B1D70

Code

LAND ROVER B — Body

Right headlight rotation feedback sensor circuit

Brand: LAND ROVER

Type: B — Body

Views: UK: 19 EN: 24 RU: 18

AI status

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Page language: EN

Causes

Open, shorted or corroded wiring between sensor and control module
Poor or corroded connector at headlight or module
Failed headlight rotation/position sensor (potentiometer or Hall sensor)
Failed headlight actuator/motor or mechanical binding
Faulty body/lighting control module or software fault
Water ingress or physical damage to headlamp assembly

Symptoms

Adaptive headlight/steering-linked function disabled for right lamp
Dashboard warning message or lamp for headlight system
Right headlight does not move or moves incorrectly during aim/level procedures
Asymmetric beam pattern or incorrect aim on right side
DTC stored and may reappear after clearing

What to check

Read freeze frame and full DTC list; note related codes for left headlamp or communications
Visually inspect right headlamp assembly, connectors and wiring for damage, corrosion or water ingress
Check fuses and grounds related to headlamp/lighting control module
Use OEM diagnostic tool to command headlight rotation/aim and watch for movement and feedback
Backprobe sensor connector while commanding actuator to observe signal behavior
Wiggle test wiring and connector while monitoring live data for intermittent faults

Signal parameters

Typical sensor arrangement: 3-wire (5V reference, ground, signal) or 2-wire potentiometer—expect stable analog voltage proportional to angle
Expected signal voltage (typical): ~0.5–4.5 V across sweep (model dependent) when actuator moves
If CAN/serial feedback is used, expect position message updates when commanding actuator; loss of updates indicates fault
Resistance or continuity between sensor ground and chassis ground should be near zero; reference supply should be present when ignition on

Diagnostic algorithm

Retrieve and record DTC(s) and freeze-frame data with a diagnostic scan tool.
Visually inspect right headlamp, seals, connector and harness for damage, corrosion or moisture. Repair any obvious issues.
With ignition ON, backprobe the sensor connector: verify reference voltage present, good ground and that signal voltage changes while commanding headlight rotation via diagnostic tool.
Command the actuator/rotation through the diagnostic tool. Observe mechanical movement and the feedback signal simultaneously. Note any binding or no movement.
Perform wiggle tests on wiring and connector while monitoring signal to find intermittent faults.
If no proper signal but reference/ground present, disconnect sensor and measure sensor resistance (if applicable) per service data; replace sensor/actuator if out of spec.
If signal and sensor check OK, inspect/repair wiring between headlamp and control module; check for shorts to voltage or ground.
If wiring and sensor are good, investigate body/lighting control module: check for related communication errors (U-codes) and consider module reflash or replacement per manufacturer guidance.
After repair or replacement, clear DTCs, perform headlamp aim calibration/relearn if required, and test drive/operate system to confirm the fault is gone.

Likely causes

Damaged wiring or connector at the right headlamp
Failed position feedback sensor inside the headlamp actuator
Seized or mechanically restricted headlamp swivel motor
Intermittent connector/poor ground causing intermittent signal

Fault status

⚠️ Status

Right headlight rotation feedback sensor circuit: control module detected missing, out-of-range or implausible position feedback from the right headlamp rotation sensor.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 0.5-2.0 hours

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Repair manuals

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

LAND ROVER

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