Exact oil/fluid capacities, torque, pressure or pin values are shown only when verified in an OEM source for the matching model year, engine and market.
Technical identity summary
Source variant count: 1 · Status: CURRENT
This page does not treat the same sales name as one vehicle across all years and markets. Rows below remain separated by source region and variant identity.
Model 3 · United States and Canada
Record
VR-001178
Period
2017– • Current sale / production
Platform / generation
Tesla compact
Powertrain / energy / driveline
D sedan BEV • RWD/AWD/Performance
Research focus
verify platform/generation, powertrain/energy/driveline and market-specific application identity against manufacturer/source records before applying parts, service procedures or chronic-fault claims.
BEVAWD_4WD|RWD
Where should diagnosis start?
Check charging, HV isolation, 12 V supply, thermal management and software state as separate evidence chains.
For AWD/4x4 variants, verify transfer/differential, tire circumference and torque distribution control separately.
Exact OEM torque, pressure, capacity, pin or calibration values are not inferred from this normalized identity record; a verified service source is required for the exact vehicle application.
TECHNICAL SOURCE LINEAGE
Recorded application matrix and evidence boundary
Record
Region
Period
Platform
Powertrain record
Evidence
VR-001178
United States and Canada
2017–
Tesla compact
D sedan BEV • RWD/AWD/Performance
D · source-lineage identity; not OEM service evidence
Grade-D records are not OEM service procedures; they are source-lineage research rows preserving market/generation/powertrain identity. Exact torque, pinout, pressure or fitment is not inferred from this layer.
System architecture: what does this record indicate?
In an EV, HV battery/BMS, contactor-HVIL/isolation, inverter-motor, OBC/DC-DC, 12 V and cooling circuits are separate evidence branches.
In AWD/4x4, tire circumference, transfer/differential, wheel speeds and torque-distribution request are kept as separate mechanical/electronic evidence.
Freeze-frame and live-data package
Freeze frame: first/last fault time, RPM, load, vehicle speed, system voltage, core temperatures and companion DTCs.
Electrified layer: SOC/SOH where available, cell delta, pack temperatures, HVIL/isolation, contactor permission, DC-DC output and 12 V voltage.
Chassis/traction: four wheel speeds, steering angle, yaw/acceleration and AWD torque request/feedback on the same time base.
Measurement sequence
1) Match vehicle/generation/market/powertrain/driveline identity to the source record; family name alone is not fitment evidence.
2) Preserve freeze frame and companion DTCs before clearing; make the first-fault condition reproducible.
3) Verify power/ground and network communication under load; do not decide from key-on static measurement alone.
6) After repair, recreate the same load/temperature and verify DTC state, live-data deviation and user symptom together.
Root-cause discrimination matrix
For READY/charging faults, separate 12 V supply from the HV permission chain first; low 12 V can mimic contactor/HVIL/isolation faults.
For battery performance, use cell delta, temperature spread and voltage deviation under load/charge instead of one SoH percentage alone.
For AWD binding/warning complaints, exclude tire-circumference or wheel-speed mismatch before condemning transfer/differential hardware.
OEM EVIDENCE DOSSIER
Verified technical facts and application boundary
Tesla Model 3 owner/service documentation treats the high-voltage battery as a distinct service system and the primary traction-energy source.[S1]
Model 3 propulsion includes high-voltage battery, inverter/drive-unit and electric-motor layers.[S1][S2]
Tesla service documentation treats HV-battery work as a separate isolation/safety/service procedure.[S2]
Verified application matches
The matches below are published only within the stated market, model-year and evidence scope. Fitment is not extrapolated to uncited variants.
Evidence scope: Tesla owner/service documentation; pack/drive-unit variant must be VIN verified
System architecture and component relationships
Split diagnosis into 12 V supply, HV battery/BMS, contactor-precharge, inverter, traction motor, thermal management and charging layers.
Capture pack SOC/temperature, cell min-max voltage spread, pack current/voltage, inverter/motor temperature and torque request/actual in the same event window.
For charging complaints separate AC/DC input state, charge-port lock, HV isolation, thermal limitation and the BMS charge-power limit.
DTC / SPN-FMI / symptom discrimination map
For an HV warning separate 12 V startup condition, contactor/precharge and isolation sequence; do not condemn the battery from one HV DTC.
For power limitation compare SOC, cell temperature, inverter/motor temperature and BMS torque/power limits simultaneously.
For charging faults separate vehicle-side port/charger/BMS states from station/cable-side events.
Measurement and diagnostic strategy
Before clearing HV DTCs record pack voltage/current, SOC, cell min-max, pack/inverter/motor temperature and isolation/precharge state.
Verify 12 V supply independently; HV work requires authorized isolation and appropriately rated equipment.
After repair repeat the same power or charge request at comparable SOC/temperature and verify the BMS limitation is removed.
Exact pinouts, torque values, pressure thresholds or service limits are published only when explicitly verified by the applicable OEM service source.
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