P2065

Code

LAND ROVER P — Powertrain

Fuel Level Sensor B Circuit

Brand: LAND ROVER

Type: P — Powertrain

Views: UK: 29 EN: 51 RU: 22

AI status

Completed

ready

Completed 100%

Page language: EN

Causes

Open or short circuit in fuel level sensor B wiring
Corroded or loose connector at the fuel tank module or ECM
Faulty fuel level sender (tank module) — sensor B element
Poor tank or module grounding or power supply issue
Water or fuel intrusion causing intermittent connections
Pinched/chafed wiring from body/tank movement or aftermarket work

Symptoms

Fuel gauge reading erratic, stuck, or indicating empty/full incorrectly
MIL/Check Engine Light illuminated and code P2065 stored
Inconsistent fuel level displayed in instrument cluster or vehicle telemetry
Possible no communication or implausible values in scan tool live data for fuel level B

What to check

Retrieve freeze frame and readiness data with a diagnostic scanner; record fuel level and live data for sensor B
Visually inspect connectors and wiring at the fuel tank module, junctions and ECM for corrosion, damage or loose pins
Check for water/fuel contamination in the sender connector and inside tank-access area
Wiggle harness/connectors while watching live data to reproduce intermittent faults
Consult manufacturer wiring diagram to identify supply, ground and signal pins for sensor B

Signal parameters

Reference/supply voltage: typically a regulated 5 V reference from the module (verify with service data)
Signal voltage: varies with tank level (commonly ~0.5–4.5 V across empty→full); reading out of range flags a fault
Sender resistance: variable resistance type — resistance changes as float moves (consult vehicle-specific service data for exact ohm range)

Diagnostic algorithm

Follow manufacturer safety procedures; relieve fuel system pressure and isolate electrical power if accessing tank module wiring
Connect a diagnostic scanner and confirm P2065 is current or historic; view live data for Fuel Level Sensor B while operating float (if accessible)
Perform visual inspection of the sender connector, harness, and chassis/tank ground. Repair any obvious damage or corrosion
Backprobing: with ignition ON (engine off), check for reference voltage at the sender connector reference pin and good ground continuity to chassis ground
Measure signal voltage at connector while changing fuel level or moving float (careful when accessing inside tank). Signal should move smoothly without dropout — if fixed or out-of-range, suspect sender or wiring
If no reference or ground, trace and repair supply/ground wiring back to fuse/ECM; check fuses/relays protecting the circuit
Perform resistance/continuity check between sender signal pin and ECM input to find opens/shorts. Repair wiring faults and re-test
If wiring and connector are good but signal/sender resistance remains incorrect, remove and bench-test or replace the fuel tank module/sender (follow safe fuel-handling procedures and manufacturer instructions)
If sender and wiring test good, inspect ECM/PCM input and related grounds; substitute or reprogram ECM only after all other causes eliminated and per manufacturer guidance
Clear codes and road-test; confirm code does not return and that live data and instrument cluster readings are normal

Likely causes

Corroded/loose connector at tank module or inline connector
Open or shorted wiring to sensor B (rubbed through, chafed, or disconnected)
Failed fuel level sender element in the tank module

Fault status

⚠️ Status

Diagnostic Trouble Code P2065 — Fuel Level Sensor B Circuit. The control module detected an invalid or out-of-range signal from the secondary fuel level sender circuit. May set MIL and store freeze frame/live data; further diagnosis required to locate wiring, connector, or sender fault.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 1-2 hours

Similar codes

Repair manuals

Manual library for LAND ROVER

413

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

LAND ROVER

Your experience will help others

+100 karma for a short comment :)

Was this AI description helpful?

Your feedback helps improve AI descriptions.

👍 Like 0 👎 Dislike 0

Send to email