Code
P0462
Generic
P — Powertrain
Fuel Level Sensor A Circuit Low
AI status
Completed
Completed
100%
Causes
- Short to ground in fuel level sensor A signal wire
- Failed/shorted fuel level sending unit (in-tank sender)
- Corroded, loose or contaminated connector at the sender
- Broken or chafed wiring harness between sender and PCM
- Poor or missing ground or reference voltage to sender
- PCM input fault (rare)
Symptoms
- Fuel gauge reads empty or very low regardless of actual fuel level
- Incorrect distance-to-empty or fuel range readout
- Malfunction Indicator Lamp (MIL) or warning light illuminated (code present)
- Possible fuel system warnings on cluster
- No drivability symptoms in many cases (electrical only)
What to check
- Confirm code with a scan tool and record freeze-frame data and digital PID for fuel level
- Visually inspect connector and wiring at the fuel tank/sender for corrosion, damage, or fuel intrusion
- Backprobe sender connector and measure signal voltage with ignition ON and while moving the float
- Check for reference voltage from PCM (often ~5 V) and a good ground at the sender connector
- Measure continuity and resistance between sender signal and PCM pin; check for short to chassis ground
- Compare sender resistance/voltage to expected range while moving float (or remove sender for bench test)
Signal parameters
- Typical sender signal: approx. 0.5–4.5 V (varies by design); ‘low’ condition is near 0 V
- Some vehicles use a variable resistance sender: typical ranges ~10–240 ohms or 0–90 ohms depending on design
- Reference voltage from PCM commonly ~5 V (verify OEM spec)
- Open-circuit: no signal / infinite resistance; short-to-ground: very low resistance (< a few ohms) or 0 V
Diagnostic algorithm
- Verify DTC and read live data (fuel level PID). Note if the fuel level shows near 0% or a static low value.
- Inspect the harness and connector at the fuel tank for corrosion, bent pins, or signs of fuel/water contamination.
- With ignition ON (engine OFF), backprobe the sender connector: measure signal voltage and reference voltage. Low signal with proper reference suggests sender or short to ground.
- Move the sender float (or gently lift the tank float if accessible) while watching the signal; resistance/voltage should change smoothly. If it does not, suspect a faulty sender.
- Perform continuity and resistance checks: between sender signal pin and PCM input pin; between signal pin and chassis ground (to check for short).
- If wiring checks are good, remove the sender (follow safe fuel tank procedures) and bench-test sender resistance/voltage across its range per OEM spec; replace if out of spec.
- Repair any damaged wiring, clean/replace corroded connectors, and secure proper grounds. Reinstall and clear codes.
- After repair, confirm the fix by monitoring live data while operating fuel gauge and performing a test drive or cycling the vehicle as required to see if the code returns.
Likely causes
- Water/fuel intrusion corroded connector at fuel tank
- Sender float stuck at empty or mechanically damaged
- Wire pinched and shorted to tank or chassis ground
- Aftermarket installation damage (fuel pump/sender replacement)
- Intermittent ground due to loose chassis or tank ground strap
Fault status
Status
PCM detected a low voltage/low signal from Fuel Level Sensor A circuit (below threshold). Indicates possible short to ground, failed sender, connector/harness problem, or poor ground/reference.
Repair difficulty: Medium
Diagnostic time: 0.5-3.0 hours
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Repair manuals
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Code
P0462
GWM
P — Powertrain
- Low fuel level sensor
AI status
Completed
Completed
100%
Causes
- Short to ground in fuel level sensor A signal wire
- Failed/shorted fuel level sending unit (in-tank sender)
- Corroded, loose or contaminated connector at the sender
- Broken or chafed wiring harness between sender and PCM
- Poor or missing ground or reference voltage to sender
- PCM input fault (rare)
Symptoms
- Fuel gauge reads empty or very low regardless of actual fuel level
- Incorrect distance-to-empty or fuel range readout
- Malfunction Indicator Lamp (MIL) or warning light illuminated (code present)
- Possible fuel system warnings on cluster
- No drivability symptoms in many cases (electrical only)
What to check
- Confirm code with a scan tool and record freeze-frame data and digital PID for fuel level
- Visually inspect connector and wiring at the fuel tank/sender for corrosion, damage, or fuel intrusion
- Backprobe sender connector and measure signal voltage with ignition ON and while moving the float
- Check for reference voltage from PCM (often ~5 V) and a good ground at the sender connector
- Measure continuity and resistance between sender signal and PCM pin; check for short to chassis ground
- Compare sender resistance/voltage to expected range while moving float (or remove sender for bench test)
Signal parameters
- Typical sender signal: approx. 0.5–4.5 V (varies by design); ‘low’ condition is near 0 V
- Some vehicles use a variable resistance sender: typical ranges ~10–240 ohms or 0–90 ohms depending on design
- Reference voltage from PCM commonly ~5 V (verify OEM spec)
- Open-circuit: no signal / infinite resistance; short-to-ground: very low resistance (< a few ohms) or 0 V
Diagnostic algorithm
- Verify DTC and read live data (fuel level PID). Note if the fuel level shows near 0% or a static low value.
