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Home / DTC / B00B5 — Driver Seat Track Position Restraints Sensor

B00B5 — Driver Seat Track Position Restraints Sensor

Detailed page for trouble code B00B5.

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B00B5

Generic B — Body

Driver Seat Track Position Restraints Sensor

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

Causes

  • Broken or damaged sensor in the driver seat track
  • Open, shorted, corroded or disconnected wiring/connector between sensor and SRS/BCM/ECU
  • Poor or missing ground or reference voltage to the sensor
  • Contaminated or mechanically jammed seat track affecting sensor operation
  • Aftermarket seat replacement, incorrect reassembly, or improper connector seating
  • Intermittent connection due to flexing at the seat harness bulkhead

Symptoms

  • SRS/airbag warning lamp illuminated or stored SRS faults
  • Seat belt reminder or restraint system message shown on dash
  • Adaptive airbag or passenger protection disabled or operating in reduced mode
  • Seat memory/occupant classification functions incorrect or inactive
  • Diagnostic trouble codes present and possibly freeze frame data showing seat position out of range

What to check

  • Use a scan tool to read DTCs, freeze frame and live data for the seat track/position sensor
  • Visually inspect seat rail, sensor and connector for damage, corrosion, debris and proper seating
  • Check for related SRS fuse or circuit protection
  • Wiggle the seat harness and connectors while observing live data or lamp behaviour to reproduce fault
  • Compare live sensor output against expected behavior while moving the seat fore/aft

Signal parameters

  • Typical reference supply: 5 V reference (verify with OEM data)
  • Signal type: variable voltage proportional to seat position (0–5 V typical) or variable resistance to ground (consult OEM)
  • Expected behavior: smooth, monotonic change in voltage/resistance as seat moves fore/aft; no abrupt drops to 0 V or open circuit
  • Common failure signatures: open circuit (no signal), short to ground (0 V), short to battery (near 12 V), intermittent/noisy signal

Diagnostic algorithm

  1. Retrieve all SRS/BCM/seat-related codes with a capable scan tool and record freeze frame/live data. Do not attempt repairs until SRS system is made safe per manufacturer procedure (battery disconnect or SRS service mode if required).
  2. Visually inspect the driver seat, rails and harness connectors for mechanical damage, corrosion, debris or water contamination. Check seat mounting and ensure sensor is properly seated and secured.
  3. With connector connected, using a multimeter/scan tool, verify reference voltage (typically 5 V) and ground at the sensor connector. If reference or ground missing, trace back to module/fuse/ground point.
  4. Back-probe the signal circuit and observe live voltage or resistance while an assistant moves the seat fore and aft. Confirm smooth, continuous change consistent with position. Note any intermittent drops or jumps.
  5. If no proper reference or signal, disconnect battery per safety procedures and check continuity of signal, power and ground circuits from the sensor connector to the controlling module. Repair any open/shorted wiring or corroded terminals.
  6. If wiring and connectors test good but signal still out of range, remove and bench-test or replace the seat track position sensor per OEM instructions. Replace connector or pigtail if terminals are damaged.
  7. After repair, clear codes and perform system self-tests. Reconnect battery and perform a road test or seat-cycle test to confirm normal operation and no reoccurrence. If fault persists, consider inspecting/replacing the SRS/BCM module or performing OEM reprogramming/calibration.
  8. When working on SRS components, always follow vehicle manufacturer safety procedures to avoid accidental deployment and record any module replacements for vehicle history.

Likely causes

  • Damaged or corroded connector at the seat base
  • Wiring abrasion or pinched harness in the seat track area
  • Failed position/seat-track sensor element
  • Poor ground or missing 5 V reference supply

Fault status

⚠️ Status
Seat track position restraints sensor circuit fault detected for driver seat. Possible open/short/intermittent signal or invalid seat position data sent to restraint control module. Inspect sensor, wiring, connectors, power/ground, then retest.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

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Code

B00B5

LAND ROVER B — Body

Position Restriction Sensor driver's track

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

Causes

  • Broken or damaged sensor in the driver seat track
  • Open, shorted, corroded or disconnected wiring/connector between sensor and SRS/BCM/ECU
  • Poor or missing ground or reference voltage to the sensor
  • Contaminated or mechanically jammed seat track affecting sensor operation
  • Aftermarket seat replacement, incorrect reassembly, or improper connector seating
  • Intermittent connection due to flexing at the seat harness bulkhead

Symptoms

  • SRS/airbag warning lamp illuminated or stored SRS faults
  • Seat belt reminder or restraint system message shown on dash
  • Adaptive airbag or passenger protection disabled or operating in reduced mode
  • Seat memory/occupant classification functions incorrect or inactive
  • Diagnostic trouble codes present and possibly freeze frame data showing seat position out of range

What to check

  • Use a scan tool to read DTCs, freeze frame and live data for the seat track/position sensor
  • Visually inspect seat rail, sensor and connector for damage, corrosion, debris and proper seating
  • Check for related SRS fuse or circuit protection
  • Wiggle the seat harness and connectors while observing live data or lamp behaviour to reproduce fault
  • Compare live sensor output against expected behavior while moving the seat fore/aft

Signal parameters

  • Typical reference supply: 5 V reference (verify with OEM data)
  • Signal type: variable voltage proportional to seat position (0–5 V typical) or variable resistance to ground (consult OEM)
  • Expected behavior: smooth, monotonic change in voltage/resistance as seat moves fore/aft; no abrupt drops to 0 V or open circuit
  • Common failure signatures: open circuit (no signal), short to ground (0 V), short to battery (near 12 V), intermittent/noisy signal

Diagnostic algorithm

  1. Retrieve all SRS/BCM/seat-related codes with a capable scan tool and record freeze frame/live data. Do not attempt repairs until SRS system is made safe per manufacturer procedure (battery disconnect or SRS service mode if required).
  2. Visually inspect the driver seat, rails and harness connectors for mechanical damage, corrosion, debris or water contamination. Check seat mounting and ensure sensor is properly seated and secured.
  3. With connector connected, using a multimeter/scan tool, verify reference voltage (typically 5 V) and ground at the sensor connector. If reference or ground missing, trace back to module/fuse/ground point.
  4. Back-probe the signal circuit and observe live voltage or resistance while an assistant moves the seat fore and aft. Confirm smooth, continuous change consistent with position. Note any intermittent drops or jumps.
  5. If no proper reference or signal, disconnect battery per safety procedures and check continuity of signal, power and ground circuits from the sensor connector to the controlling module. Repair any open/shorted wiring or corroded terminals.
  6. If wiring and connectors test good but signal still out of range, remove and bench-test or replace the seat track position sensor per OEM instructions. Replace connector or pigtail if terminals are damaged.
  7. After repair, clear codes and perform system self-tests. Reconnect battery and perform a road test or seat-cycle test to confirm normal operation and no reoccurrence. If fault persists, consider inspecting/replacing the SRS/BCM module or performing OEM reprogramming/calibration.
  8. When working on SRS components, always follow vehicle manufacturer safety procedures to avoid accidental deployment and record any module replacements for vehicle history.

Likely causes

  • Damaged or corroded connector at the seat base
  • Wiring abrasion or pinched harness in the seat track area
  • Failed position/seat-track sensor element
  • Poor ground or missing 5 V reference supply

Fault status

⚠️ Status
Seat track position restraints sensor circuit fault detected for driver seat. Possible open/short/intermittent signal or invalid seat position data sent to restraint control module. Inspect sensor, wiring, connectors, power/ground, then retest.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

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B00B4 B00B6 B00B0 B00C5 B00D5
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