P0793 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0793 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0793 code.

What Does P0793 Code Mean?

OBD-II Code P0793 is defined as a Intermediate Shaft Speed Sensor "A" Circuit no Signal

The Intermediate Shaft Speed Sensor tells the Transmission Control Module (TCM) how fast the intermediate shaft of the transmission is spinning so the correct gear can be engaged. When the TCM receives an inaccurate signal from this sensor, it can't properly shift the vehicle from gear to gear as the vehicle needs to change speed and rates of acceleration. The engine control module (PCM) or TCM will set code P0793.

P0793 Symptoms

• Increased fuel consumption
• Transmission may not shift properly

Common Problems That Trigger the P0793 Code

• Intermediate shaft speed sensor failure
• Powertrain Control Module (PCM) failure
• Transmission Control Module (TCM) failure
• Wiring issue