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Home / DTC / C1008 — Power Support - Left position / motion sensor

C1008 — Power Support - Left position / motion sensor

Detailed page for trouble code C1008.

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Code

C1008

LAND ROVER C — Chassis

Power Support - Left position / motion sensor

Brand: LAND ROVER
Type: C — Chassis
Views: UK: 2 EN: 6 RU: 2
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Page language: EN

Causes

  • Faulty or failed left position/motion sensor
  • Damaged, corroded or disconnected electrical connector at the sensor
  • Broken or shorted wiring between sensor and control module
  • Water ingress or contamination of the sensor or connector
  • Mechanical binding, obstruction or physical damage to the powered mechanism
  • Low or unstable vehicle battery/charging system voltage

Symptoms

  • Warning lamp or message related to Power Support system (left side)
  • Left Power Support function stuck, slow, intermittent or non-operational
  • Asymmetric or unsafe movement compared to the right side
  • Diagnostic trouble code C1008 stored in the module
  • Possible loss of safety interlocks or auto-retract features

What to check

  • Read and record DTC(s) and freeze-frame data with a factory-level scan tool
  • Attempt to re-create the symptom and note when the code sets (conditions, temperature, vehicle state)
  • Visual inspection of the left sensor, mounting, and harness for damage, corrosion or contamination
  • Check connector pins for bent pins, corrosion and secure mating
  • Measure battery voltage and charging system while testing (low voltage can cause faults)
  • Backprobe sensor connector and monitor live data or signal while operating the system

Signal parameters

  • Typical position sensor output: analog voltage in the range ~0–5 V (varies by model)
  • Hall-effect or digital encoder: pulse/frequency or switched signal, often referenced to 5 V or 12 V supply
  • Expected steady change in voltage/position value when the mechanism moves smoothly
  • No continuity to ground on signal wire (unless specified) and correct reference voltage present at sensor supply pin
  • Signal should be stable with vehicle battery at normal operating voltage (~12–14.5 V)

Diagnostic algorithm

  1. Connect a factory-level diagnostic tool, read DTCs and note freeze-frame data and event counts.
  2. Inspect the left sensor and harness for obvious damage, moisture, corrosion or loose clips. Repair as necessary.
  3. With ignition on, backprobe the sensor connector. Verify sensor supply voltage, ground continuity and signal output while operating the Power Support mechanism.
  4. If signal is missing or out-of-range, perform wiggle tests on the harness while monitoring live data to locate an intermittent circuit.
  5. Check continuity and resistance of the signal, supply and ground wires back to the control module using a multimeter. Repair any open/short circuits.
  6. If wiring and connectors are good but signal is faulty, replace the left position/motion sensor and retest.
  7. After repairs, clear codes and operate the system through several cycles to confirm the fault does not return. Re-check live data for correct behavior.
  8. If fault persists with a known-good sensor and wiring, suspect the Power Support control module or software — consult technical service information for module tests, reprogramming or replacement procedures.

Likely causes

  • Connector corrosion or poor contact at the left sensor
  • Open or short in the sensor signal or ground circuit (pin damage, chafing)
  • Sensor internal failure (Hall effect, potentiometer, or encoder fault)
  • Mechanical jam or debris preventing normal movement and causing inconsistent readings

Fault status

⚠️ Status
C1008 — Power Support left position/motion sensor: circuit fault or implausible signal detected. Left Power Support operation may be disabled or limited until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

C1007 C1009 C1010 C1100 C1200
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