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Home / DTC / B134A — Sight verification - Horizontal alignment of the camera

B134A — Sight verification - Horizontal alignment of the camera

Detailed page for trouble code B134A.

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Code

B134A

LAND ROVER B — Body

Sight verification - Horizontal alignment of the camera

Brand: LAND ROVER
Type: B — Body
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Camera physically misaligned due to impact, windshield replacement, or loose mount
  • Incomplete or failed camera calibration procedure
  • Faulty camera module (internal fault)
  • Damaged wiring, poor connector, or corrosion on camera/CAN power/data lines
  • Incorrect vehicle ride height or suspension changes affecting camera reference
  • Steering angle sensor, yaw sensor, or other reference sensor fault or mismatch

Symptoms

  • Dash warning or message related to camera/calibration (e.g., 'Camera not calibrated', 'Sight verification failed')
  • Lane keep/assist, traffic sign recognition, auto high beam or other camera-dependent features degraded or disabled
  • Unreliable lane detection or false lane departure alerts
  • Adaptive driving aids may be unavailable or degraded after start-up

What to check

  • Read ECU and camera module fault memory with a Land Rover-compatible diagnostic tool; record freeze frame and status data
  • Visually inspect camera housing, mount, and windshield area for damage, gap, or misalignment
  • Check connectors at camera module for corrosion, loose pins, or water ingress
  • Confirm vehicle ride height and suspension condition (vehicle on level ground)
  • Verify battery condition and charging voltage (12–14.5 V) during diagnostic/calibration attempt
  • Check for outstanding software updates or Technical Service Bulletins (TSBs) related to camera calibration

Signal parameters

  • Camera horizontal offset (yaw) — expected close to 0°; tolerance per factory data (typically within ±1° to ±3°), verify exact spec in Land Rover service data
  • Camera calibration status flag — values: calibrated / uncalibrated / verification failed
  • Camera module supply voltage — nominal 11–14.5 V during operation/calibration
  • CAN bus error/count — should be 0 errors between camera and gateway/module
  • Steering angle sensor offset — check value and compare to expected center (should correlate with camera yaw)
  • Vehicle roll/pitch/height readings — must be within allowed range for calibration to succeed

Diagnostic algorithm

  1. Safety and preparation: Park vehicle on level surface, wheels pointed straight ahead, set parking brake, ensure battery fully charged or connect battery maintainer.
  2. Retrieve codes and module data: Use dealer-level diagnostic tool to read B134A and any related DTCs from camera and ADAS modules; note freeze-frame and last calibration timestamp.
  3. Inspect physically: Check camera mount, housing, windshield area for cracks, replaced glass, or mis-seated camera. Inspect wiring harness and connectors for damage or corrosion.
  4. Verify vehicle conditions: Ensure vehicle ride height, tire pressures, and steering are centered. Verify steering angle sensor is calibrated and reports 0° at straight ahead.
  5. Check signals: Using the diagnostic tool, monitor camera horizontal offset, calibration status, module voltage, and CAN health. Compare values to factory tolerances.
  6. Attempt software checks: Check for and apply any relevant software or calibration data updates for the camera/ADAS modules per Land Rover service information.
  7. Re-run automatic sight verification/calibration: Perform the manufacturer-recommended camera alignment/calibration procedure (static or dynamic as specified). Follow required targets, distances, and conditions exactly.
  8. If calibration fails: Swap scope/check for missing CAN frames, continuity testing of power, ground and data lines to camera, inspect backbone connectors. Repair any wiring or connector faults.
  9. Replace or repair: If camera module is faulty and wiring/vehicle conditions are good, replace camera module and perform required calibration and module configuration.
  10. Verify repair: Clear codes, re-run verification/calibration, confirm camera status is 'calibrated' and perform a test drive to confirm ADAS functions operate correctly.
  11. Note: Always follow Land Rover factory service procedures and safety guidelines; some calibrations require OEM targets and tools.

Likely causes

  • Camera was disturbed or replaced and not re-calibrated
  • Failed or incomplete calibration procedure
  • Loose/damaged camera connector or wiring harness

Fault status

⚠️ Status
Sight verification failed: horizontal (left-right) alignment of the camera is out of tolerance or could not be verified.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

B134B B1300 B12A0 U0401 C1234
320

Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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