All codes/P0794

P0794

Intermediate Shaft Speed Sensor A Circuit Intermittent

High severity

Intermediate shaft speed sensor A signal jumps or drops out — vibration, loose connector or oil mist on the sensor tip.

Common causes

Loose connector
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $220-880
Connector with intermittent contact under vibration
Less common, but worth ruling out after the more likely causes.
low
Typical part cost: $220-880
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First things to check

1Confirm the code with a scan tool and check for additional related codes.
2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P0794 mean?

P0794 means "Intermediate Shaft Speed Sensor A Circuit Intermittent". It is a generic OBD-II code that points to a fault in the transmission.

What are the most common causes of P0794?

loose connector; connector with intermittent contact under vibration; harness routed against vibrating component — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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