Brake Pressure Transducer Ground Circuit Short To Battery
Table of contents
C2805 MERCURY Possible Causes
- Faulty Brake Pressure Transducer
- Brake Pressure Transducer harness is open or shorted
- Brake Pressure Transducer circuit poor electrical connection
- Faulty Trailer Brake Control (TBC) Module
How do I fix code C2805 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the C2805 MERCURY code
The cost of diagnosing the C2805 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C2805 MERCURY Description
The Brake Pressure Transducer is attached to the brake master cylinder and is hardwired to the Trailer Brake Control (TBC) Module. The transducer and the master cylinder are installed new as an assembly. The TBC module supplies voltage to the transducer and ground along circuits. The voltage returned from the transducer and is used by the TBC module to determine current brake pressure. Trailer Brake Control (TBC) Module sets the OBDII code when the Brake Pressure Transducer is not to factory specifications.