B1461

Code

LAND ROVER B — Body

Trunk control module - Right lock - Combined switch of claw / claw

Brand: LAND ROVER

Type: B — Body

Views: UK: 20 EN: 34 RU: 17

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Page language: EN

Causes

Failed/contaminated right trunk latch (combined claw) switch
Broken, chafed or pinched wiring in harness to right latch
Corroded or loose connector/terminals at latch or body control module
Short to ground or short to battery in the switch circuit
Poor ground or blown/incorrect fuse feeding latch circuit
Faulty trunk control module (rare) or software anomaly

Symptoms

Right trunk lock does not operate or works intermittently
Trunk open/ajar or lock fault warning message or indicator
Trunk may not latch properly or may not unlock with remote/key
Clicking from actuator without latch movement
Possible parasitic drain if switch stuck or shorted

What to check

Read freeze-frame and live data with a capable diagnostic tool; note when DTC sets and any related codes
Visually inspect right trunk latch, connectors and wiring for damage, corrosion or water contamination
Wiggle harness and connectors while watching live data to reproduce the fault
Check fuses and body control module ground quality
Backprobe latch connector: verify supply, ground and switch signal while operating latch
Measure continuity/resistance of switch and continuity to trunk control module pins

Signal parameters

Switch expected to change state when latch operated — typically between a logical LOW and HIGH (vehicle-specific).
Common voltage behavior: signal toggles between near 0 V (ground) and near battery voltage (~12 V) or between 0 V and module reference (~5 V) depending on vehicle design.
Closed-switch continuity: low resistance (typically 1 MΩ).
No more than ~0.5 V drop on supply or ground circuits during actuation; actuator supply should be ~12 V when driven.
If available, oscilloscope should show clean transition without noise or chatter when operating latch

Diagnostic algorithm

Use a diagnostic scanner to read all stored codes and freeze/frame data. Note related body or communication codes.
Clear stored codes, then attempt to reproduce the fault by operating trunk lock/unlock; observe live data for the right latch switch state.
Perform a visual inspection of the right trunk latch assembly, connector and wiring for obvious damage, corrosion or water entry. Repair any visible issues.
Backprobe the latch connector with a multimeter while operating the latch: verify battery feed, ground continuity and that the switch signal toggles as expected. Wiggle the wiring to check for intermittent faults.
Measure resistance across the latch switch contacts and compare to expected open/closed behavior (low resistance closed, high when open). If the switch does not change state reliably, remove and bench-test the latch assembly or replace it.
If wiring is suspect, isolate and test continuity from the latch connector to the trunk control module connector. Repair any damaged sections and secure connectors.
Repair or replace the latch assembly or harness as required. Replace corroded connectors/terminals and apply dielectric grease to prevent recurrence.
If wiring and latch test good, verify trunk control module inputs and outputs. If module input pin shows no signal despite a good switch and intact wiring, consider trunk control module fault — confirm with module bench test or consult manufacturer guidance before module replacement.
After repairs, erase DTCs and perform full functional tests (remote, key, mechanical close/open, drive cycles) to confirm the fault is resolved.

Likely causes

Mechanical failure or contamination of the right latch switch (most common)
Connector corrosion or damaged wiring in harness to right latch
Intermittent open/short in switch circuit caused by chafing/wear
Failed trunk control module (after wiring and latch tests are good)

Fault status

⚠️ Status

Trunk right lock (combined latch) switch fault detected — check right trunk latch and wiring.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 0.5-2.5 hours

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B1461 — Trunk control module - Right lock - Combined switch of claw / claw