B1080

Code

LAND ROVER B — Body

Tension arch valve 3 Left temperature shock absorber motor correct temperature

Brand: LAND ROVER

Type: B — Body

Views: UK: 34 EN: 46 RU: 29

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Page language: EN

Causes

Damaged or corroded electrical connector at the left tension arch valve / shock absorber motor
Broken, shorted or intermittent wiring between the shock motor temperature sensor and the suspension control module
Faulty temperature sensor (thermistor) integrated in the shock absorber motor
Failed shock absorber motor/module (internal electronics)
Water ingress or contamination in the shock/motor connector
Software/calibration error in the suspension control module

Symptoms

Suspension warning message or warning lamp on instrument panel
Reduced suspension functionality or limited ride-height/mode selection
Uneven or abnormal ride quality from the left front corner
DTC stored in suspension control module without obvious driveability symptoms
Intermittent faults that appear after driving or exposure to water

What to check

Read and record the exact DTC(s) and any freeze-frame/live data with an OEM-level scan tool
Inspect the left front shock absorber connector and wiring for damage, corrosion, moisture or pin push-out
Check for other related suspension or body control module codes
Monitor live temperature signal for the left shock absorber motor while cold and after a short drive to see how the value changes
Perform a visual inspection for fluid leaks or physical damage to the shock/motor assembly
Check for software updates or TSBs related to suspension temperature sensors

Signal parameters

Sensor type: commonly an NTC thermistor integrated in the shock motor (resistance varies with temperature)
Typical signal at module: low-voltage analog (approx. 0.1–4.9 V depending on design and temperature)
Typical resistance behavior: higher resistance when cold, lower resistance as temperature rises (specific ohm values are manufacturer-dependent)
Expected behavior: stable changing value with ambient temperature and warming under operation; no open-circuit or short-to-power/ground

Diagnostic algorithm

Retrieve codes and freeze-frame with an OEM scan tool; note occurrence conditions (ambient temp, driving time).
Visually inspect the left shock absorber connector and wiring harness for corrosion, bent pins, water traps, chafing or mechanical damage. Repair as necessary.
With connector disconnected, measure resistance of the temperature sensor at the sensor side (if accessible) and compare to manufacturer data or expected thermistor behavior (resistance should change with temperature).
Backprobe the connector with ignition on and monitor the temperature signal voltage at the harness while warming the sensor (by driving briefly or using a heat source) to confirm the signal changes as expected.
Check wiring continuity and for shorts to battery positive and ground between the sensor connector and the suspension control module. Repair wiring faults.
If wiring and connectors are good but signal is implausible, replace the shock absorber/motor assembly (or sensor if serviceable).
After repair, clear codes and perform a test drive; monitor live data to confirm correct temperature reporting and that the DTC does not return.
If the fault persists, inspect the suspension control module and update software or replace the control module per manufacturer diagnostics.

Likely causes

Corroded connector at left front shock absorber
Open or short in the temperature sensor wiring to the suspension control module
Failed temperature sensing element inside the shock motor
Failed shock absorber motor assembly causing incorrect temperature feedback

Fault status

⚠️ Status

Temperature signal for tension arch valve 3 (left shock absorber motor) is flagged as outside expected parameters or requires verification. Check sensor, wiring and module.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 0.5-2.5 hours

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B1080 — Tension arch valve 3 Left temperature shock absorber motor correct temperature