle test: with tools in place, wiggle wires and connectors while observing the live signal and codes to reveal intermittent faults.
  9. Scan-tool and scope: if intermittent or complex, use an oscilloscope to view signal waveform while moving seat and under load; check CAN/LIN traffic for seat position messages if applicable.
  10. Repair and retest: repair damaged wiring/connector, clean or replace sensor as required. Clear codes and perform any required SRS/occupant system calibrations per manufacturer procedures.
  11. Final verification: after repair, confirm no reoccurrence of B00C5 during normal seat movement and occupant testing. Re-check related DTCs and ensure SRS lamp goes out after self-test.

Likely causes

  • Connector damage/corrosion at the seat track sensor or ECU
  • Broken or chafed wire in seat harness (common near seat rails or door sill)
  • Failed seat track position sensor
  • Sensor out-of-range due to mechanical binding or debris in seat track
  • Loss of sensor reference 5 V or ground

Fault status

⚠️ Status
Restraints control module reports invalid or missing passenger seat track position sensor signal (out-of-range, open, short, or communication fault). SRS logic may disable occupant-specific restraint functions until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5-3.0 hours

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Code

B00C5

LAND ROVER B — Body

passenger lane position restrictions sensors

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

Causes

  • Open, shorted, or damaged wiring harness or connector for the seat track position sensor
  • Corroded or loose connector pins at the sensor or control module
  • Failed or internally shorted seat track position sensor (potentiometer, encoder or Hall sensor)
  • Contaminated or mechanically damaged sensor due to debris in seat track
  • Improper reference voltage or missing ground to the sensor
  • Faulty airbag/restraints control module or communication bus (CAN/LIN) issue

Symptoms

  • SRS/airbag warning light illuminated
  • Seatbelt/occupant sensing warning or status incorrect for passenger side
  • Seatbelt pre-tensioner or airbag deployment logic may be disabled or set to a fallback state
  • Possible stored/history DTCs for related circuits or communication
  • Intermittent warnings when seat is moved or occupant shifts

What to check

  • Read and record all stored and pending SRS and body module codes and freeze-frame data with a capable scan tool
  • Inspect the sensor connector at the seat track for corrosion, damage, moisture or loose pins
  • Visually inspect wiring from the seat track into the harness, especially at hinge points and under the seat
  • Verify SRS control module grounds and battery voltage are within specification
  • Check for related occupant classification/seatbelt buckle codes
  • If available, view live data for the seat track position signal while moving the seat fore/aft

Signal parameters

  • Signal type: typically analog position sensor (potentiometer) or digital Hall/encoder; some systems report over CAN/LIN
  • Reference supply: usually +5 V (verify with service data) and ground present at sensor connector
  • Analog voltage range: commonly ~0.5–4.5 V across full travel (varies by manufacturer)
  • Resistance: variable resistor types will change resistance across terminals as the seat moves (manufacturer-specific values)
  • Digital: encoder/Hall sensors produce pulses or CAN messages; expect consistent frequency/update rate while moving (e.g., dozens of updates per second)
  • Expected behavior: smooth, monotonic change of signal with seat movement; no sudden jumps to open/short voltages (0 V or battery voltage)

Diagnostic algorithm

  1. Safety: follow OEM SRS service procedures — disable battery and wait the required time before disconnecting SRS connectors if removing seat or working near airbags.
  2. Use a scan tool: record B00C5 and any associated codes, note freeze-frame and live data. Check for communication errors on CAN/LIN.
  3. Visual inspection: check seat track and floor harness for chafing, crushed wires, connector corrosion, and physical sensor damage. Move seat and watch harness for wire movement or breaks.
  4. Connector check: disconnect the sensor connector, inspect terminals for corrosion, push-fit, or bent pins. Reconnect and ensure a firm connection.
  5. Power/ground: with ignition ON (do not crank), verify presence of reference voltage (typically ~5 V) and ground at the sensor connector using a DMM. If missing, trace back to source/ECU.
  6. Signal test: backprobing the signal terminal, observe live voltage while moving the seat fore/aft. Voltage should change smoothly across the expected range. If it is stuck, jumps, or reads open/short (0 V or battery voltage), proceed.
  7. Resistance/continuity: with power removed, measure resistance across sensor terminals (if potentiometer type) while moving seat; look for smooth change without dead spots. Check continuity to the ECU/power/ground.
  8. Wiggle test: with tools in place, wiggle wires and connectors while observing the live signal and codes to reveal intermittent faults.
  9. Scan-tool and scope: if intermittent or complex, use an oscilloscope to view signal waveform while moving seat and under load; check CAN/LIN traffic for seat position messages if applicable.
  10. Repair and retest: repair damaged wiring/connector, clean or replace sensor as required. Clear codes and perform any required SRS/occupant system calibrations per manufacturer procedures.
  11. Final verification: after repair, confirm no reoccurrence of B00C5 during normal seat movement and occupant testing. Re-check related DTCs and ensure SRS lamp goes out after self-test.

Likely causes

  • Connector damage/corrosion at the seat track sensor or ECU
  • Broken or chafed wire in seat harness (common near seat rails or door sill)
  • Failed seat track position sensor
  • Sensor out-of-range due to mechanical binding or debris in seat track
  • Loss of sensor reference 5 V or ground

Fault status

⚠️ Status
Restraints control module reports invalid or missing passenger seat track position sensor signal (out-of-range, open, short, or communication fault). SRS logic may disable occupant-specific restraint functions until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5-3.0 hours

Similar codes

B00C1 B00C2 B00C3 B00C4 B00C6 B00D0
320

Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

LAND ROVER

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