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P0463 on Dodge Challenger

Fuel Level Sensor Circuit High Input

Factory diagnostic protocol and troubleshooting wire for fault code P0463 specifically for the Dodge Challenger (2020–2026, 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)).

Verified OEM Telemetry & Field Repair Tree
Dodge Challenger2020–2026
Dodge Challenger
Coupe3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Challenger SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
Low urgency level
Est. Repair Cost
$150 - $700 (DIY: $40 - $200)
Parts & Labor DIY
Check P0463 On Another Dodge Model:
Diagnose P0463 on Specific Challenger Model Year:

1. Symptoms of P0463 on Dodge Challenger

When the Engine Control Module (ECM/PCM) on your Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)) logs fault code P0463, drivers commonly observe:

Check Engine Light on on Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP))
Fuel gauge needle pegged past Full or stuck on Empty with 'Low Fuel' light flashing on Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP))
Inaccurate 'Miles to Empty' range calculation on dashboard on Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP))
Dodge Challenger OBD-II Port Location
The 16-pin diagnostic connector is located Under driver dash left of center stack. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Dodge Challenger

Historical warranty claims and technical repair bulletins for Dodge Challenger point to the following failure distribution:

55%
Worn or sulfur-corroded resistor track on in-tank fuel level sender (Dodge OEM Part)
25%
Open circuit / broken signal wire between fuel tank sender and instrument cluster / BCM (Dodge OEM Part)
12%
Loose float arm inside fuel tank (Dodge OEM Part)
8%
Faulty instrument cluster fuel gauge (Dodge OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Dodge Challenger.

3. Step-by-Step DIY Repair Guide for Dodge Challenger

01
Try Fuel System Cleaner with Sulfur Remover

Pour a bottle of fuel system cleaner containing PEA (e.g. Chevron Techron or SeaFoam) into the tank to clean sulfur varnish off sender contacts. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: Fuel System Cleaner
02
Inspect Wiring at Fuel Tank Connector

Check for broken wires or corroded plug at top of fuel tank. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: Flashlight, Multimeter
03
Measure Fuel Sender Resistance

Measure resistance across fuel level sender pins (spec typically 40 ohms empty to 250 ohms full on GM/Ford). An infinite/open reading confirms a bad sender. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: Digital Multimeter
04
Replace Fuel Level Sender / Pump Assembly

Access fuel pump module, unclip old level sensor rheostat, clip on new OEM sensor with float arm, reinstall module. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: Lock Ring Tool, Socket Set
05
Clear Trouble Codes & Verify Gauge

Clear DTCs and confirm fuel gauge needle matches actual fuel level. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Dodge Challenger (P0463)

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Direct-Fit Replacement Part

Dodge Challenger OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Dodge Challenger.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
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Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for Dodge ChallengerVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Dodge Challenger

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Dodge Challenger:

4. Dodge Challenger P0463 FAQs

What causes code P0463 to trigger on a Dodge Challenger?

On the Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)), P0463 is most frequently caused by Worn or sulfur-corroded resistor track on in-tank fuel level sender or Open circuit / broken signal wire between fuel tank sender and instrument cluster / BCM.

Where is the OBD-II port located on my Dodge Challenger?

On the Dodge Challenger, the 16-pin DLC diagnostic connector is located Under driver dash left of center stack. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Dodge Challenger with code P0463?

Yes. Engine runs normally, but fuel gauge will be inaccurate or pegged at EMPTY / FULL. Given that P0463 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.