DTC P0843 Acura
Open in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck OFF
Open in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck OFF
Description
The input signal from the 2nd clutch transmission fluid pressure switch to the PCM is high when driving in 2nd 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 2nd clutch transmission fluid pressure switch
Poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM.
Open circuit between PCM connector terminal and the 2nd clutch transmission fluid pressure switch
PCM needs to be updated with the latest software
Video Guide
Diagnostic Info
- DTC Code: P0843
- Brand: Acura