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.
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.
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.
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