Powertrain
generic / SAE
P0793
Intermediate Shaft Speed Sensor A Circuit No Signal
Intermediate shaft speed sensor A is connected and powered, but no rotation pulses arrive while the transmission is in motion. Either the sensor reluctor wheel is damaged, the sensor air gap is wrong, or the element has failed open.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 93
Possible causes
- Failed sensor element (open) high
- Damaged reluctor wheel medium
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: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 0.6–5 h
- Component: intermediate shaft speed sensor a
- Component: reluctor wheel
- MIL / check engine light
Sources
References
sae:J2012