Engine-Codes - Generic - P0845

P0845 - Transmission Fluid Pressure Sensor/Switch 'B' Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
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 is the P0845 code repair?

Start by checking 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.

What is the cost to diagnose the P0845 code

Labor: 1.0

The cost to diagnose the P0845 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0845 Meaning

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.

More Information

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