Transmission Fluid Pressure Sensor/Switch ‘B’ Circuit
Table of contents
P0845 Possible Causes
- Faulty Transmission Fluid Pressure Sensor ‘B’
- Transmission Fluid Pressure Sensor ‘B’ harness is open or shorted
- Transmission Fluid Pressure Sensor ‘B’ poor electrical connection
- Transmission Valve Body
How do I fix code P0845?
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 P0845 code
The cost of diagnosing the P0845 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
- Engine Light ON (or Service Engine Soon Warning Light)
P0845 Description
DTC P0845 will set if an error occurs in 2-4 pressure switch. TCM momentarily turns on element pressure to 2-4 clutch circuit to identify that pressure switch closes. If switch does not close after first test, switch is tested again. If switch does not close on second test, DTC will set. MIL illuminates and transmission system defaults to limp-in mode.