U0142 on 2019 Tesla Model S
Technical troubleshooting wire for fault code U0142 specifically tailored for the 2019 Tesla Model S. Includes wiring sensor pinouts, freeze frame PID parameters, and step-by-step diagnostic tree.
Common 2019 Model S Symptoms
- Lighting or power seat glitches
- Warning chime
Likely Root Causes on 2019 Model S
- CAN bus communication break
- Blown BCM fuse
- Faulty BCM module
Step-by-Step Fix Protocol for 2019 Tesla Model S
Connect an OBD-II scanner to the DLC port under the driver dashboard. Record engine RPM, Short Term / Long Term Fuel Trim (STFT/LTFT), and engine coolant temperature at the moment U0142 set.
Inspect the sensor connector on the 2019 Model S engine bay. Use a multimeter to verify reference voltage (5.0V / 12.0V) and ground continuity.
Replace the verified defective component using OEM or equivalent grade parts. Clear DTC U0142 and complete an EPA drive cycle to verify readiness monitors set to READY.
Equipment for Diagnosing 2019 Tesla Model S (U0142)
2019 Tesla Model S OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for 2019 Tesla Model S.
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.