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Home / DTC / C112F — Steering Torque Sensor Circuit - Signal Out of Range

C112F — Steering Torque Sensor Circuit - Signal Out of Range

Detailed page for trouble code C112F.

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Code

C112F

LAND ROVER C — Chassis

Steering Torque Sensor Circuit - Signal Out of Range

Brand: LAND ROVER
Type: C — Chassis
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Page language: EN

Causes

  • Open, short to ground, or short to supply in the torque sensor wiring harness
  • Poor or corroded connector(s) at the steering torque sensor or ECU
  • Failed steering torque sensor (internal electronics or Hall sensors)
  • Faulty Steering Control Module / ECU
  • Low or unstable battery/charging system voltage
  • Physical damage to the steering column or sensor mounting causing intermittent/incorrect readings

Symptoms

  • EPS / power steering warning lamp illuminated
  • Partial or total loss of power steering assist (heavier steering)
  • Intermittent steering assist or variable steering feel
  • Steering control module enters reduced-assist / limp mode
  • DTC present in scan tool and possibly other steering-related codes

What to check

  • Read freeze frame and permanent data with a capable scan tool; record live torque sensor values
  • Check for other stored codes (related chassis/communication/power codes)
  • Visually inspect wiring and connectors at the steering torque sensor and ECU for damage, corrosion, or water ingress
  • Measure vehicle battery and charging system voltage (while key ON and cranking)
  • Backprobe sensor connector and measure supply, ground and signal voltages with key ON
  • Perform a wiggle test of the harness/connector while monitoring live data for intermittent changes

Signal parameters

  • Typical sensor supply (Vb) ~5.0 V (verify with vehicle-specific data)
  • Typical resting/output voltage per channel ~2.5 V (ratiometric sensors) — expect mid-rail at no torque
  • Operational signal swing typically within ~0.5–4.5 V depending on torque applied (model dependent)
  • Differential between redundant channels normally small (±0.05–0.2 V); large differences indicate sensor fault
  • CAN/serial torque message update rate typically in the 5–100 Hz range (verify against manufacturer data)

Diagnostic algorithm

  1. Connect a diagnostic scanner, retrieve C112F plus any related codes and freeze frame data. Note vehicle conditions when code set.
  2. Confirm battery voltage is within specification (12.4–14.8 V typical). Charge or repair charging system if low/unstable.
  3. Visually inspect the steering column, torque sensor connector and wiring for damage, corrosion or water entry. Repair any obvious damage.
  4. Backprobe the torque sensor connector: verify reference supply (usually ~5 V), good ground, and signal(s) present with key ON. Compare to ECU pin voltages.
  5. With a scan tool viewing live data, perform a slow steering input and observe torque sensor outputs. Watch for stuck, noisy, out-of-range, or implausible values.
  6. Wiggle the harness and connectors while monitoring live data to reproduce intermittent faults. Repair or secure any wiring that reproduces the issue.
  7. If supply/ground are correct at the sensor but signal is out of range, measure sensor internal resistance (if specified) or substitute a known-good sensor to confirm fault.
  8. If sensor replacement confirms the fault remains, inspect continuity between sensor and ECU pins (check for shorts to ground or battery). Repair wiring as required.
  9. If wiring and sensor check good, test/replace the steering control module per manufacturer procedures. Ensure programming/coding steps are followed after replacement.
  10. Clear codes, perform a road test and re-scan to confirm the fault is resolved and no new faults are present.

Likely causes

  • Connector corrosion / loose pin at torque sensor or steering ECU
  • Damaged wiring (chafe, crushed, broken) between torque sensor and ECU
  • Failed torque sensor (most common component failure for this code)
  • Intermittent supply voltage to sensor (battery/charging issue)
  • Less likely: steering ECU fault

Fault status

⚠️ Status
Steering torque sensor signal out of range. Power assist may be reduced — inspect sensor, wiring and steering control module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-2.5 hours

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413

Browse 413 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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