U0102 on Tesla Model Y
Factory diagnostic protocol and troubleshooting wire for fault code U0102 specifically for the Tesla Model Y (2020–2026, Dual Motor AWD Long Range / Performance (0-60 in 3.5s)).
1. Symptoms of U0102 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 U0102, 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
Inspect ATC / 4WD fuses with test light. on the Tesla Model Y equipped with Dual Motor AWD Long Range / Performance (0-60 in 3.5s).
Check module under driver dash or seat for water intrusion. on the Tesla Model Y equipped with Dual Motor AWD Long Range / Performance (0-60 in 3.5s).
Verify 2.5V CAN signals reach the module. on the Tesla Model Y equipped with Dual Motor AWD Long Range / Performance (0-60 in 3.5s).
Install replacement module and clear trouble codes. on the Tesla Model Y equipped with Dual Motor AWD Long Range / Performance (0-60 in 3.5s).
Equipment for Diagnosing Tesla Model Y (U0102)
Tesla Model Y OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Tesla Model Y.
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 U0102 FAQs
What causes code U0102 to trigger on a Tesla Model Y?
On the Tesla Model Y (Dual Motor AWD Long Range / Performance (0-60 in 3.5s)), U0102 is most frequently caused by Corroded TCCM power/ground wiring under vehicle or Blown 4WD / TCCM fuse in engine fuse panel.
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 U0102?
Yes, in 2WD. 4WD and Auto 4x4 functions will be inoperative. Given that U0102 carries a Medium severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.

