DTC P0873 Acura

Open in 4th Clutch Transmission Fluid Pressure Switch Circuit, or 4th Clutch Transmission Fluid Pressure Switch Stuck OFF

Open in 4th Clutch Transmission Fluid Pressure Switch Circuit, or 4th Clutch Transmission Fluid Pressure Switch Stuck OFF

Description

The input signal from the 4th clutch transmission fluid pressure switch to the PCM is high when driving in 4th gear. The execution time is continuous and the duration time is 2 seconds or more. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause and Solution

Faulty 4th clutch transmission fluid pressure switch
Poor connections and loose terminals at the 4th clutch transmission fluid pressure switch and the PCM
Open in the wire between PCM connector terminal and the 4th clutch transmission fluid pressure switch
PCM may need to be updated with the latest software

Video Guide

Duration: PT4M22S | Uploaded: 2020-04-18

Diagnostic Info

  • DTC Code: P0873
  • Brand: Acura
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