MazicBay Diagnostics
MAZICBAYDiagnostics
FTC Reader Disclosure: When you purchase or register through links on our site, we may earn an affiliate commission at no extra cost to you. Read our Editorial & Advertising Policy.

P0463 on Chrysler Pacifica Hybrid

Fuel Level Sensor Circuit High Input

Factory diagnostic protocol and troubleshooting wire for fault code P0463 specifically for the Chrysler Pacifica Hybrid (2020–2026, 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)).

Verified OEM Telemetry & Field Repair Tree
Chrysler Pacifica Hybrid2020–2026
Chrysler Pacifica Hybrid
Van3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Pacifica Hybrid 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 Chrysler Model:
Diagnose P0463 on Specific Pacifica Hybrid Model Year:

1. Symptoms of P0463 on Chrysler Pacifica Hybrid

When the Engine Control Module (ECM/PCM) on your Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)) logs fault code P0463, drivers commonly observe:

Check Engine Light on on Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV))
Fuel gauge needle pegged past Full or stuck on Empty with 'Low Fuel' light flashing on Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV))
Inaccurate 'Miles to Empty' range calculation on dashboard on Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV))
Chrysler Pacifica Hybrid OBD-II Port Location
The 16-pin diagnostic connector is located Under driver side dashboard above foot pedal assembly. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Chrysler Pacifica Hybrid

Historical warranty claims and technical repair bulletins for Chrysler Pacifica Hybrid point to the following failure distribution:

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

3. Step-by-Step DIY Repair Guide for Chrysler Pacifica Hybrid

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 Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).

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 Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).

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 Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).

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 Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).

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 Chrysler Pacifica Hybrid equipped with 3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV).

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

Equipment for Diagnosing Chrysler Pacifica Hybrid (P0463)

Prime Fast Delivery & Verified Fitment
Direct-Fit Replacement Part

Chrysler Pacifica Hybrid OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Chrysler Pacifica Hybrid.

$45 – $95 Prime
Check Fitment on Amazon
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
View on Amazon
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 Chrysler Pacifica HybridVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
Find Parts on Amazon
* As an Amazon Associate, MazicBay earns from qualifying purchases. Prices & availability subject to change.

Other Common Fault Codes on Chrysler Pacifica Hybrid

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chrysler Pacifica Hybrid:

4. Chrysler Pacifica Hybrid P0463 FAQs

What causes code P0463 to trigger on a Chrysler Pacifica Hybrid?

On the Chrysler Pacifica Hybrid (3.6L Atkinson-Cycle V6 + Dual Electric Motors (260 HP PHEV / 32-Mile EV)), 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 Chrysler Pacifica Hybrid?

On the Chrysler Pacifica Hybrid, the 16-pin DLC diagnostic connector is located Under driver side dashboard above foot pedal assembly. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Chrysler Pacifica Hybrid 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.