C1246 Toyota Prius

C1246 Master Cylinder Pressure Sensor Discussion in ' Gen 3 Prius Main Forum ' started by Dilan Gero, Oct 25, 2016. The OBD code C1246 for Toyota indicates a fault in the Skid Control ECU or Brake Actuator system. Symptoms include the ABS warning light and engine light being illuminated.

This issue can be caused by a faulty ECU or actuator, wiring harness issues, or poor electrical connections. It is a serious problem that requires immediate attention. To fix it, inspect the wiring harness, connectors, and.

Repair Information for C1246 Toyota code. Learn what Master Cylinder Pressure Sensor Malfunction means, location and how to repair. In this video we show you how to remove c1246 Master Cylinder Pressure Sensor fault code.And how to perform ECB or Brake Accutator Fluid Replacement process.

The material contained in the forums is submitted by the general public and is NOT endorsed by Toyota Owners Club, ACI LTD, Toyota UK or Toyota Motor Corporation. The C1246 Toyota code refers to a malfunction in the master cylinder pressure sensor in the vehicle's braking system. The master cylinder pressure sensor is responsible for monitoring the hydraulic pressure in the brake system and sending signals to the vehicle's electronic control unit (ECU).

Code c1246 on my 2015 Prius c. 120000 also the vehicle was towed just before the code. I have some mechanical ability.

DTC C1246 Discussion in ' Generation 1 Prius Discussion ' started by DuaneLee, Oct 23, 2012. Make: Toyota Code: C1246/46 Definition: Master Cylinder Pressure Sensor Malfunction Description: When any of the following conditions is detected: 1. All of the following conditions continue for at least 30 seconds.

The vehicle speed is more than 7 km/h (4 mph). The PM/C1 terminal voltage exceeds 0.86 V. C1246 fault code indicates an issue with the brake pressure sensor circuit.

Check wiring and sensor for faults, repair or replace as needed. Steps to fix are listed inside.