- Inspect the harness and connector at the fuel tank for corrosion, bent pins, or signs of fuel/water contamination.
- With ignition ON (engine OFF), backprobe the sender connector: measure signal voltage and reference voltage. Low signal with proper reference suggests sender or short to ground.
- Move the sender float (or gently lift the tank float if accessible) while watching the signal; resistance/voltage should change smoothly. If it does not, suspect a faulty sender.
- Perform continuity and resistance checks: between sender signal pin and PCM input pin; between signal pin and chassis ground (to check for short).
- If wiring checks are good, remove the sender (follow safe fuel tank procedures) and bench-test sender resistance/voltage across its range per OEM spec; replace if out of spec.
- Repair any damaged wiring, clean/replace corroded connectors, and secure proper grounds. Reinstall and clear codes.
- After repair, confirm the fix by monitoring live data while operating fuel gauge and performing a test drive or cycling the vehicle as required to see if the code returns.
Likely causes
- Water/fuel intrusion corroded connector at fuel tank
- Sender float stuck at empty or mechanically damaged
- Wire pinched and shorted to tank or chassis ground
- Aftermarket installation damage (fuel pump/sender replacement)
- Intermittent ground due to loose chassis or tank ground strap
Fault status
Status
PCM detected a low voltage/low signal from Fuel Level Sensor A circuit (below threshold). Indicates possible short to ground, failed sender, connector/harness problem, or poor ground/reference.
Repair difficulty: Medium
Diagnostic time: 0.5-3.0 hours
Similar codes
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Code
P0462
HUMMER
P — Powertrain
Fuel Level Sensor Circuit Low Voltage
AI status
Completed
Completed
100%
Causes
- Short to ground in fuel level sensor A signal wire
- Failed/shorted fuel level sending unit (in-tank sender)
- Corroded, loose or contaminated connector at the sender
- Broken or chafed wiring harness between sender and PCM
- Poor or missing ground or reference voltage to sender
- PCM input fault (rare)
Symptoms
- Fuel gauge reads empty or very low regardless of actual fuel level
- Incorrect distance-to-empty or fuel range readout
- Malfunction Indicator Lamp (MIL) or warning light illuminated (code present)
- Possible fuel system warnings on cluster
- No drivability symptoms in many cases (electrical only)
What to check
- Confirm code with a scan tool and record freeze-frame data and digital PID for fuel level
- Visually inspect connector and wiring at the fuel tank/sender for corrosion, damage, or fuel intrusion
- Backprobe sender connector and measure signal voltage with ignition ON and while moving the float
- Check for reference voltage from PCM (often ~5 V) and a good ground at the sender connector
- Measure continuity and resistance between sender signal and PCM pin; check for short to chassis ground
- Compare sender resistance/voltage to expected range while moving float (or remove sender for bench test)
Signal parameters
- Typical sender signal: approx. 0.5–4.5 V (varies by design); ‘low’ condition is near 0 V
- Some vehicles use a variable resistance sender: typical ranges ~10–240 ohms or 0–90 ohms depending on design
- Reference voltage from PCM commonly ~5 V (verify OEM spec)
- Open-circuit: no signal / infinite resistance; short-to-ground: very low resistance (< a few ohms) or 0 V
Diagnostic algorithm
- Verify DTC and read live data (fuel level PID). Note if the fuel level shows near 0% or a static low value.
- Inspect the harness and connector at the fuel tank for corrosion, bent pins, or signs of fuel/water contamination.
- With ignition ON (engine OFF), backprobe the sender connector: measure signal voltage and reference voltage. Low signal with proper reference suggests sender or short to ground.
- Move the sender float (or gently lift the tank float if accessible) while watching the signal; resistance/voltage should change smoothly. If it does not, suspect a faulty sender.
