OBD Guide

P0794

Intermediate Shaft Speed Sensor A Circuit Intermittent

P0794 is an OBD-II diagnostic trouble code meaning: Intermediate Shaft Speed Sensor A Circuit Intermittent. Common causes: intermediate shaft speed sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • The gearbox goes into emergency mode
  • Check Engine light comes on
  • Jerks when shifting gears
  • Reduced vehicle dynamics

Causes

  • Intermediate shaft speed sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Mechanical damage to the sensor
  • Sensor contamination with metal shavings

How to Fix

  1. Check the condition of the intermediate shaft speed sensor
  2. Check the integrity of wiring and connectors
  3. Clean sensor connector contacts
  4. Replace sensor if necessary
  5. Check the operation of the gearbox after repair

Related codes

Error P0794 by Vehicle Brand

FAQ

What does the P0794 code mean?

P0794 is an OBD-II diagnostic trouble code that indicates: Intermediate Shaft Speed Sensor A Circuit Intermittent

What causes a P0794 error code?

The most common causes of P0794 include: Intermediate shaft speed sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Mechanical damage to the sensor.

How do I fix a P0794 diagnostic trouble code?

To fix P0794: Check the condition of the intermediate shaft speed sensor. Check the integrity of wiring and connectors. Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0794?

Limited driving only, diagnose soon

How much does it cost to fix P0794?

The estimated repair cost for P0794 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat