Powertrain
generic / SAE
P0794
Intermediate Shaft Speed Sensor A Circuit Intermittent
Intermediate shaft speed sensor A signal jumps or drops out — vibration, loose connector or oil mist on the sensor tip.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 94
Possible causes
- Loose connector high
- Connector with intermittent contact under vibration low
- Harness routed against vibrating component low
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–800 €
- Estimated time: 0.6–2.5 h
- Component: intermediate shaft speed sensor a
- Component: sensor wiring
- MIL / check engine light
Sources
References
sae:J2012