- Perform continuity and resistance checks: between sender signal pin and PCM input pin; between signal pin and chassis ground (to check for short).
- If wiring checks are good, remove the sender (follow safe fuel tank procedures) and bench-test sender resistance/voltage across its range per OEM spec; replace if out of spec.
- Repair any damaged wiring, clean/replace corroded connectors, and secure proper grounds. Reinstall and clear codes.
- After repair, confirm the fix by monitoring live data while operating fuel gauge and performing a test drive or cycling the vehicle as required to see if the code returns.
Likely causes
- Water/fuel intrusion corroded connector at fuel tank
- Sender float stuck at empty or mechanically damaged
- Wire pinched and shorted to tank or chassis ground
- Aftermarket installation damage (fuel pump/sender replacement)
- Intermittent ground due to loose chassis or tank ground strap
Fault status
Status
PCM detected a low voltage/low signal from Fuel Level Sensor A circuit (below threshold). Indicates possible short to ground, failed sender, connector/harness problem, or poor ground/reference.
Repair difficulty: Medium
Diagnostic time: 0.5-3.0 hours
Similar codes
Repair manuals
Manual library for HUMMER
138
Browse 138 HUMMER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.
HUMMER
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HUMMER: 2009
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HUMMER: 2008
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HUMMER: 2007
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HUMMER: 2005
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HUMMER: 2004
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HUMMER: 2000
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HUMMER: 1999
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-
HUMMER: 1993
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Code
P0462
LAND ROVER
P — Powertrain
Low input of fuel level sensor
AI status
Completed
Completed
100%
Causes
- Short to ground in fuel level sensor A signal wire
- Failed/shorted fuel level sending unit (in-tank sender)
- Corroded, loose or contaminated connector at the sender
- Broken or chafed wiring harness between sender and PCM
- Poor or missing ground or reference voltage to sender
- PCM input fault (rare)
Symptoms
- Fuel gauge reads empty or very low regardless of actual fuel level
- Incorrect distance-to-empty or fuel range readout
- Malfunction Indicator Lamp (MIL) or warning light illuminated (code present)
- Possible fuel system warnings on cluster
- No drivability symptoms in many cases (electrical only)
What to check
- Confirm code with a scan tool and record freeze-frame data and digital PID for fuel level
- Visually inspect connector and wiring at the fuel tank/sender for corrosion, damage, or fuel intrusion
- Backprobe sender connector and measure signal voltage with ignition ON and while moving the float
- Check for reference voltage from PCM (often ~5 V) and a good ground at the sender connector
- Measure continuity and resistance between sender signal and PCM pin; check for short to chassis ground
- Compare sender resistance/voltage to expected range while moving float (or remove sender for bench test)
Signal parameters
- Typical sender signal: approx. 0.5–4.5 V (varies by design); ‘low’ condition is near 0 V
- Some vehicles use a variable resistance sender: typical ranges ~10–240 ohms or 0–90 ohms depending on design
- Reference voltage from PCM commonly ~5 V (verify OEM spec)
- Open-circuit: no signal / infinite resistance; short-to-ground: very low resistance (< a few ohms) or 0 V
Diagnostic algorithm
- Verify DTC and read live data (fuel level PID). Note if the fuel level shows near 0% or a static low value.
- Inspect the harness and connector at the fuel tank for corrosion, bent pins, or signs of fuel/water contamination.
- With ignition ON (engine OFF), backprobe the sender connector: measure signal voltage and reference voltage. Low signal with proper reference suggests sender or short to ground.
- Move the sender float (or gently lift the tank float if accessible) while watching the signal; resistance/voltage should change smoothly. If it does not, suspect a faulty sender.
- Perform continuity and resistance checks: between sender signal pin and PCM input pin; between signal pin and chassis ground (to check for short).
- If wiring checks are good, remove the sender (follow safe fuel tank procedures) and bench-test sender resistance/voltage across its range per OEM spec; replace if out of spec.
- Repair any damaged wiring, clean/replace corroded connectors, and secure proper grounds. Reinstall and clear codes.
- After repair, confirm the fix by monitoring live data while operating fuel gauge and performing a test drive or cycling the vehicle as required to see if the code returns.
Likely causes
- Water/fuel intrusion corroded connector at fuel tank
- Sender float stuck at empty or mechanically damaged
- Wire pinched and shorted to tank or chassis ground
- Aftermarket installation damage (fuel pump/sender replacement)
- Intermittent ground due to loose chassis or tank ground strap
Fault status
Status
PCM detected a low voltage/low signal from Fuel Level Sensor A circuit (below threshold). Indicates possible short to ground, failed sender, connector/harness problem, or poor ground/reference.
