Code
B2328
LAND ROVER
B — Body
Steering column range feedback potentiometer - failure of circuit
Views:
UK: 0
EN: 7
RU: 4
AI status
Completed
Completed
100%
Causes
- Open, short or intermittent wiring between the steering column potentiometer and the control module
- Corroded or loose connector pins at the sensor or module
- Failed/dirty/damaged steering column range potentiometer (internal wear or water ingress)
- Poor ground or supply voltage to the sensor
- Previous improper repairs or pinched harness after service or collision
- Control module fault (rare)
Symptoms
- SAS/steering warning lamp or other related dash warnings
- Loss or reduction of power steering assist or unstable assist behavior
- Steering angle or memory steering faults (loss of memory settings)
- Intermittent or permanent fault stored in vehicle ECU
- Possible steering column binding or abnormal feel if mechanical damage present
What to check
- Read stored/active DTCs and freeze frame with a capable diagnostic scan tool; record live data for steering column position/range
- Visual inspection of the steering column harness, connectors and routing for chafing, pin damage, corrosion or water entry
- Wiggle test wiring and connectors while observing live data for intermittent changes
- Back-probe connector and verify reference voltage (usually ~5 V) and ground presence with ignition ON
- Measure signal voltage while rotating/operating the steering column to see if output changes smoothly across range
- Check continuity and resistance of sensor wires to the control module (power off) to identify opens or shorts
Signal parameters
- Reference (supply) voltage: typically ~5 V (verify in vehicle manual; measured with ignition ON, engine OFF)
- Signal output: variable voltage typically ~0.5 V to ~4.5 V across full column travel — should change smoothly without jumps
- Resistance (if three‑terminal potentiometer): variable across sensor, typical order of kiloohms (often 5 kΩ–20 kΩ) — consult OEM spec
- Short to ground: signal ~0 V; short to battery: signal ~reference voltage (near 5 V)
- Intermittent: sudden jumps or dropout in signal when moving column or connector is wiggled
Diagnostic algorithm
- Connect a diagnostic scan tool, read and record all stored/active codes and live data for steering column position/range.
- Clear the code and perform a road/garage test to see if the code returns and under what conditions (stationary vs. turning column).
- Visually inspect sensor, connector and harness routing (steering column, under-dash, bulkhead). Look for chafe, pin corrosion, or water ingress.
- Back-probe the sensor connector with ignition ON (engine OFF) and verify reference voltage, ground continuity and signal voltage while moving the column slowly. Compare to expected ranges.
- If signal is absent or frozen at one value, measure continuity from the sensor connector to the steering/control module connector to isolate open/short.
- Perform resistance checks across sensor terminals (power OFF) if the design allows; compare to spec or expected smooth variable resistance while turning column.
- If wiring and connectors are good but signal behavior is incorrect, replace the steering column range potentiometer/sensor.
- After repair, clear codes, perform required steering angle/column calibration or relearn procedure per OEM, then road test to confirm proper operation and verify the code does not return.
- If fault persists despite correct sensor and wiring, consider control module input circuit fault and refer to module-level diagnostics.
Likely causes
- Broken or chafed wire in the harness near the steering column or bulkhead (most common)
- Corroded connector or bent pin at the column sensor
- Sensor internal failure from wear or contamination
- Short to ground or to battery voltage in the signal or reference wire
- Intermittent contact from steering column movement or bolt torque causing connector stress
Fault status
Status
Steering column range feedback potentiometer circuit — open, short, out of range or intermittent signal detected.
Repair difficulty: Medium
Diagnostic time: 1.0–2.5 hours
Similar codes
Workshop Manuals
Repair manuals for LAND ROVER
3
Land Rover Defender 300Tdi — Workshop Manual (1996 model year)
Workshop ManualLand Rover Defender Workshop Manual Supplement & Body Repair Manual (1999 & 2002 MY)
Workshop ManualLand Rover Range Rover — Electrical Library (LRL 0453ENG, 2002)
Workshop ManualYour experience will help others
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Code
B2328
Other
B — Body
Column Reach Feedback Potentiometer Circuit Failure
Views:
UK: 11
EN: 21
RU: 30
AI status
Completed
Completed
100%
Causes
- Open, short or intermittent wiring between the steering column potentiometer and the control module
- Corroded or loose connector pins at the sensor or module
- Failed/dirty/damaged steering column range potentiometer (internal wear or water ingress)
- Poor ground or supply voltage to the sensor
- Previous improper repairs or pinched harness after service or collision
- Control module fault (rare)
Symptoms
- SAS/steering warning lamp or other related dash warnings
- Loss or reduction of power steering assist or unstable assist behavior
- Steering angle or memory steering faults (loss of memory settings)
- Intermittent or permanent fault stored in vehicle ECU
- Possible steering column binding or abnormal feel if mechanical damage present
What to check
- Read stored/active DTCs and freeze frame with a capable diagnostic scan tool; record live data for steering column position/range
- Visual inspection of the steering column harness, connectors and routing for chafing, pin damage, corrosion or water entry
- Wiggle test wiring and connectors while observing live data for intermittent changes
- Back-probe connector and verify reference voltage (usually ~5 V) and ground presence with ignition ON
- Measure signal voltage while rotating/operating the steering column to see if output changes smoothly across range
- Check continuity and resistance of sensor wires to the control module (power off) to identify opens or shorts
Signal parameters
- Reference (supply) voltage: typically ~5 V (verify in vehicle manual; measured with ignition ON, engine OFF)
- Signal output: variable voltage typically ~0.5 V to ~4.5 V across full column travel — should change smoothly without jumps
- Resistance (if three‑terminal potentiometer): variable across sensor, typical order of kiloohms (often 5 kΩ–20 kΩ) — consult OEM spec
- Short to ground: signal ~0 V; short to battery: signal ~reference voltage (near 5 V)
- Intermittent: sudden jumps or dropout in signal when moving column or connector is wiggled
Diagnostic algorithm
- Connect a diagnostic scan tool, read and record all stored/active codes and live data for steering column position/range.
- Clear the code and perform a road/garage test to see if the code returns and under what conditions (stationary vs. turning column).
- Visually inspect sensor, connector and harness routing (steering column, under-dash, bulkhead). Look for chafe, pin corrosion, or water ingress.
- Back-probe the sensor connector with ignition ON (engine OFF) and verify reference voltage, ground continuity and signal voltage while moving the column slowly. Compare to expected ranges.
- If signal is absent or frozen at one value, measure continuity from the sensor connector to the steering/control module connector to isolate open/short.
- Perform resistance checks across sensor terminals (power OFF) if the design allows; compare to spec or expected smooth variable resistance while turning column.
- If wiring and connectors are good but signal behavior is incorrect, replace the steering column range potentiometer/sensor.
- After repair, clear codes, perform required steering angle/column calibration or relearn procedure per OEM, then road test to confirm proper operation and verify the code does not return.
- If fault persists despite correct sensor and wiring, consider control module input circuit fault and refer to module-level diagnostics.
Likely causes
- Broken or chafed wire in the harness near the steering column or bulkhead (most common)
- Corroded connector or bent pin at the column sensor
- Sensor internal failure from wear or contamination
- Short to ground or to battery voltage in the signal or reference wire
- Intermittent contact from steering column movement or bolt torque causing connector stress
Fault status
Status
Steering column range feedback potentiometer circuit — open, short, out of range or intermittent signal detected.
Repair difficulty: Medium
Diagnostic time: 1.0–2.5 hours
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+100 karma for a short comment :)
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