P0457 on Tesla Model Y
Factory diagnostic protocol and troubleshooting wire for fault code P0457 specifically for the Tesla Model Y (2020–2026, Dual Motor AWD Long Range / Performance (0-60 in 3.5s)).
1. Symptoms of P0457 on Tesla Model Y
When the Engine Control Module (ECM/PCM) on your Tesla Model Y (Dual Motor AWD Long Range / Performance (0-60 in 3.5s)) logs fault code P0457, drivers commonly observe:
2. Most Likely Causes on Tesla Model Y
Historical warranty claims and technical repair bulletins for Tesla Model Y point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Tesla Model Y
Unscrew gas cap, inspect rubber seal for cracks, reinstall and turn until it clicks firmly 3 times. on the Tesla Model Y equipped with Dual Motor AWD Long Range / Performance (0-60 in 3.5s).
Check the metal filler neck lip for rust, grit, or dings preventing a tight seal. on the Tesla Model Y equipped with Dual Motor AWD Long Range / Performance (0-60 in 3.5s).
If rubber gasket is flattened or hardened, buy a factory OEM gas cap. on the Tesla Model Y equipped with Dual Motor AWD Long Range / Performance (0-60 in 3.5s).
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 Y equipped with Dual Motor AWD Long Range / Performance (0-60 in 3.5s).
Equipment for Diagnosing Tesla Model Y (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 Y
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Tesla Model Y:
4. Tesla Model Y P0457 FAQs
What causes code P0457 to trigger on a Tesla Model Y?
On the Tesla Model Y (Dual Motor AWD Long Range / Performance (0-60 in 3.5s)), 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 Y?
On the Tesla Model Y, the 16-pin DLC diagnostic connector is located Beneath steering wheel lower cover 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 Tesla Model Y 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.