P0457 on Tesla Model X
Factory diagnostic protocol and troubleshooting wire for fault code P0457 specifically for the Tesla Model X (2020–2026, Dual Motor AWD / Tri-Motor Plaid (1,020 HP Falcon Wing Doors)).
1. Symptoms of P0457 on Tesla Model X
When the Engine Control Module (ECM/PCM) on your Tesla Model X (Dual Motor AWD / Tri-Motor Plaid (1,020 HP Falcon Wing Doors)) logs fault code P0457, drivers commonly observe:
2. Most Likely Causes on Tesla Model X
Historical warranty claims and technical repair bulletins for Tesla Model X point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Tesla Model X
Unscrew gas cap, inspect rubber seal for cracks, reinstall and turn until it clicks firmly 3 times. on the Tesla Model X equipped with Dual Motor AWD / Tri-Motor Plaid (1,020 HP Falcon Wing Doors).
Check the metal filler neck lip for rust, grit, or dings preventing a tight seal. on the Tesla Model X equipped with Dual Motor AWD / Tri-Motor Plaid (1,020 HP Falcon Wing Doors).
If rubber gasket is flattened or hardened, buy a factory OEM gas cap. on the Tesla Model X equipped with Dual Motor AWD / Tri-Motor Plaid (1,020 HP Falcon Wing Doors).
Clear DTCs with scanner, or drive vehicle for 3–5 days until the PCM runs an overnight EVAP vacuum decay test and turns off the light automatically. on the Tesla Model X equipped with Dual Motor AWD / Tri-Motor Plaid (1,020 HP Falcon Wing Doors).
Equipment for Diagnosing Tesla Model X (P0457)
OEM Tethered Fuel Gas Cap with O-Ring
Tight-sealing factory fuel cap resolves common EVAP small/large leak codes without workshop visits.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Tesla Model X
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Tesla Model X:
4. Tesla Model X P0457 FAQs
What causes code P0457 to trigger on a Tesla Model X?
On the Tesla Model X (Dual Motor AWD / Tri-Motor Plaid (1,020 HP Falcon Wing Doors)), P0457 is most frequently caused by Loose, unclicked, or forgotten gas cap or Cracked, dried out, or missing rubber O-ring gasket on fuel cap.
Where is the OBD-II port located on my Tesla Model X?
On the Tesla Model X, the 16-pin DLC diagnostic connector is located Driver side lower instrument panel trim. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Tesla Model X with code P0457?
Yes. Safe to drive indefinitely, but fuel vapors escape into the atmosphere. Given that P0457 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.