Repair difficulty: Medium
Diagnostic time: 0.5-3.0 hours
Similar codes
Repair manuals
Manual library for LAND ROVER
320
Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.
LAND ROVER
-
LAND ROVER: 2022
-
Defender
- 90
- 90
- 90 S
- 90 S
- 90 V8
- 90 V8
- 90 V8 Carpathian Edition
- 90 V8 Carpathian Edition
- 90 X
- 90 X
- 90 X-Dynamic HSE
- 90 X-Dynamic HSE
- 90 X-Dynamic S
- 90 X-Dynamic S
- 90 X-Dynamic SE
- 90 X-Dynamic SE
- 110
- 110
- 110 S
- 110 S
- 110 SE
- 110 SE
- 110 V8
- 110 V8
- 110 V8 Carpathian Edition
- 110 V8 Carpathian Edition
- 110 X
- 110 X
- 110 X-Dynamic SE
- 110 X-Dynamic SE
- 110 XS Edition
- 110 XS Edition
-
Discovery
- R-Dynamic HSE
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Discovery R-Dynamic S
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Discovery R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Discovery R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Discovery R-Dynamic S
- S
- S
-
Discovery Sport
-
Range Rover
- Autobiography, 4.4L Eng VIN 7 · 4.4L Eng VIN 72022: Range Rover Autobiography
- Autobiography, 4.4L Eng VIN 7 · 4.4L Eng VIN 72022: Range Rover Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2022: Range Rover Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2022: Range Rover Autobiography
- 2022 Range Rover Base
- 2022 Range Rover Base
- First Edition
- First Edition
- HSE Westminster, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover HSE Westminster
- HSE Westminster, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover HSE Westminster
- HSE Westminster, 5.0L Eng VIN E · 5.0L Eng VIN E2022: Range Rover HSE Westminster
- HSE Westminster, 5.0L Eng VIN E · 5.0L Eng VIN E2022: Range Rover HSE Westminster
- SE, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover SE
- SE, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover SE
- SE, 4.4L Eng VIN 7 · 4.4L Eng VIN 72022: Range Rover SE
- SE, 4.4L Eng VIN 7 · 4.4L Eng VIN 72022: Range Rover SE
- SV
- SV
- SVAutobiography
- SVAutobiography
- SVAutobiography Dynamic
- SVAutobiography Dynamic
- SVAutobiography Dynamic Blk.
- SVAutobiography Dynamic Blk.
-
Range Rover Evoque
-
Range Rover Velar
- R-Dynamic HSE
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Range Rover Velar R-Dynamic S
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover Velar R-Dynamic S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Range Rover Velar S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Range Rover Velar S
- S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover Velar S
- S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover Velar S
-
-
LAND ROVER: 2021
-
Discovery
- R-Dynamic HSE
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Discovery R-Dynamic S
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Discovery R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Discovery R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Discovery R-Dynamic S
- S
- S
-
Discovery Sport
-
Range Rover
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Autobiography
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Autobiography
- Autobiography Fifty Edition
- Autobiography Fifty Edition
- 2021 Range Rover Base
- 2021 Range Rover Base
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover HSE
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover HSE
- HSE Westminster, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover HSE Westminster
- HSE Westminster, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover HSE Westminster
- HSE Westminster, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover HSE Westminster
- HSE Westminster, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover HSE Westminster
- SVAutobiography
- SVAutobiography
- SVAutobiography Dynamic
- SVAutobiography Dynamic
- SVAutobiography Dynamic Blk.
- SVAutobiography Dynamic Blk.
