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Home / DTC / C1110 — Hydraulic steering calibration data

C1110 — Hydraulic steering calibration data

Detailed page for trouble code C1110.

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C1110

LAND ROVER C — Chassis

Hydraulic steering calibration data

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

Causes

  • Lost or corrupted calibration data in the hydraulic steering control module
  • Battery disconnects, low battery voltage or power interruption during a calibration or software update
  • Faulty or replacement steering control module (software mismatch or memory fault)
  • Faulty steering angle sensor, torque sensor or associated sensors used for calibration
  • Damaged wiring, poor connectors or lost CAN/bus communication to related modules
  • Failed hydraulic pump, pressure sensor or flow issues affecting calibration

Symptoms

  • Steering warning lamp or message displayed on dash (service steering, reduced assist)
  • Reduced, no or inconsistent steering assistance
  • Steering feel changed or uneven assist at different speeds
  • Diagnostic trouble codes present in steering/hydraulic control module and possibly other modules
  • Vehicle may enter limp or safe mode for steering assist

What to check

  • Read stored DTCs and freeze-frame data from steering/hydraulic module and related modules (ABS, BCM, ECM)
  • Check vehicle service history for recent battery replacement, module replacement or software update
  • Check battery voltage and charging system; inspect for recent low-voltage events
  • Inspect connectors and wiring at the hydraulic steering module, steering angle sensor and pump
  • Check hydraulic fluid level and condition (if applicable) and visually inspect pump and hoses for leaks
  • Verify CAN bus communication to the steering module using a capable scan tool

Signal parameters

  • Steering control module calibration status / learned parameters flag
  • Battery voltage (system voltage) during key-on and engine running
  • Steering angle sensor raw angle and offset values
  • Torque sensor/couple output (driver torque request) and zero offset
  • Hydraulic pump pressure and pump current draw
  • Module supply and ground integrity (module voltages)

Diagnostic algorithm

  1. Retrieve and record all stored DTCs and freeze-frame data from the steering/hydraulic module and related control modules (ABS, BCM, ECM). Note any communication U-codes.
  2. Verify battery voltage is healthy (13.0–14.5 V with engine running). Recharge or replace weak battery before further diagnostics. Confirm no recent power interruptions occurred during updates or calibration.
  3. Inspect wiring and connectors for damage, corrosion or poor pin contact at the hydraulic steering module, steering angle sensor and pump. Repair any issues found.
  4. Confirm the steering angle sensor and torque sensor values are plausible with the steering straight and wheels centered. If out of range or showing large offsets, perform sensor self-calibration per manufacturer procedure or replace sensor if it will not calibrate.
  5. Verify CAN bus communications: ensure the steering module is online and exchanging messages. Address any lost-communication codes (e.g., U0121 / U0100) before proceeding.
  6. Check hydraulic system: fluid level, pump operation, pressure sensor readings and pump current. Repair hydraulic faults that could affect calibration.
  7. Attempt to clear the code and perform the prescribed steering/hydraulic module calibration or learning procedure using an OEM-capable diagnostic tool. Follow the manufacturer's step-by-step service procedure — do not improvise calibrations.
  8. After calibration, erase codes and perform a road test to confirm steering assist returns to normal and the code does not reappear. Monitor live data for stable parameters.
  9. If the code returns despite correct wiring, sensors and a proper calibration attempt, consider module software reflash (per manufacturer) or replacement of the hydraulic steering control module.
  10. After repair or module replacement, repeat calibration and verify system operation and that no related DTCs remain.

Likely causes

  • Battery was disconnected or vehicle battery was too low during a calibration or software update
  • Control module was replaced or reprogrammed and calibration was not performed
  • Intermittent or failed communication on CAN bus to steering-related modules
  • Steering angle or torque sensor out of range or not calibrated

Fault status

⚠️ Status
Hydraulic steering calibration data invalid or missing — calibration required. Steering assist may be reduced or disabled until resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1–3 hours

Similar codes

C1100 C1114 U0121 U0100 U0140
320

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