Powertrain
generic / SAE
P0791
Intermediate Shaft Speed Sensor A Circuit
The TCM detects an electrical fault on the intermediate shaft speed sensor A circuit. Used to compute shift slip and torque converter behavior.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 91
Possible causes
- Speed sensor failed high
- Wiring open or shorted 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: medium
- DIY: possible
- Estimated cost: 150–600 €
- Estimated time: 0.5–3 h
- Component: intermediate shaft speed sensor
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012