-
Range Rover Evoque
-
Range Rover Sport
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography Dynamic
- HSE Dynamic
- HSE Dynamic
- HSE Silver Edition, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Sport HSE Silver Edition
- HST
- HST
- SE
- SE
- SVR
- SVR
- SVR Carbon Edition
- SVR Carbon Edition
-
Range Rover Velar
- R-Dynamic HSE
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Range Rover Velar R-Dynamic S
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Velar R-Dynamic S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Range Rover Velar S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Range Rover Velar S
- S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Velar S
- S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Velar S
-
LAND ROVER: 2020
-
Defender
- 90 First Edition
- 90 First Edition
- 110 First Edition
- 110 First Edition
- 110 HSE
- 110 HSE
- 110 S
- 110 S
- 110 SE
- 110 SE
- 110 X
- 110 X
- 110, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Defender 110
- 110, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Defender 110
- 110, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Defender 110
- 110, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Defender 110
-
Discovery
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE
- HSE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE
- HSE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE
- HSE Luxury, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE Luxury
- HSE Luxury, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE Luxury
- HSE Luxury, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE Luxury
- HSE Luxury, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE Luxury
- Landmark
- Landmark
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery SE
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery SE
- SE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery SE
- SE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery SE
-
Range Rover
- Autobiography
- Autobiography
- Base, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Base
- Base, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Base
- Base, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Base
- Base, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Base
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover HSE
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover HSE
- SVAutobiography
- SVAutobiography
- SVAutobiography Dynamic
- SVAutobiography Dynamic
-
Range Rover Evoque
-
Range Rover Sport
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport Autobiography Dynamic
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport HSE
- HSE Dynamic
- HSE Dynamic
- HSE PHEV
- HSE PHEV
- HST
- HST
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport SE
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport SE
- SE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport SE
- SE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport SE
- SVR
- SVR
-
Range Rover Velar
- R-Dynamic HSE
- R-Dynamic HSE
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Code
P0462
MITSUBISHI
P — Powertrain
Fuel level sensor low
AI status
Completed
Completed
100%
Causes
- Short to ground in fuel level sensor A signal wire
- Failed/shorted fuel level sending unit (in-tank sender)
- Corroded, loose or contaminated connector at the sender
- Broken or chafed wiring harness between sender and PCM
- Poor or missing ground or reference voltage to sender
- PCM input fault (rare)
Symptoms
- Fuel gauge reads empty or very low regardless of actual fuel level
- Incorrect distance-to-empty or fuel range readout
- Malfunction Indicator Lamp (MIL) or warning light illuminated (code present)
- Possible fuel system warnings on cluster
- No drivability symptoms in many cases (electrical only)
What to check
- Confirm code with a scan tool and record freeze-frame data and digital PID for fuel level
- Visually inspect connector and wiring at the fuel tank/sender for corrosion, damage, or fuel intrusion
- Backprobe sender connector and measure signal voltage with ignition ON and while moving the float
- Check for reference voltage from PCM (often ~5 V) and a good ground at the sender connector
- Measure continuity and resistance between sender signal and PCM pin; check for short to chassis ground
- Compare sender resistance/voltage to expected range while moving float (or remove sender for bench test)
Signal parameters
- Typical sender signal: approx. 0.5–4.5 V (varies by design); ‘low’ condition is near 0 V
- Some vehicles use a variable resistance sender: typical ranges ~10–240 ohms or 0–90 ohms depending on design
- Reference voltage from PCM commonly ~5 V (verify OEM spec)
- Open-circuit: no signal / infinite resistance; short-to-ground: very low resistance (< a few ohms) or 0 V
Diagnostic algorithm
- Verify DTC and read live data (fuel level PID). Note if the fuel level shows near 0% or a static low value.
- Inspect the harness and connector at the fuel tank for corrosion, bent pins, or signs of fuel/water contamination.
- With ignition ON (engine OFF), backprobe the sender connector: measure signal voltage and reference voltage. Low signal with proper reference suggests sender or short to ground.
- Move the sender float (or gently lift the tank float if accessible) while watching the signal; resistance/voltage should change smoothly. If it does not, suspect a faulty sender.
- Perform continuity and resistance checks: between sender signal pin and PCM input pin; between signal pin and chassis ground (to check for short).
- If wiring checks are good, remove the sender (follow safe fuel tank procedures) and bench-test sender resistance/voltage across its range per OEM spec; replace if out of spec.
- Repair any damaged wiring, clean/replace corroded connectors, and secure proper grounds. Reinstall and clear codes.
- After repair, confirm the fix by monitoring live data while operating fuel gauge and performing a test drive or cycling the vehicle as required to see if the code returns.
Likely causes
- Water/fuel intrusion corroded connector at fuel tank
- Sender float stuck at empty or mechanically damaged
- Wire pinched and shorted to tank or chassis ground
- Aftermarket installation damage (fuel pump/sender replacement)
- Intermittent ground due to loose chassis or tank ground strap
Fault status
Status
PCM detected a low voltage/low signal from Fuel Level Sensor A circuit (below threshold). Indicates possible short to ground, failed sender, connector/harness problem, or poor ground/reference.
Repair difficulty: Medium
Diagnostic time: 0.5-3.0 hours
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406
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