DTC P0842 Acura
Short in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck ON
Short in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck ON
Description
The input signal from the 2nd clutch transmission fluid pressure switch to the PCM is low when driving in 1st gear, 3rd gear, or 5th gear. The execution time is continuous and the duration time is 2 seconds or more. NOTE: This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
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
OP2SW wire for an intermittent short to ground between the 2nd clutch transmission fluid pressure switch and the PCM
Short in the wire between PCM connector terminal and the 2nd clutch transmission fluid pressure switch
PCM may need to be updated with the latest software
Video Guide
Diagnostic Info
- DTC Code: P0842
- Brand: Acura