P0793
Intermediate Shaft Speed Sensor A Circuit No Signal
P0793 is an OBD-II diagnostic trouble code meaning: Intermediate Shaft Speed Sensor A Circuit No Signal. Common causes: intermediate shaft speed sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Automatic transmission emergency mode (switching only to 2nd or 3rd gear)
- Hard gear shifts
- Floating engine speed
- Check Engine light comes on
- Loss of power during acceleration
Causes
- Intermediate shaft speed sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- TCM module malfunction
- Mechanical problems in the gearbox (gear wear)
How to Fix
- Check the integrity of the wiring to the sensor
- Check the sensor resistance (compare with the nominal value)
- Clean sensor connector contacts
- If necessary, replace the intermediate shaft speed sensor
- Scan TCM memory for additional codes
Related codes
Error P0793 by Vehicle Brand
FAQ
What does the P0793 code mean?
P0793 is an OBD-II diagnostic trouble code that indicates: Intermediate Shaft Speed Sensor A Circuit No Signal
What causes a P0793 error code?
The most common causes of P0793 include: Intermediate shaft speed sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; TCM module malfunction.
How do I fix a P0793 diagnostic trouble code?
To fix P0793: Check the integrity of the wiring to the sensor. Check the sensor resistance (compare with the nominal value). Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0793?
Limited driving only, diagnose soon
How much does it cost to fix P0793?
The estimated repair cost for P0793 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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