B10CF

Code

LAND ROVER B — Body

Right rear clutch switch Clutch switch of the luggage compartment yes left front lock

Brand: LAND ROVER

Type: B — Body

Views: UK: 23 EN: 37 RU: 22

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Page language: EN

Causes

Damaged or corroded connector at the right‑rear clutch/latch switch
Broken wiring (open, short to ground or battery, chafing) in the harness to the switch
Failed or stuck clutch/latch switch or latch assembly
Water ingress or contamination in the switch or connector
Faulty body control module (BCM) or module input circuitry
Software anomaly or incorrect configuration

Symptoms

Trunk/luggage compartment not locking or unlocking reliably
Instrument cluster message or warning about rear lock/luggage compartment
Incorrect lock status reported for right rear or another door (status mismatch)
DTC stored and possibly lamp or message in network scan tool
Intermittent operation of adjacent locks or central locking system

What to check

Read freeze‑frame and full module fault list with a proper diagnostic tool
Visual inspection of right‑rear latch, switch and connector for damage, corrosion or water
Check for outstanding related faults (other door/lock switch DTCs) to identify harness issues
Operate latch manually while watching live data/switch state in the diagnostic scanner
Backprobe the switch connector to measure voltage and signal changes when operating the latch
Check fuses and supply/ground continuity for the BCM and lock circuits

Signal parameters

Typical supply: battery voltage present at switch feed with ignition on (approx. 10–14 V).
Switch output: expected to toggle between near‑battery voltage and near 0 V when actuated (exact polarity depends on vehicle wiring).
Continuity: a closed mechanical switch typically shows low ohms (0–5 Ω); open reads high/OL.
Expected idle current: very low; a short to ground or battery may show high current draw or blown fuse.

Diagnostic algorithm

Connect a compatible Land Rover diagnostic tool. Read and record all related DTCs and freeze‑frame data.
Clear the code, then reproduce by operating the luggage compartment latch and cycling locks while monitoring live data for the right‑rear switch input.
Perform a visual inspection of the right‑rear latch/switch and connector; look for corrosion, moisture, broken pins or damaged wires.
With ignition on, backprobe the switch connector: verify supply voltage, ground reference and that the switch signal changes state when the latch is operated. Compare readings to expected signal behavior.
If supply is present but signal does not change, measure continuity across the switch (removed if necessary). If the switch does not open/close electrically when operated, replace the latch/switch assembly.
If the switch checks OK, trace the harness toward the BCM for opens or shorts. Repair any damaged wiring or poor crimps/connectors. Wiggle test while monitoring live data to find intermittent faults.
If wiring and switch are good, check the BCM input for proper operation. Swap with a known‑good input (where permitted) or perform module bench/test procedures per service manual. Consider software reflash or BCM replacement only after electrical verification.
After repair, clear codes and verify correct operation over multiple cycles. Road test / recheck following any body repairs or water exposure that may have caused the issue.

Likely causes

Corroded/loose connector at the right‑rear luggage compartment latch
Failed clutch/latch switch inside the latch assembly
Wiring short to ground or to 12 V in the harness to the right‑rear switch

Fault status

⚠️ Status

Right‑rear luggage compartment/clutch switch fault detected — check right‑rear latch switch circuit and connector.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 0.5-1.5 hours

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